Product Description
Product Description
Dry couplings are the smart choice for the transportation of hazardous fluids.Compared with traditional couplings, it greatly improves the connection speed: during the unloading process, the built-in valve of the coupling is closed in advance, avoiding the liquid leakage or volatilization to the surrounding environment, reducing the chance of the operator coming into contact with the toxic medium, and safeguarding the safety of the personnel. The female end of the connection with the pipeline has an integrated swivel function, which reduces the fatigue damage of the pipeline.
Advantages:
√ Easy handling through high transmission ratio
√ Self-locking when fully connected
√ Integrated swivel joint
√ Lightweight
√ Minimal maintenance
√ Field-oriented function principles
√ Approval in accordance to WHG (DIBT-Approval is incl.)
√ Approval in accordance to ATEX Zone 1
Application:
– For fast and secure fluid transfer like lye and acids, fuels and oils, seawater, tap water, waste water, gas, superheated steam, compresses air, LPG, sludge, foodstuffs, pharmaceutical products between pipes, hoses, tanks and equipment.
– Widely used in power station construction, chemical and pharmaceutical industry, oil industry, offshore drilling, shipbuidling, loading/unloading(aircraft, tank trucks, filling stations, ships), tank cleaning, and food beverage industry.
Product Parameters
Dry Coupling Parameters:
| Product name | Dry Quick Break Coupling |
| Customized support | OEM, ODM |
| Place of Origin | ZheJiang , China |
| Technics | Casting |
| Materials | Stainless steel / Brass / AL, More Customized |
| Connection | Male and Female |
| Size | 3/4″-2″ |
→ Click to View More Hoses and Other Fittings.
Cooperation
RUNXI’s products are exported to more than 30 countries, such as Iran, Russia, USA, The UK, DAE, Korea, Vietnam, Iraq, Singapore, Indonesia, Azerbaijan and Japan,and some African countries, etc. We have obtained high praise from clients domestic and abroad due to the excellent quality and competitive price.
At RUNXI & JIAYAO Company, emphasis is placed on human resource development as we believe in the Group’s philosophy “Organization Development through Self Development”. We have competent professionally qualified and experienced staff in each of our functions. The Company assists & encourages its employees for their professional qualifications and also invests in developing staff through in-house, out-sourced and international training.
Company Profile
JIAYAO CO., LTD.(For manufacturing) & HangZhou RUNXI INTERNATIONAL TRADE CO., LTD. (For export) are located in Yuying Street, Guangchuan Town, Jing County, HangZhou City, ZheJiang Province, China. we are a technology-based enterprise which is specialized in the area of R&D, marketing of multiply rubber products, rubber hose production line and telecommunication towers.
Our company specializes in Telecom towers, High pressure hoses, Hydraulic hoses, SAE & DIN series hoses, Drilling Rotary hose, Choke & Kill Line, Bop hoses, Suction and Discharge hose, Fabric hoses, Metal Flexible hose, Fireproof hose, Silicone hose, Hose Assembly, and Hose Production Line, etc.
Packaging & Shipping
Certifications
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white wearable woven bags. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 20 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Contribution of Fluid Coupling to the Longevity of Connected Equipment
A fluid coupling plays a crucial role in enhancing the longevity and protecting the connected equipment by providing the following benefits:
- Shock Load Damping: When the equipment starts or stops, there can be sudden changes in torque, resulting in shock loads. The fluid coupling absorbs and dampens these shock loads, reducing stress and wear on the connected equipment.
- Torsional Vibration Damping: Torsional vibrations can occur during the operation of the connected equipment, which can be damaging over time. The fluid coupling acts as a torsional damper, reducing these vibrations and preventing potential fatigue failure in the equipment.
- Overload Protection: In case of sudden overloads or jamming of the connected equipment, the fluid coupling can slip and decouple the load, protecting both the equipment and the driving motor from excessive stress and damage.
- Smooth Startup: During startup, the fluid coupling allows a gradual increase in torque, enabling a smooth and controlled acceleration of the connected equipment. This eliminates sudden jerks and reduces mechanical stress during the startup phase.
- Load Distribution: The fluid coupling distributes the load evenly across the connected equipment, minimizing wear and tear on specific components and extending the overall lifespan of the machinery.
- Reduced Maintenance: By reducing shock loads and vibrations, the fluid coupling helps decrease the frequency of maintenance and repairs required for the connected equipment, resulting in cost savings and improved uptime.
- Energy Efficiency: The fluid coupling allows for efficient power transmission by reducing losses during startup and load changes. This, in turn, helps in lowering the overall energy consumption of the system and contributes to equipment longevity.
- Contamination Prevention: The fluid coupling encapsulates the driving and driven components, providing a barrier that helps prevent contaminants such as dust, dirt, and moisture from entering the equipment’s internal components. This protection can extend the life of bearings and other sensitive parts.
Overall, a fluid coupling acts as a protective intermediary between the driving motor and the connected equipment, enhancing the system’s reliability, efficiency, and longevity by mitigating the effects of shocks, vibrations, and overloads.
Role of Fluid Coupling in Torque Multiplication and Power Transfer
A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It operates on the principles of fluid dynamics and hydrokinetics to enable torque multiplication and efficient power transfer. Here’s how a fluid coupling achieves these functions:
- Hydrodynamic Torque Converter: A fluid coupling is essentially a hydrodynamic torque converter. When the input shaft (driving shaft) rotates, it sets the transmission fluid inside the coupling in motion. The fluid experiences centrifugal forces, creating a high-velocity zone near the outer circumference and a low-velocity zone near the center. This velocity difference generates torque in the fluid coupling, allowing power to be transmitted from the input shaft to the output shaft (driven shaft).
- Torque Multiplication: One of the primary advantages of a fluid coupling is its ability to provide torque multiplication. During startup or when the load on the driven shaft is initially low, the fluid coupling slips to some extent, which allows the input shaft to rotate at a higher speed than the output shaft. This speed difference results in torque multiplication, enabling the fluid coupling to handle higher loads during acceleration or heavy starting conditions.
- Power Transfer Efficiency: Fluid couplings offer high power transfer efficiency due to the hydrodynamic nature of their operation. The smooth and continuous transmission of power through the fluid medium minimizes energy losses and mechanical wear, leading to more efficient power transmission compared to mechanical clutches or direct-coupling methods.
- Load Adaptability: Fluid couplings automatically adjust their slip to adapt to changing load conditions. When the load on the output shaft increases, the fluid coupling slips more, allowing the output shaft to slow down slightly and match the load demand. This load adaptability ensures smooth and stable power transfer even under varying operating conditions.
Fluid couplings are commonly used in applications where torque multiplication and smooth power transfer are essential. They find widespread use in heavy machinery, mining equipment, conveyors, crushers, marine propulsion systems, and many other industrial applications. By efficiently transferring power while providing torque multiplication, fluid couplings help optimize the performance and longevity of power transmission systems.
Proper selection of the fluid coupling based on the application’s torque and power requirements is crucial to ensure optimal torque multiplication and power transfer. Additionally, regular maintenance and monitoring of the fluid coupling’s condition are essential to maintain its efficiency and reliability over time.
Principle of Hydrodynamic Fluid Coupling
A hydrodynamic fluid coupling operates on the principle of hydrokinetics, utilizing hydraulic fluid to transmit power between an engine or prime mover and a driven load. The key components of a fluid coupling are the impeller, the turbine, and the housing filled with hydraulic fluid.
Here’s how the principle works:
- Impeller: The impeller is connected to the engine’s crankshaft and is responsible for driving the hydraulic fluid. As the impeller rotates, it creates a flow of fluid within the housing.
- Fluid Flow: The rotational motion of the impeller causes the fluid to move radially outward, towards the housing walls. This generates a high-velocity fluid flow in the housing.
- Turbine: The turbine is connected to the driven load, such as a transmission or machinery input shaft. As the fluid flows onto the blades of the turbine, it causes the turbine to rotate.
- Power Transmission: The kinetic energy of the high-velocity fluid is transferred to the turbine, resulting in the rotation of the driven load. The power transmission is achieved purely through the hydrodynamic effect of the fluid flow.
- Slip: In a fluid coupling, there is always a slight difference in speed (slip) between the impeller and the turbine. This slip is necessary to allow the fluid to accelerate from rest to the speed of the turbine. As a result, the output speed of the driven load is always slightly less than the input speed from the engine.
Hydrodynamic fluid couplings provide several advantages, such as smooth power transmission, overload protection, and torsional vibration dampening. However, they do not provide torque multiplication like torque converters do, making them more suitable for applications where precise speed matching is required.
editor by CX 2024-05-17
China best Safety Fluid Transfer Hose Pipe Fittings Dry Break Quick Release Coupling
Product Description
Product Description
Dry couplings are the smart choice for the transportation of hazardous fluids.Compared with traditional couplings, it greatly improves the connection speed: during the unloading process, the built-in valve of the coupling is closed in advance, avoiding the liquid leakage or volatilization to the surrounding environment, reducing the chance of the operator coming into contact with the toxic medium, and safeguarding the safety of the personnel. The female end of the connection with the pipeline has an integrated swivel function, which reduces the fatigue damage of the pipeline.
Advantages:
√ Easy handling through high transmission ratio
√ Self-locking when fully connected
√ Integrated swivel joint
√ Lightweight
√ Minimal maintenance
√ Field-oriented function principles
√ Approval in accordance to WHG (DIBT-Approval is incl.)
√ Approval in accordance to ATEX Zone 1
Application:
– For fast and secure fluid transfer like lye and acids, fuels and oils, seawater, tap water, waste water, gas, superheated steam, compresses air, LPG, sludge, foodstuffs, pharmaceutical products between pipes, hoses, tanks and equipment.
– Widely used in power station construction, chemical and pharmaceutical industry, oil industry, offshore drilling, shipbuidling, loading/unloading(aircraft, tank trucks, filling stations, ships), tank cleaning, and food beverage industry.
Product Parameters
Dry Coupling Parameters:
| Product name | Dry Quick Break Coupling |
| Customized support | OEM, ODM |
| Place of Origin | ZheJiang , China |
| Technics | Casting |
| Materials | Stainless steel / Brass / AL, More Customized |
| Connection | Male and Female |
| Size | 3/4″-2″ |
→ Click to View More Hoses and Other Fittings.
Cooperation
RUNXI’s products are exported to more than 30 countries, such as Iran, Russia, USA, The UK, DAE, Korea, Vietnam, Iraq, Singapore, Indonesia, Azerbaijan and Japan,and some African countries, etc. We have obtained high praise from clients domestic and abroad due to the excellent quality and competitive price.
At RUNXI & JIAYAO Company, emphasis is placed on human resource development as we believe in the Group’s philosophy “Organization Development through Self Development”. We have competent professionally qualified and experienced staff in each of our functions. The Company assists & encourages its employees for their professional qualifications and also invests in developing staff through in-house, out-sourced and international training.
Company Profile
JIAYAO CO., LTD.(For manufacturing) & HangZhou RUNXI INTERNATIONAL TRADE CO., LTD. (For export) are located in Yuying Street, Guangchuan Town, Jing County, HangZhou City, ZheJiang Province, China. we are a technology-based enterprise which is specialized in the area of R&D, marketing of multiply rubber products, rubber hose production line and telecommunication towers.
Our company specializes in Telecom towers, High pressure hoses, Hydraulic hoses, SAE & DIN series hoses, Drilling Rotary hose, Choke & Kill Line, Bop hoses, Suction and Discharge hose, Fabric hoses, Metal Flexible hose, Fireproof hose, Silicone hose, Hose Assembly, and Hose Production Line, etc.
Packaging & Shipping
Certifications
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white wearable woven bags. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 20 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Factors to Consider when Choosing between a Fluid Coupling and a VFD (Variable Frequency Drive)
When selecting between a fluid coupling and a VFD for a power transmission application, several factors should be taken into account:
- Speed Control Requirements: Consider whether variable speed control is essential for your application. VFDs are excellent for applications that require precise and flexible speed control, while fluid couplings typically offer limited speed control capabilities.
- Energy Efficiency: Evaluate the energy efficiency requirements of your system. VFDs can offer higher energy efficiency by allowing the motor to run at optimal speeds, whereas fluid couplings introduce some energy losses due to slip.
- Starting Torque: Examine the starting torque requirements of the driven load. Fluid couplings can provide high starting torque and smooth acceleration, which may be advantageous for applications with high inertia loads.
- Overload Protection: Consider the need for overload protection. Fluid couplings inherently provide some protection against shock loads by allowing slip, while VFDs may require additional protective mechanisms.
- Maintenance and Service: Evaluate the maintenance and service requirements of both systems. Fluid couplings are generally simpler and require less maintenance compared to VFDs, which involve electronic components.
- Cost: Compare the initial and long-term costs of both options. VFDs often have higher upfront costs but can provide significant energy savings in the long run, while fluid couplings may have lower initial costs but could lead to higher energy consumption.
Ultimately, the choice between a fluid coupling and a VFD depends on the specific needs of your application. Each option has its advantages and limitations, and a thorough analysis of the operating conditions and performance requirements will help determine the most suitable solution for your system.
Real-World Case Studies: Improved Performance with Fluid Couplings
Fluid couplings have been widely adopted in various industries, and numerous real-world case studies demonstrate their positive impact on performance and efficiency. Here are a few examples:
Case Study 1: Mining Conveyor System
In a large mining operation, a conveyor system used to transport heavy loads of ore experienced frequent starts and stops due to fluctuating material supply. The abrupt starting and stopping led to significant wear and tear on the conveyor components, causing frequent breakdowns and maintenance downtime.
After installing fluid couplings at critical points in the conveyor system, the soft start and stop capability of the fluid couplings significantly reduced the mechanical stress during operation. This led to a smoother material flow, reduced conveyor wear, and extended equipment life. Additionally, the fluid couplings’ overload protection feature prevented damage to the conveyor during peak loads, ensuring uninterrupted production.
Case Study 2: Marine Propulsion System
In a marine vessel equipped with traditional direct drive systems, the crew faced challenges in maneuvering the ship efficiently. The fixed propeller arrangement made it challenging to control the vessel’s speed and direction accurately, leading to increased fuel consumption and decreased maneuverability.
By retrofitting the vessel’s propulsion system with fluid couplings, the ship’s performance improved significantly. The fluid couplings allowed for flexible and smooth speed control, enabling precise maneuvering and reduced fuel consumption. The ability to adjust the load on the propeller enhanced the vessel’s overall efficiency, resulting in reduced operating costs and improved environmental sustainability.
Case Study 3: Industrial Pumping Station
In an industrial pumping station, the constant starting and stopping of the pumps caused water hammer and pressure surges within the pipeline network. The sudden hydraulic shocks led to pipe bursts, valve failures, and increased energy consumption.
After implementing fluid couplings in the pump drive systems, the pumps could be softly started and stopped. The fluid couplings’ torque control capabilities ensured a gradual increase in pump speed, eliminating water hammer and pressure surges. As a result, the pumping station’s reliability improved, maintenance costs decreased, and the energy consumption reduced due to smoother pump operations.
These case studies demonstrate the positive effects of using fluid couplings in various applications. They highlight how fluid couplings contribute to improved performance, reduced mechanical stress, enhanced control, and cost savings in industrial machinery and systems.
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Environmental Concerns Related to Fluid Coupling Operation
Fluid couplings are generally considered environmentally friendly and pose minimal direct environmental concerns during their operation. They do not contain hazardous materials or produce harmful emissions, making them a relatively safe choice for power transmission systems.
However, it is essential to consider some potential indirect environmental impacts associated with the use of fluid couplings in certain applications:
- Energy Efficiency: As discussed earlier, fluid couplings can improve energy efficiency in power transmission systems. By reducing energy wastage and optimizing torque transmission, they indirectly contribute to lower energy consumption. Energy efficiency is crucial in industries where high power consumption may have environmental implications due to increased energy demand from power plants.
- Maintenance Practices: Regular maintenance is essential to ensure optimal performance and longevity of fluid couplings. Proper maintenance reduces the risk of leaks and other potential issues that could lead to fluid spillage. Implementing sound maintenance practices can prevent environmental contamination and contribute to sustainable operations.
- Fluid Selection: The choice of fluid used in the coupling can impact the environment. While most fluid couplings use environmentally safe hydraulic fluids, it is essential to ensure that the selected fluid complies with environmental regulations and does not pose any environmental hazards if accidentally released.
- End-of-Life Disposal: At the end of their lifecycle, fluid couplings may need to be disposed of properly. The recycling or disposal of fluid couplings should follow local environmental regulations to minimize any potential environmental impact.
Overall, fluid couplings themselves are not a significant source of environmental concerns. Still, it is essential to consider their indirect impacts, such as energy efficiency, maintenance practices, fluid selection, and end-of-life disposal, to ensure responsible and environmentally conscious use.
editor by CX 2024-05-16
China OEM CHINAMFG Customized Fluid Coupling, Hydraulic Couplings
Product Description
Densen Customized Fluid Coupling, Hydraulic Couplings
| Product Name | Densen customized adjust speed fluid coupling,hydraulic flexible fluid couplings,yot fluid coupling |
| DN mm | 225~1312mm |
| Rated Torque | 2000~11950000N·m |
| Allowable speed | 1500~3000 RPM |
| Material | 35CrMo/ZG270/45# steel/Aluminum alloy |
| Application | Widely used in metallurgy, mining, engineering and other fields. |
Product show
Company Information
Equipment
Typical case of diaphragm coupling applied to variable frequency speed control equipment
JMB type coupling is applied to HangZhou Oilfield Thermal Power Plant
According to the requirements of HangZhou Electric Power Corporation, HangZhou Oilfield Thermal Power Plant should dynamically adjust the power generation according to the load of the power grid and market demand, and carry out the transformation of the frequency converter and the suction fan. The motor was originally a 1600KW, 730RPM non-frequency variable speed motor matched by HangZhou Motor Factory. The speed control mode after changing the frequency is manual control. Press the button speed to increase 10RPM or drop 10RPM. The coupling is still the original elastic decoupling coupling, and the elastic de-coupling coupling after frequency conversion is frequently damaged, which directly affects the normal power generation.
It is found through analysis that in the process of frequency conversion speed regulation, the pin of the coupling can not bear the inertia of the speed regulation process (the diameter of the fan impeller is 3.3 meters) and is cut off, which has great damage to the motor and the fan.
Later, they switched to the JMB460 double-diaphragm wheel-type coupling of our factory (patent number: ZL.99246247.9). After 1 hour of destructive experiment and more than 1 year of operation test, the equipment is running very well, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.
Other Application Case
Spare parts
Packaging & Shipping
Contact us /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Key Parameters in Designing a Fluid Coupling System
Designing a fluid coupling system requires careful consideration of various parameters to ensure optimal performance and efficiency. Here are the key parameters to take into account:
- Power Rating: Determine the power requirements of the connected equipment to select a fluid coupling with an appropriate power rating. Undersized couplings may lead to overheating and premature wear, while oversized couplings can result in energy losses.
- Input and Output Speeds: Consider the rotational speeds of the input and output shafts to ensure the fluid coupling can accommodate the desired speed range without slipping or exceeding its limitations.
- Torque Capacity: Calculate the maximum torque expected in the system and choose a fluid coupling with a torque capacity that exceeds this value to handle occasional overloads and prevent damage.
- Fluid Viscosity: The viscosity of the fluid inside the coupling affects its torque transmission capabilities. Select a fluid viscosity suitable for the application and operating conditions.
- Start-Up and Load Conditions: Analyze the start-up torque and load variations during operation. The fluid coupling should be capable of handling these conditions without excessive slip or stress on the drivetrain.
- Environmental Factors: Consider the ambient temperature, humidity, and potential exposure to contaminants. Ensure the fluid coupling’s materials and sealing mechanisms can withstand the environmental conditions.
- Size and Weight: Optimize the size and weight of the fluid coupling to minimize space requirements and facilitate installation and maintenance.
- Torsional Resonance: Evaluate torsional resonances in the system and select a fluid coupling with appropriate damping characteristics to mitigate vibrations.
- Overload Protection: Determine if overload protection features, such as slip or torque limiting, are necessary to safeguard the connected equipment from damage.
- Compatibility: Ensure the fluid coupling is compatible with the specific application, including the type of driven equipment, its mechanical characteristics, and any other interrelated components in the drivetrain.
- Operational Costs: Consider the long-term operational costs, maintenance requirements, and efficiency of the fluid coupling to optimize the overall lifecycle cost of the system.
- Safety Standards: Adhere to relevant safety standards and regulations in the design and installation of the fluid coupling system to ensure safe and reliable operation.
By carefully evaluating these parameters and selecting a fluid coupling that aligns with the specific requirements of the application, engineers can design a reliable and efficient fluid coupling system for various industrial and power transmission applications.
Role of Fluid Coupling in Torque Multiplication and Power Transfer
A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It operates on the principles of fluid dynamics and hydrokinetics to enable torque multiplication and efficient power transfer. Here’s how a fluid coupling achieves these functions:
- Hydrodynamic Torque Converter: A fluid coupling is essentially a hydrodynamic torque converter. When the input shaft (driving shaft) rotates, it sets the transmission fluid inside the coupling in motion. The fluid experiences centrifugal forces, creating a high-velocity zone near the outer circumference and a low-velocity zone near the center. This velocity difference generates torque in the fluid coupling, allowing power to be transmitted from the input shaft to the output shaft (driven shaft).
- Torque Multiplication: One of the primary advantages of a fluid coupling is its ability to provide torque multiplication. During startup or when the load on the driven shaft is initially low, the fluid coupling slips to some extent, which allows the input shaft to rotate at a higher speed than the output shaft. This speed difference results in torque multiplication, enabling the fluid coupling to handle higher loads during acceleration or heavy starting conditions.
- Power Transfer Efficiency: Fluid couplings offer high power transfer efficiency due to the hydrodynamic nature of their operation. The smooth and continuous transmission of power through the fluid medium minimizes energy losses and mechanical wear, leading to more efficient power transmission compared to mechanical clutches or direct-coupling methods.
- Load Adaptability: Fluid couplings automatically adjust their slip to adapt to changing load conditions. When the load on the output shaft increases, the fluid coupling slips more, allowing the output shaft to slow down slightly and match the load demand. This load adaptability ensures smooth and stable power transfer even under varying operating conditions.
Fluid couplings are commonly used in applications where torque multiplication and smooth power transfer are essential. They find widespread use in heavy machinery, mining equipment, conveyors, crushers, marine propulsion systems, and many other industrial applications. By efficiently transferring power while providing torque multiplication, fluid couplings help optimize the performance and longevity of power transmission systems.
Proper selection of the fluid coupling based on the application’s torque and power requirements is crucial to ensure optimal torque multiplication and power transfer. Additionally, regular maintenance and monitoring of the fluid coupling’s condition are essential to maintain its efficiency and reliability over time.
Controlling Torque and Rotational Speed with Fluid Couplings
A fluid coupling plays a crucial role in controlling torque and rotational speed in power transmission systems. The principle behind its operation allows for smooth torque transmission while offering some level of speed control:
- Torque Transmission: When power is applied to the input side (also known as the driving side) of the fluid coupling, the impeller starts to rotate and accelerates the transmission fluid inside the housing. The kinetic energy of the moving fluid creates a rotating flow pattern that transfers torque to the output side (also known as the driven side) of the coupling. This torque transfer enables the connected machinery or equipment to start smoothly without any shock loading.
- Slip: In a fluid coupling, there is always a slight difference in speed between the input and output sides due to the viscous nature of the fluid. This speed difference is known as slip. The slip allows the fluid coupling to protect the connected components from sudden torque spikes and vibrations. If the output side experiences an abrupt load increase or jam, the slip absorbs the excess torque, preventing damage to the drivetrain.
- Speed Control: While fluid couplings are not as efficient in speed control as variable-speed drives, they do offer some inherent speed control characteristics. The amount of slip in the fluid coupling affects the output speed relative to the input speed. By adjusting the fill level of the fluid coupling or using different fluid viscosities, it is possible to fine-tune the speed at which the output shaft rotates. However, it’s important to note that this speed control is limited compared to other speed control mechanisms.
Overall, fluid couplings provide a reliable and efficient means of controlling torque during power transmission. Their ability to dampen torsional vibrations and provide overload protection makes them suitable for various applications where smooth torque transfer and protection against shock loads are essential.
editor by CX 2024-05-16
China wholesaler Best Price PP Compression Fittings Plastic Fluid Quick Coupling
Product Description
Product Description
| 1 | Material | polyethylene, polyethylene/PP |
| 2 | Size | DN20-110MM |
| 3 | Working Pressure | PN10,PN16 |
| 4 | Color | Light Blue,dark blue ,black |
| 5 | Application | Irrigation and water distribution |
Related Products
Advantages
1. Easy installation: light weight
2. Quick connection: perfect sealing performance.
3. PP material is recycled and environment-friendly
4. Low flow resistance: smooth interior walls and low friction
5. High corrosion resistant: resist chemical matters and electron chemical corrosion
6. Non-toxic: no heavy metal additives, covered with dirt or contaminated by bacterium
7. Widely used : Farming irrigation, Water supply, Greenhouse, Industry, Golf courses, Swimming pools, Cable conduits,etc
Company Profile
High Mountain Pipe is dedicated to the manufacturing and sales of various kinds of plastic pipes, fittings, valves, related plumbing equipments, etc. And we can provide professional solution method for complete pipe system. The production and sales volume of leading products of PE water supply pipes and HDPE drainage pipes ranks among the highest in the industry.
The company covers an area of about 200,000 square CHINAMFG and has 6 workshops, 30 production lines, 300 workers, and 200,000 tons annual ability. It is a comprehensive enterprise integrating science, industry and trade. The industries involved are: research, production, development, manufacturing, and polymer materials of plastic pipes. All products meet the requirements of national inspection standards or enterprise inspection standards. Application
The company’s products are widely used in the construction of civilized ecological village, factory and mine construction,
small town construction, municipal engineering, urban-rural integration construction, new town construction and other fields.
Certifications
FAQ
Q1: May I get 1 sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.
Q2: Which payment is available for your company?
Re: T/T, L/C or Ali trade insurance. You can choose the 1 which is convenient for you.
Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery. For large quantity products,shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.
Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we’d like to use label or package according to your requirement.
Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of 1 company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.
Q6:Is the price on this page correct?
Re: The listed price is only for reference, for latest price, pls contact us directly.
Main products
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Fluid Couplings in Conjunction with Electric Motors
Yes, fluid couplings can be used in conjunction with electric motors to provide a reliable and efficient power transmission solution. When coupled with an electric motor, the fluid coupling serves as a mechanical torque converter, enabling smooth start-ups and gradual acceleration of the driven load.
The combination of a fluid coupling and an electric motor offers several advantages:
- Soft Start: When the electric motor is switched on, it accelerates gradually as the fluid coupling allows the torque to build up slowly. This soft start feature reduces mechanical stress on the driven equipment and minimizes the impact on the electrical supply, preventing voltage drops and surges.
- Overload Protection: Fluid couplings can automatically disengage when the load exceeds a certain threshold, providing overload protection to both the motor and the driven equipment. This feature helps prevent damage to the system during abrupt load changes or stall conditions.
- Vibration Damping: The fluid in the coupling acts as a damping medium, reducing vibration and shock loads during start-ups and sudden load changes. This contributes to smoother operation and extends the lifespan of the connected machinery.
- Energy Efficiency: By facilitating soft start and controlling torque transmission, fluid couplings improve the energy efficiency of the system. They reduce the inrush current during start-up, which can lead to significant energy savings in the long run.
- Variable Speed Control: In some configurations, fluid couplings can be combined with Variable Frequency Drives (VFDs) to provide variable speed control. The VFD regulates the speed of the electric motor, while the fluid coupling ensures smooth and controlled power transmission to the driven equipment.
Overall, the combination of a fluid coupling with an electric motor is a versatile solution that finds applications in various industries. It allows for reliable and controlled power transmission, protecting both the motor and the driven equipment while improving system efficiency.
Role of Fluid Coupling in Reducing Mechanical Stress on Connected Equipment
A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It plays a crucial role in reducing mechanical stress on connected equipment, offering several benefits in various industrial applications. Here’s how a fluid coupling achieves this:
- Smooth Power Transmission: Fluid couplings use hydraulic principles to transmit torque. When the input shaft (driving shaft) rotates, it imparts motion to the fluid inside the coupling. The fluid transmits torque to the output shaft (driven shaft) through the hydraulic coupling, resulting in smooth and gradual power transmission. This eliminates sudden jerks and mechanical shocks that could otherwise lead to increased stress on connected equipment.
- Damping Effect: Fluid couplings act as a damping element, absorbing vibrations and torsional oscillations from the driving shaft. This damping effect helps reduce mechanical stress on connected equipment by mitigating the impact of sudden load changes and torsional vibrations that may occur during start-ups, shut-downs, or varying operating conditions.
- Torque Limiting: In high-load situations, a fluid coupling can provide torque limiting capabilities. When the load exceeds a certain threshold, the fluid coupling slips, preventing excessive torque from reaching the driven shaft. This feature acts as a protective mechanism, preventing overloading and mechanical stress on both the coupling and connected equipment.
- Shock Absorption: In applications where shock loads or overloads are common, a fluid coupling can absorb and dampen the impact of such events. This ability to cushion shocks prevents abrupt changes in torque and rotational speed, reducing mechanical stress and potential damage to the equipment.
- Speed Control: In certain applications, fluid couplings can facilitate speed control of the driven shaft by adjusting the amount of fluid in the coupling. The ability to control the speed of connected equipment without abrupt changes contributes to smoother operation and lower mechanical stress.
By incorporating a fluid coupling into a power transmission system, mechanical stress on connected equipment can be significantly reduced, leading to improved equipment reliability, extended component life, and reduced maintenance costs. Fluid couplings are commonly used in heavy machinery, conveyors, crushers, mining equipment, marine propulsion systems, and various other industrial applications where smooth and controlled power transmission is critical.
It is important to select the appropriate fluid coupling size, type, and features based on the specific application requirements to ensure optimal performance and stress reduction. Regular maintenance and adherence to the manufacturer’s guidelines are essential to preserve the benefits of using fluid couplings and maintain their effectiveness in reducing mechanical stress on connected equipment.
Can Fluid Couplings be Retrofitted into Existing Machinery?
Yes, fluid couplings can be retrofitted into existing machinery in many cases. Retrofitting is a process of adding new components or technologies to existing equipment to improve its performance or functionality. Fluid couplings are versatile and can often be integrated into various industrial machines and power transmission systems.
The process of retrofitting a fluid coupling involves several steps:
- Evaluation: Before retrofitting, a thorough evaluation of the existing machinery is necessary. Engineers need to assess the machine’s design, power requirements, and other relevant factors to determine the suitability of a fluid coupling.
- Compatibility: Fluid couplings should be compatible with the existing machine’s shaft, motor, and driven equipment. If necessary, modifications may be required to ensure a proper fit.
- Installation: The installation process involves mounting the fluid coupling onto the machine’s shaft and connecting it to the motor and driven equipment.
- Alignment: Precise alignment of the fluid coupling is crucial for optimal performance and to avoid issues such as vibration and wear.
- Testing: After installation, the retrofitted system undergoes testing to ensure that it functions as intended and meets the desired performance goals.
Retrofitting fluid couplings can offer various benefits, including:
- Improved Energy Efficiency: Fluid couplings can enhance energy efficiency by reducing power losses and improving the overall power transmission system’s efficiency.
- Enhanced Protection: Fluid couplings provide protection against shocks and overloads, safeguarding the machinery and its components from damage.
- Reduced Maintenance: The smooth start and reduced stress on the machine during operation can lead to lower maintenance requirements and longer equipment lifespan.
- Soft Start: Fluid couplings offer a soft start, which reduces the mechanical stress on the machine during startup, extending its life and minimizing downtime.
However, it is essential to involve qualified engineers and technicians for the retrofitting process to ensure proper installation, alignment, and performance of the fluid coupling in the existing machinery.
editor by CX 2024-05-15
China best Polish Surface Treatment Internal Thread Plastic Female Threaded Coupling for The Conveyance of Fluids at High Pressures
Product Description
Polish Surface Treatment Internal Thread Plastic Female Threaded Coupling for the Conveyance of Fluids at High Pressures
Product Description
IRRIPLAST PP compression fittings line has been designed for the conveyance of fluids at high pressures, for water conveyance, for potable water distribution and applications in the thermo-hydraulic sector. This product line is accordance with the most severe international standards in terms of mechanical properties and alimentary compatibilities.
|
Part |
Material |
|
Body(A) |
Heterophasic block polypropylene co-polymer(PP-B) of exceptional mechanical properties even at high temperature. |
|
Blocking bush(D) |
Polypropylene |
|
Nut(B) |
Polypropylene with dye master of high stability to UV rays andsolidity to heat( S grade according to standard DIN54004) |
|
Clinching ring(C) |
Polyacetal resin(POM)with high mechanical resistance And hardness |
|
O Ring gasket(E) |
Special elastomeric acrylonitrile rubber(EPDM) for alimentary use |
| Description | Code | SIZE | Weight (g/pc) | pcs/ carton |
| Female thread coupling | A1003 | 20*1/2 | 31 | 600 |
| 20*3/4 | 32 | 560 | ||
| 20*1 | 37 | 460 | ||
| 25*1/2 | 47 | 375 | ||
| 25*3/4 | 49 | 360 | ||
| 25*1 | 53 | 330 | ||
| 32*1/2 | 76 | 240 | ||
| 32*3/4 | 77 | 220 | ||
| 32*1 | 79 | 210 | ||
| 32*11/4″ | 86 | 192 | ||
| 40*1 | 109 | 192 | ||
| 40*11/4 | 112 | 130 | ||
| 40*11/2″ | 125 | 120 | ||
| 50*1″ | 185 | 80 | ||
| 50*11/4 | 193 | 80 | ||
| 50*11/2″ | 200 | 80 | ||
| 50*2″ | 206 | 80 | ||
| 63*11/4 | 294 | 48 | ||
| 63*11/2 | 304 | 48 | ||
| 63*2 | 305 | 42 | ||
| 75*2″ | 481 | 27 | ||
| 75*21/2″ | 496 | 24 | ||
| 75*3″ | 560 | 24 | ||
| 90*21/2″ | 720 | 14 | ||
| 90*3″ | 775 | 14 | ||
| 90*4″ | 848 | 14 | ||
| 110*3″ | 1254 | 8 | ||
| 110*4″ | 1264 | 8 |
FEATURES
1. Light weight, easy to load and unload
2. Good chemicals and drugs resistance
3. Small resistance to fluidity
4. Strong mechanical strength
5. Good electrical insulation
6. Water quality unaffected
7. Simple installation
APPLICATION
1. Structure Engineering
2. Water supply system
3. for Agriculture Irrigation
Main Products
View more products,you can click products keywords…
| PPR Pipe | PPR Fitting |
| PP Union Ball Valve | PP Compression Fitting |
| Clamp Saddle | Solenoid Valve |
Sprinkler |
PVC Ball Valves |
Company Profile
OTHER DETAIL SERVICES FOR YOU
1.Any inquiries will be replied within 24 hours.
2.Professional manufacturer.
3.OEM is available.
4.High quality, standard designs,reasonable&competitive price,fast lead time.
5.Faster delivery: Sample will be prepared in 2-3 days.
6.Shipping: We have strong cooperation with DHL,TNT,UPS,MSK,China Shipping,etc.
FAQ
1.What is your MOQ?
Our MOQ is usually 5 CTNS for size from 20-50mm.
2.What is your delievery time?
The time of delievery is around 30-45days.
3.What is your payment terms?
We accept 30% T/T in advance,70% before shipment .or 100% L/C.
4.What is the shipping port?
We ship the goods to HangZhou or ZheJiang port.
5.What is the address of your company?
Our company is located in the HangZhou, HangZhou ZHangZhoug Province,China.You are welcomed to visit our factory.
6.How about the samples?
we could send you the samples for free, and you need to pay the courier fee.
If there are too much samples, then you also need to undertake the sample fee.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How does a Fluid Coupling Handle Shock Loads and Torsional Vibrations?
Fluid couplings are designed to handle shock loads and torsional vibrations in power transmission systems due to their unique operating principle:
- Shock Load Handling: When a sudden or high-impact load is applied to the output shaft, the fluid coupling allows a certain degree of slippage between the impeller and the runner. This slippage acts as a buffer, absorbing the shock and protecting the connected machinery from abrupt torque changes. As a result, fluid couplings are effective at preventing damage to the drivetrain and other components during abrupt starts and stops.
- Torsional Vibration Damping: Torsional vibrations can occur in rotating systems, leading to harmful vibrations that can affect the overall stability and performance of the machinery. Fluid couplings help dampen these torsional vibrations by providing a smooth and controlled power transmission. The hydraulic fluid inside the coupling acts as a viscous damper, absorbing and dissipating the energy of torsional vibrations, thus reducing the impact on the connected equipment.
By effectively managing shock loads and torsional vibrations, fluid couplings contribute to improved reliability and reduced wear and tear on the machinery, leading to longer equipment life and enhanced overall performance.
Fluid Couplings in Hydraulic Drive Systems
Yes, fluid couplings can be used in hydraulic drive systems to transmit power and control the speed of driven components. In hydraulic drive systems, fluid couplings act as a torque converter, providing a smooth and gradual transfer of power between the input and output shafts.
The basic principle of a fluid coupling remains the same whether it is used in a mechanical drive system or a hydraulic drive system. The fluid coupling consists of an input impeller connected to the prime mover (such as an electric motor or an engine) and an output runner connected to the driven component.
When the prime mover is activated, it drives the input impeller, creating a flow of hydraulic fluid within the coupling. This fluid flow creates a hydrodynamic torque that is transferred to the output runner, driving the connected component. The fluid coupling allows for a controlled slip between the input and output, allowing the driven component to start smoothly and gradually reach its desired speed.
In hydraulic drive systems, fluid couplings offer several advantages:
- Smooth Torque Transmission: Fluid couplings provide smooth torque transmission, reducing shocks and vibrations in the system.
- Overload Protection: Fluid couplings can protect the drive system from overloads by allowing some slip in the event of sudden changes in load or jamming of the driven component.
- Speed Control: By controlling the flow of hydraulic fluid, the speed of the driven component can be precisely regulated.
- Energy Efficiency: Fluid couplings can help improve energy efficiency by reducing mechanical losses and optimizing power transmission.
Hydraulic drive systems with fluid couplings are commonly used in various industrial applications, including conveyor systems, mining equipment, marine propulsion, and more. They offer reliable and efficient power transmission while protecting the machinery from excessive loads and shocks.
It’s essential to consider the specific requirements of the hydraulic drive system and the characteristics of the fluid coupling to ensure optimal performance and efficiency in the application.
Use of Fluid Couplings in Horizontal and Vertical Shaft Arrangements
Yes, fluid couplings can be used in both horizontal and vertical shaft arrangements, providing flexible power transmission solutions for various industrial applications.
1. Horizontal Shaft Arrangements:
In horizontal shaft arrangements, the fluid coupling is installed between the driving and driven shafts, which are positioned horizontally and parallel to each other. The fluid coupling allows torque to be transmitted smoothly from the driving shaft to the driven shaft, enabling the machinery or equipment to start up gradually without abrupt shocks or overloading. This feature is especially beneficial in applications where heavy loads need to be accelerated smoothly, such as conveyors, crushers, and pumps.
2. Vertical Shaft Arrangements:
In vertical shaft arrangements, the fluid coupling is used to connect the driving and driven shafts, which are positioned vertically and aligned on top of each other. The fluid coupling allows for torque transmission and controlled acceleration, just like in horizontal arrangements. Vertical shaft fluid couplings are commonly used in applications such as vertical conveyors, hoists, and elevators, where they provide smooth starting and stopping of the equipment, preventing sudden jolts and reducing stress on the machinery.
Fluid couplings offer versatility in power transmission and are adaptable to various shaft arrangements, making them suitable for a wide range of industrial setups. Whether the application involves horizontal or vertical shafts, fluid couplings play a crucial role in enhancing the performance, safety, and efficiency of power transmission systems.
editor by CX 2024-05-15
China Custom Pipe Coupling for Fluid Equipment
Product Description
Pipe Coupling for Fluid Equipment
Model number: DK101
Material: Stainless steel 304
Surface treatment: Polished
Management Certification: ISO9001:2015
Origin: ZheJiang China
OEM orders: accept
Samples: for free
| Item | Material | Surface | Locking load | Weight |
| DK101 | Steel | zinc-plated | ||
| DK101 | Stainless steel 304 | Polished |
Product application
Widely used in many fields. Like ships, high-speed rail, automobiles, civil products, and so on.
Certificate
Packaging & Delivery
Packing: packing can be made according to your request.
Single package size: 32mm*22mm*15mm
Our factory
FAQ:
Q: Are you a factory or trading company?
A: We are a professional manufacturer. We are warmly welcome clients from worldwide to
visit our factory and cooperate with us.
Q: What’s your advantage? Why we choose you?
A: Great production capacity Sustainable Supply.According to customer requirements
we support the customized include package. We have the most professional
technology and team.
Q: What are your production standards?
A: European standard stamping
Q: How long does the whole procedure being worked out?
A: The lead time is about 30days and it depends if the material is especial.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How does a Fluid Coupling Handle Shock Loads and Torsional Vibrations?
Fluid couplings are designed to handle shock loads and torsional vibrations in power transmission systems due to their unique operating principle:
- Shock Load Handling: When a sudden or high-impact load is applied to the output shaft, the fluid coupling allows a certain degree of slippage between the impeller and the runner. This slippage acts as a buffer, absorbing the shock and protecting the connected machinery from abrupt torque changes. As a result, fluid couplings are effective at preventing damage to the drivetrain and other components during abrupt starts and stops.
- Torsional Vibration Damping: Torsional vibrations can occur in rotating systems, leading to harmful vibrations that can affect the overall stability and performance of the machinery. Fluid couplings help dampen these torsional vibrations by providing a smooth and controlled power transmission. The hydraulic fluid inside the coupling acts as a viscous damper, absorbing and dissipating the energy of torsional vibrations, thus reducing the impact on the connected equipment.
By effectively managing shock loads and torsional vibrations, fluid couplings contribute to improved reliability and reduced wear and tear on the machinery, leading to longer equipment life and enhanced overall performance.
Temperature Limitations of Fluid Couplings
Fluid couplings, like any mechanical component, have temperature limitations that must be considered to ensure their proper and safe operation. The temperature limitations of fluid couplings are influenced by the type of fluid used inside the coupling, the ambient operating conditions, and the specific design and construction of the coupling.
The primary concern regarding temperature is the heat generated during the operation of the fluid coupling. The heat is a result of friction and fluid shear within the coupling as it transmits power between the input and output shafts. Excessive heat generation can lead to the degradation of the fluid, affecting the performance and longevity of the coupling.
As a general guideline, most fluid couplings are designed to operate within a temperature range of -30°C to 80°C (-22°F to 176°F). However, the actual temperature limitations may vary depending on the manufacturer and the application requirements. For specific industrial applications where high-temperature environments are common, fluid couplings with higher temperature tolerances may be available.
It is crucial to consider the operating environment and the power demands of the machinery when selecting a fluid coupling. In applications with extreme temperatures, additional cooling mechanisms such as external cooling fins or cooling water circulation may be employed to maintain the fluid coupling within its safe operating temperature range.
Exceeding the recommended temperature limits can lead to premature wear, reduced efficiency, and even mechanical failure of the fluid coupling. Regular monitoring of the operating temperature and following the manufacturer’s guidelines for maintenance and fluid replacement can help ensure the longevity and reliability of the fluid coupling.
Always consult with the manufacturer or a qualified engineer to determine the specific temperature limitations and suitability of the fluid coupling for your particular application.
Types of Fluid Used in Fluid Couplings
Various types of fluids can be used in fluid couplings depending on the specific application and requirements. Some common types of fluids used in fluid couplings include:
- Oil: Mineral oil is one of the most commonly used fluids in fluid couplings. It offers good lubrication properties and thermal stability, making it suitable for a wide range of operating conditions. Oil-based fluids are generally cost-effective and readily available.
- Water-Glycol: Water-glycol mixtures are often used in fluid couplings that require fire-resistant properties. These mixtures provide improved cooling and are less flammable compared to pure oil fluids. They are commonly used in applications where fire safety is a concern, such as in mining and underground operations.
- Synthetic Fluids: Synthetic fluids, such as synthetic oils and silicone-based fluids, offer enhanced performance characteristics over mineral oils. They can withstand higher temperatures and provide better thermal stability, making them suitable for more demanding industrial applications.
- Biodegradable Fluids: In environmentally sensitive applications, biodegradable fluids are used to reduce the environmental impact in case of accidental leaks or spills. These fluids are designed to break down naturally and are commonly used in applications like forestry and marine operations.
The choice of fluid depends on factors such as the required power transmission efficiency, operating temperature, fire safety requirements, and environmental considerations. It is essential to select the appropriate fluid that matches the specific needs of the fluid coupling and the machinery or equipment it is used in.
editor by CX 2024-05-14
China OEM Plastic Barbed Tubing Joint Female Quick Connect Fittings Quick Panel Mount Medical Fluid Control Release Coupling
Product Description
Product Description
| Product Name | Plastic Barbed Tubing Joint Female Quick Connect Fittings Quick Panel Mount Medical Fluid Control Release Coupling |
| Technology | Injection Molding |
| Usage | Standard flow quick-disconnect couplings require a body and an insert in the same flow size. Plug insert into body to connect fitting and easily disconnect the fitting by simply press the thumb latch. |
| Application | medical devices, laboratory, life science, biopharmaceutical, biochemical analysis, bioengineering, circulating water cooling pipe system, water treatment and disinfection, food&beverage, packaging machinery, industrial and hundreds of other applications; |
| Adapted Medium | Gas/Liquid |
| Material | POM Plastic |
| Seal Ring Material | Buna-N/FKM/EPDM/Silicone rubber, depend on your usage |
| Valve Spring | 316 Stainless Steel |
| Temperature Range | 32°F – 180°F (0°C – 82°C) |
| Pressure Range | Vacuum to 100 psi, 6.9bar |
| Valve Option | Valved(shut off) or Non-valved (straight through) |
| Shape Option | Panel Mount/In-line/Elbow/NPT Threaded; |
| Hose Barb Size | 1/16″ =1.6mm (01); 1/8″= 3.2mm (02); 3/16″= 4.8mm (03);
1/4″=6.4mm (04); 5/16″=8mm (05); 3/8″=9.6mm (06); |
| Threaded End | 1/8″-27NPT, 1/4″-18NPT Male Thread |
1/4″ Flow rate, 1/4″(6.4mm), 5/16″(7.9mm), 3/8″(9.5mm)Hose Barb Coupling Female Body
Related Products You May Like
1/4″ Flow Rate Large Series Couplings
1/8″ Flow Rate Medium Series Couplings
1/16″ Flow Rate Small Series Couplings
FAQ
Q1: Are you trading company or manufacturer?
A1: We are 15 years factory. Welcome to visit our factory.
Q2:What is your sample policy?
A2:
1. Only for terminal manufacturer;
2. Please kindly provide detail information of company for sample application process. Sample is available after confirmed and approved by management;
3.The international freight cost should be paid by the applicant;
Q3:What is your terms of payment?
A3: 100% payment before delivery; T/T 50% as deposit when mass customization, the balance before shipment.
Q4: How about your delivery time?
A4: Generally, it will take about 7-15 days after payment confirmed. The specific delivery time depends on the items and the ordered quantity .
Q5:What’s the shipping way?
A5: Usually by DHL, UPS, TNT, FedEx express or as your request.
Q6: Can you produce according to the samples?
A6: Yes, we can produce by your samples or technical drawings. We accept ODM & OEM.
Company Profile
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Handling Overloads and Stall Conditions in Fluid Couplings
A fluid coupling is designed to handle overloads and stall conditions in power transmission systems. When an overload or stall occurs, the fluid coupling utilizes its unique operating principle to protect the drivetrain and the connected machinery:
- Slip Feature: One of the key characteristics of a fluid coupling is its ability to slip at high torque loads. When an overload situation arises, the fluid coupling allows some relative motion between the input and output sides, known as slip. This slip absorbs the excess torque and prevents it from being transferred to the driven equipment, effectively protecting it from damage.
- Fluid Circulation: During normal operation, the fluid inside the coupling circulates smoothly between the impeller and turbine, transmitting torque with minimal losses. However, when an overload or stall condition occurs, the fluid circulation may become turbulent, generating heat in the process. This heat dissipation helps in absorbing and dissipating the excess energy, preventing the transmission system from experiencing sudden stress.
- Automatic Reconnection: After an overload or stall condition, once the excess torque is dissipated through slip and heat, the fluid coupling automatically reconnects the input and output sides, resuming the power transmission. This automatic reconnection ensures that the system returns to normal operation once the overload situation is resolved.
- Sturdy Construction: Fluid couplings are designed with robust and durable materials to withstand high torque and thermal stresses during overload conditions. The strong construction ensures that the fluid coupling remains reliable and operational even after multiple overload events.
Overall, a fluid coupling’s ability to handle overloads and stall conditions makes it a reliable and essential component in various industrial applications. By providing overload protection and slip characteristics, fluid couplings help prevent costly damage to equipment, increase operational safety, and contribute to the longevity of the entire power transmission system.
Fluid Couplings in Hydraulic Drive Systems
Yes, fluid couplings can be used in hydraulic drive systems to transmit power and control the speed of driven components. In hydraulic drive systems, fluid couplings act as a torque converter, providing a smooth and gradual transfer of power between the input and output shafts.
The basic principle of a fluid coupling remains the same whether it is used in a mechanical drive system or a hydraulic drive system. The fluid coupling consists of an input impeller connected to the prime mover (such as an electric motor or an engine) and an output runner connected to the driven component.
When the prime mover is activated, it drives the input impeller, creating a flow of hydraulic fluid within the coupling. This fluid flow creates a hydrodynamic torque that is transferred to the output runner, driving the connected component. The fluid coupling allows for a controlled slip between the input and output, allowing the driven component to start smoothly and gradually reach its desired speed.
In hydraulic drive systems, fluid couplings offer several advantages:
- Smooth Torque Transmission: Fluid couplings provide smooth torque transmission, reducing shocks and vibrations in the system.
- Overload Protection: Fluid couplings can protect the drive system from overloads by allowing some slip in the event of sudden changes in load or jamming of the driven component.
- Speed Control: By controlling the flow of hydraulic fluid, the speed of the driven component can be precisely regulated.
- Energy Efficiency: Fluid couplings can help improve energy efficiency by reducing mechanical losses and optimizing power transmission.
Hydraulic drive systems with fluid couplings are commonly used in various industrial applications, including conveyor systems, mining equipment, marine propulsion, and more. They offer reliable and efficient power transmission while protecting the machinery from excessive loads and shocks.
It’s essential to consider the specific requirements of the hydraulic drive system and the characteristics of the fluid coupling to ensure optimal performance and efficiency in the application.
Fluid Couplings and Variable Speed Control
Fluid couplings are well-suited for certain applications that require variable speed control. While fluid couplings are primarily designed for smooth power transmission and torque multiplication, they can be used in combination with other devices to achieve variable speed control.
The primary method of achieving variable speed control with a fluid coupling is by using a hydraulic coupling or a hydraulic torque converter. A hydraulic coupling is essentially a fluid coupling with an additional chamber that allows for controlled fluid flow. By adjusting the fluid flow rate, the output speed can be varied, thus providing variable speed control.
Hydraulic torque converters are similar to fluid couplings but have an additional component called a stator. The stator redirects the fluid flow in a way that enhances torque multiplication at low speeds and improves efficiency at high speeds. By altering the stator’s position, the output speed can be varied, enabling variable speed control.
Variable speed control with fluid couplings is often used in applications such as industrial machinery, mining equipment, and certain types of vehicles. It allows for smooth and efficient speed adjustments without the need for mechanical gear changes, providing flexibility in various operating conditions.
However, it’s important to note that while fluid couplings can offer some degree of variable speed control, they are not as versatile as other speed control mechanisms like variable frequency drives (VFDs) or electronic controllers. Therefore, the selection of the appropriate speed control method depends on the specific requirements and characteristics of the application.
editor by CX 2024-05-14
China supplier New Style Pn16 Compression Fittings Male Threaded Coupling for The Conveyance of Fluids at High Pressures
Product Description
New Style Pn16 Compression Fittings Male Threaded Coupling for the Conveyance of Fluids at High Pressures
Product Description
IRRIPLAST PP compression fittings line has been designed for the conveyance of fluids at high pressures, for water conveyance, for potable water distribution and applications in the thermo-hydraulic sector. This product line is accordance with the most severe international standards in terms of mechanical properties and alimentary compatibilities.
|
Part |
Material |
|
Body(A) |
Heterophasic block polypropylene co-polymer(PP-B) of exceptional mechanical properties even at high temperature. |
|
Blocking bush(D) |
Polypropylene |
|
Nut(B) |
Polypropylene with dye master of high stability to UV rays andsolidity to heat( S grade according to standard DIN54004) |
|
Clinching ring(C) |
Polyacetal resin(POM)with high mechanical resistance And hardness |
|
O Ring gasket(E) |
Special elastomeric acrylonitrile rubber(EPDM) for alimentary use |
| Description | Code | SIZE | Weight (g/pc) | pcs/ carton |
| Female thread coupling | A1003 | 20*1/2 | 31 | 600 |
| 20*3/4 | 32 | 560 | ||
| 20*1 | 37 | 460 | ||
| 25*1/2 | 47 | 375 | ||
| 25*3/4 | 49 | 360 | ||
| 25*1 | 53 | 330 | ||
| 32*1/2 | 76 | 240 | ||
| 32*3/4 | 77 | 220 | ||
| 32*1 | 79 | 210 | ||
| 32*11/4″ | 86 | 192 | ||
| 40*1 | 109 | 192 | ||
| 40*11/4 | 112 | 130 | ||
| 40*11/2″ | 125 | 120 | ||
| 50*1″ | 185 | 80 | ||
| 50*11/4 | 193 | 80 | ||
| 50*11/2″ | 200 | 80 | ||
| 50*2″ | 206 | 80 | ||
| 63*11/4 | 294 | 48 | ||
| 63*11/2 | 304 | 48 | ||
| 63*2 | 305 | 42 | ||
| 75*2″ | 481 | 27 | ||
| 75*21/2″ | 496 | 24 | ||
| 75*3″ | 560 | 24 | ||
| 90*21/2″ | 720 | 14 | ||
| 90*3″ | 775 | 14 | ||
| 90*4″ | 848 | 14 | ||
| 110*3″ | 1254 | 8 | ||
| 110*4″ | 1264 | 8 |
FEATURES
1. Light weight, easy to load and unload
2. Good chemicals and drugs resistance
3. Small resistance to fluidity
4. Strong mechanical strength
5. Good electrical insulation
6. Water quality unaffected
7. Simple installation
APPLICATION
1. Structure Engineering
2. Water supply system
3. for Agriculture Irrigation
Main Products
View more products,you can click products keywords…
| PPR Pipe | PPR Fitting |
| PP Union Ball Valve | PP Compression Fitting |
| Clamp Saddle | Solenoid Valve |
Sprinkler |
PVC Ball Valves |
Company Profile
OTHER DETAIL SERVICES FOR YOU
1.Any inquiries will be replied within 24 hours.
2.Professional manufacturer.
3.OEM is available.
4.High quality, standard designs,reasonable&competitive price,fast lead time.
5.Faster delivery: Sample will be prepared in 2-3 days.
6.Shipping: We have strong cooperation with DHL,TNT,UPS,MSK,China Shipping,etc.
FAQ
1.What is your MOQ?
Our MOQ is usually 5 CTNS for size from 20-50mm.
2.What is your delievery time?
The time of delievery is around 30-45days.
3.What is your payment terms?
We accept 30% T/T in advance,70% before shipment .or 100% L/C.
4.What is the shipping port?
We ship the goods to HangZhou or ZheJiang port.
5.What is the address of your company?
Our company is located in the HangZhou, HangZhou ZHangZhoug Province,China.You are welcomed to visit our factory.
6.How about the samples?
we could send you the samples for free, and you need to pay the courier fee.
If there are too much samples, then you also need to undertake the sample fee.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Fluid Couplings in Marine Propulsion Systems
Yes, fluid couplings can be and are commonly used in marine propulsion systems. They offer several advantages that make them well-suited for such applications:
- Smooth Power Transmission: Fluid couplings provide smooth power transmission, which is beneficial for marine propulsion where abrupt changes in power delivery can be detrimental to the vessel’s stability and performance.
- Torque Limiting: In marine applications, fluid couplings can act as torque limiters, protecting the propulsion system and engine from sudden torque surges and overloads, which can occur during maneuvers or when encountering resistance in water.
- Impact Damping: The hydrodynamic principle of fluid couplings helps dampen impacts and shocks in the propulsion system, reducing wear and tear on the components and extending their lifespan.
- Load Sharing: In multi-engine marine setups, fluid couplings facilitate load sharing between engines, ensuring each engine contributes its share of power to achieve optimal propulsion efficiency.
- Start-up Performance: Fluid couplings enable controlled and gradual acceleration during start-up, which is crucial for large vessels and applications where sudden torque spikes could damage the drivetrain or disturb the vessel’s balance.
- Overload Protection: The fluid coupling’s ability to slip at high loads provides inherent overload protection to the marine propulsion system, safeguarding it against potential damage.
Fluid couplings used in marine applications are specially designed to withstand the harsh conditions of the marine environment, including exposure to saltwater, humidity, and vibration. They are available in various sizes and configurations to accommodate different marine vessel types and power requirements.
Overall, fluid couplings offer reliable and efficient power transmission solutions for marine propulsion systems, contributing to the safe and smooth operation of the vessel.
Fluid Couplings in High-Temperature Environments
Fluid couplings are versatile power transmission devices commonly used in various industrial applications. However, their suitability for high-temperature environments depends on several factors, including the design, materials, and the specific operating conditions.
Here are some key considerations regarding the use of fluid couplings in high-temperature environments:
- Fluid Type: The type of fluid used inside the coupling greatly influences its temperature capabilities. Some fluid couplings are designed to handle higher temperatures by using specially formulated high-temperature fluids that can withstand elevated heat levels without degradation.
- Materials: The materials used in the construction of the fluid coupling play a crucial role in determining its maximum temperature tolerance. High-quality materials with good heat resistance properties are required to ensure reliable performance in high-temperature conditions.
- Lubrication: Proper lubrication is essential to reduce friction and heat generation within the fluid coupling. In high-temperature environments, ensuring sufficient and appropriate lubrication is crucial to prevent excessive wear and potential damage.
- Cooling: Some fluid couplings come equipped with cooling systems, such as cooling fins or external cooling circuits, to dissipate excess heat generated during operation. These cooling mechanisms can enhance the coupling’s capacity to handle higher temperatures.
- Application Considerations: The specific application and load requirements must be taken into account. In some cases, high-temperature conditions may be intermittent or occasional, allowing the fluid coupling to cool down between cycles. However, continuous high-temperature operation may require a more robust and specialized fluid coupling.
It is important to consult with the fluid coupling manufacturer to understand the temperature limitations and performance capabilities of their products. Manufacturers can provide guidance on selecting the appropriate fluid coupling for specific high-temperature applications.
While fluid couplings can be suitable for moderate to high-temperature environments, it is essential to operate them within their specified temperature range to ensure optimal performance and longevity. Extreme temperatures beyond the coupling’s rated limits can lead to accelerated wear, reduced efficiency, and potential damage, ultimately affecting the reliability of the power transmission system.
In summary, fluid couplings can be used in high-temperature environments, provided that the coupling’s design, materials, and lubrication are suitable for the specific application and operating conditions. Regular maintenance and adherence to the manufacturer’s guidelines are essential to ensure reliable performance and durability in such environments.
Can Fluid Couplings be Retrofitted into Existing Machinery?
Yes, fluid couplings can be retrofitted into existing machinery in many cases. Retrofitting is a process of adding new components or technologies to existing equipment to improve its performance or functionality. Fluid couplings are versatile and can often be integrated into various industrial machines and power transmission systems.
The process of retrofitting a fluid coupling involves several steps:
- Evaluation: Before retrofitting, a thorough evaluation of the existing machinery is necessary. Engineers need to assess the machine’s design, power requirements, and other relevant factors to determine the suitability of a fluid coupling.
- Compatibility: Fluid couplings should be compatible with the existing machine’s shaft, motor, and driven equipment. If necessary, modifications may be required to ensure a proper fit.
- Installation: The installation process involves mounting the fluid coupling onto the machine’s shaft and connecting it to the motor and driven equipment.
- Alignment: Precise alignment of the fluid coupling is crucial for optimal performance and to avoid issues such as vibration and wear.
- Testing: After installation, the retrofitted system undergoes testing to ensure that it functions as intended and meets the desired performance goals.
Retrofitting fluid couplings can offer various benefits, including:
- Improved Energy Efficiency: Fluid couplings can enhance energy efficiency by reducing power losses and improving the overall power transmission system’s efficiency.
- Enhanced Protection: Fluid couplings provide protection against shocks and overloads, safeguarding the machinery and its components from damage.
- Reduced Maintenance: The smooth start and reduced stress on the machine during operation can lead to lower maintenance requirements and longer equipment lifespan.
- Soft Start: Fluid couplings offer a soft start, which reduces the mechanical stress on the machine during startup, extending its life and minimizing downtime.
However, it is essential to involve qualified engineers and technicians for the retrofitting process to ensure proper installation, alignment, and performance of the fluid coupling in the existing machinery.
editor by CX 2024-05-13
China Hot selling CHINAMFG Customized Hydraulic Yox Motor Hydraulic Gear Fluid Coupling, Yot Fluid Coupling
Product Description
Densen customized hydraulic yox motor hydraulic gear fluid coupling,yot fluid coupling
| Product Name | Densen customized hydraulic yox motor hydraulic gear fluid coupling,yot fluid coupling |
| DN mm | 225~1312mm |
| Rated Torque | 2000~11950000N·m |
| Allowable speed | 1500~3000 RPM |
| Material | 35CrMo/ZG270/45# steel/Aluminum alloy |
| Application | Widely used in metallurgy, mining, engineering and other fields. |
Product show
Company Information
Equipment
Typical case of diaphragm coupling applied to variable frequency speed control equipment
JMB type coupling is applied to HangZhou Oilfield Thermal Power Plant
According to the requirements of HangZhou Electric Power Corporation, HangZhou Oilfield Thermal Power Plant should dynamically adjust the power generation according to the load of the power grid and market demand, and carry out the transformation of the frequency converter and the suction fan. The motor was originally a 1600KW, 730RPM non-frequency variable speed motor matched by HangZhou Motor Factory. The speed control mode after changing the frequency is manual control. Press the button speed to increase 10RPM or drop 10RPM. The coupling is still the original elastic decoupling coupling, and the elastic de-coupling coupling after frequency conversion is frequently damaged, which directly affects the normal power generation.
It is found through analysis that in the process of frequency conversion speed regulation, the pin of the coupling can not bear the inertia of the speed regulation process (the diameter of the fan impeller is 3.3 meters) and is cut off, which has great damage to the motor and the fan.
Later, they switched to the JMB460 double-diaphragm wheel-type coupling of our factory (patent number: ZL.99246247.9). After 1 hour of destructive experiment and more than 1 year of operation test, the equipment is running very well, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.
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Packaging & Shipping
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Factors Influencing the Thermal Performance of a Fluid Coupling
The thermal performance of a fluid coupling, specifically its ability to dissipate heat and maintain operating temperatures within acceptable limits, is influenced by several factors:
- Power Rating: The power rating of the fluid coupling, which indicates its capacity to handle a specific amount of power, affects its thermal performance. Higher power ratings generally result in higher heat generation, so it’s essential to choose a fluid coupling with an adequate power rating for the application.
- Operating Speed: The operating speed of the fluid coupling is a critical factor. Higher speeds can lead to increased heat generation due to friction and viscous losses. It’s essential to consider the operating speed to ensure the fluid coupling can handle the heat produced at the given speed.
- Ambient Temperature: The ambient temperature of the environment in which the fluid coupling operates also plays a role in its thermal performance. Higher ambient temperatures can impact the cooling efficiency and may lead to increased operating temperatures.
- Load Variation: Applications with varying loads can experience changes in heat generation. Fluid couplings used in such systems must be capable of handling the thermal effects of load fluctuations without exceeding temperature limits.
- Cooling Method: The cooling method employed in the fluid coupling design significantly affects its thermal performance. Some fluid couplings use natural convection for cooling, while others incorporate forced cooling methods such as internal or external cooling circuits. The cooling system’s efficiency directly impacts the ability to dissipate heat effectively.
- Fluid Properties: The properties of the fluid inside the coupling, such as viscosity and heat capacity, influence thermal performance. The choice of fluid can affect the amount of heat generated and the efficiency of heat dissipation.
- Operating Time: The duration of operation also affects the thermal behavior of the fluid coupling. Continuous operation or extended duty cycles may lead to higher operating temperatures, requiring careful consideration during selection.
- Proper Maintenance: Regular maintenance, including lubricant inspection and replacement, is crucial for optimal thermal performance. Contaminated or degraded fluid can impact the heat transfer characteristics of the coupling.
It’s essential to consider these factors when selecting a fluid coupling to ensure that it can effectively manage heat generation and maintain safe operating temperatures in the specific application.
Real-World Case Studies: Improved Performance with Fluid Couplings
Fluid couplings have been widely adopted in various industries, and numerous real-world case studies demonstrate their positive impact on performance and efficiency. Here are a few examples:
Case Study 1: Mining Conveyor System
In a large mining operation, a conveyor system used to transport heavy loads of ore experienced frequent starts and stops due to fluctuating material supply. The abrupt starting and stopping led to significant wear and tear on the conveyor components, causing frequent breakdowns and maintenance downtime.
After installing fluid couplings at critical points in the conveyor system, the soft start and stop capability of the fluid couplings significantly reduced the mechanical stress during operation. This led to a smoother material flow, reduced conveyor wear, and extended equipment life. Additionally, the fluid couplings’ overload protection feature prevented damage to the conveyor during peak loads, ensuring uninterrupted production.
Case Study 2: Marine Propulsion System
In a marine vessel equipped with traditional direct drive systems, the crew faced challenges in maneuvering the ship efficiently. The fixed propeller arrangement made it challenging to control the vessel’s speed and direction accurately, leading to increased fuel consumption and decreased maneuverability.
By retrofitting the vessel’s propulsion system with fluid couplings, the ship’s performance improved significantly. The fluid couplings allowed for flexible and smooth speed control, enabling precise maneuvering and reduced fuel consumption. The ability to adjust the load on the propeller enhanced the vessel’s overall efficiency, resulting in reduced operating costs and improved environmental sustainability.
Case Study 3: Industrial Pumping Station
In an industrial pumping station, the constant starting and stopping of the pumps caused water hammer and pressure surges within the pipeline network. The sudden hydraulic shocks led to pipe bursts, valve failures, and increased energy consumption.
After implementing fluid couplings in the pump drive systems, the pumps could be softly started and stopped. The fluid couplings’ torque control capabilities ensured a gradual increase in pump speed, eliminating water hammer and pressure surges. As a result, the pumping station’s reliability improved, maintenance costs decreased, and the energy consumption reduced due to smoother pump operations.
These case studies demonstrate the positive effects of using fluid couplings in various applications. They highlight how fluid couplings contribute to improved performance, reduced mechanical stress, enhanced control, and cost savings in industrial machinery and systems.
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Disadvantages and Limitations of Fluid Couplings
While fluid couplings offer numerous advantages, they also have some disadvantages and limitations that should be considered for specific applications:
- Power Loss: Fluid couplings introduce a power loss due to the slip that occurs during power transmission. This power loss can reduce the overall efficiency of the system, especially in applications with high-speed variations.
- Torque Multiplication: Unlike torque converters, fluid couplings have limited torque multiplication capabilities. They do not provide as much torque increase at low speeds, which may be necessary for certain heavy-load applications.
- Temperature Sensitivity: Fluid couplings are sensitive to temperature changes. In extremely hot or cold conditions, the viscosity of the fluid may vary, affecting the coupling’s performance.
- Fluid Contamination: Contaminants in the fluid can adversely affect the performance and lifespan of the fluid coupling. Regular maintenance and monitoring of the fluid quality are essential to prevent potential issues.
- Speed Limitations: Fluid couplings may have speed limitations in certain applications. High-speed operations can lead to centrifugal forces that may affect the coupling’s behavior.
- Complexity in Control: In some cases, controlling the output speed of the fluid coupling can be more challenging compared to other types of couplings. This complexity may require additional control mechanisms.
- Cost: Fluid couplings can be more expensive than some mechanical couplings, such as belt and chain drives. The initial cost and ongoing maintenance expenses should be considered in the selection process.
Despite these limitations, fluid couplings remain a popular choice in many industrial applications, thanks to their smooth power transmission, overload protection, and torsional vibration damping capabilities. The decision to use a fluid coupling should be based on a thorough understanding of the specific requirements and operating conditions of the machinery or equipment.
editor by CX 2024-05-10
China best Adaptor Thermo-Hydraulic Sector Female Threaded Coupling for Water Conveyance The of Fluids at High Pressures
Product Description
Adaptor Thermo-hydraulic Sector Female Threaded Coupling for Water Conveyance the of Fluids at High Pressures
Product Description
IRRIPLAST PP compression fittings line has been designed for the conveyance of fluids at high pressures, for water conveyance, for potable water distribution and applications in the thermo-hydraulic sector. This product line is accordance with the most severe international standards in terms of mechanical properties and alimentary compatibilities.
|
Part |
Material |
|
Body(A) |
Heterophasic block polypropylene co-polymer(PP-B) of exceptional mechanical properties even at high temperature. |
|
Blocking bush(D) |
Polypropylene |
|
Nut(B) |
Polypropylene with dye master of high stability to UV rays andsolidity to heat( S grade according to standard DIN54004) |
|
Clinching ring(C) |
Polyacetal resin(POM)with high mechanical resistance And hardness |
|
O Ring gasket(E) |
Special elastomeric acrylonitrile rubber(EPDM) for alimentary use |
| Description | Code | SIZE | Weight (g/pc) | pcs/ carton |
| Female thread coupling | A1003 | 20*1/2 | 31 | 600 |
| 20*3/4 | 32 | 560 | ||
| 20*1 | 37 | 460 | ||
| 25*1/2 | 47 | 375 | ||
| 25*3/4 | 49 | 360 | ||
| 25*1 | 53 | 330 | ||
| 32*1/2 | 76 | 240 | ||
| 32*3/4 | 77 | 220 | ||
| 32*1 | 79 | 210 | ||
| 32*11/4″ | 86 | 192 | ||
| 40*1 | 109 | 192 | ||
| 40*11/4 | 112 | 130 | ||
| 40*11/2″ | 125 | 120 | ||
| 50*1″ | 185 | 80 | ||
| 50*11/4 | 193 | 80 | ||
| 50*11/2″ | 200 | 80 | ||
| 50*2″ | 206 | 80 | ||
| 63*11/4 | 294 | 48 | ||
| 63*11/2 | 304 | 48 | ||
| 63*2 | 305 | 42 | ||
| 75*2″ | 481 | 27 | ||
| 75*21/2″ | 496 | 24 | ||
| 75*3″ | 560 | 24 | ||
| 90*21/2″ | 720 | 14 | ||
| 90*3″ | 775 | 14 | ||
| 90*4″ | 848 | 14 | ||
| 110*3″ | 1254 | 8 | ||
| 110*4″ | 1264 | 8 |
FEATURES
1. Light weight, easy to load and unload
2. Good chemicals and drugs resistance
3. Small resistance to fluidity
4. Strong mechanical strength
5. Good electrical insulation
6. Water quality unaffected
7. Simple installation
APPLICATION
1. Structure Engineering
2. Water supply system
3. for Agriculture Irrigation
Main Products
View more products,you can click products keywords…
| PPR Pipe | PPR Fitting |
| PP Union Ball Valve | PP Compression Fitting |
| Clamp Saddle | Solenoid Valve |
Sprinkler |
PVC Ball Valves |
Company Profile
OTHER DETAIL SERVICES FOR YOU
1.Any inquiries will be replied within 24 hours.
2.Professional manufacturer.
3.OEM is available.
4.High quality, standard designs,reasonable&competitive price,fast lead time.
5.Faster delivery: Sample will be prepared in 2-3 days.
6.Shipping: We have strong cooperation with DHL,TNT,UPS,MSK,China Shipping,etc.
FAQ
1.What is your MOQ?
Our MOQ is usually 5 CTNS for size from 20-50mm.
2.What is your delievery time?
The time of delievery is around 30-45days.
3.What is your payment terms?
We accept 30% T/T in advance,70% before shipment .or 100% L/C.
4.What is the shipping port?
We ship the goods to HangZhou or ZheJiang port.
5.What is the address of your company?
Our company is located in the HangZhou, HangZhou ZHangZhoug Province,China.You are welcomed to visit our factory.
6.How about the samples?
we could send you the samples for free, and you need to pay the courier fee.
If there are too much samples, then you also need to undertake the sample fee.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Fluid Couplings in Conjunction with Electric Motors
Yes, fluid couplings can be used in conjunction with electric motors to provide a reliable and efficient power transmission solution. When coupled with an electric motor, the fluid coupling serves as a mechanical torque converter, enabling smooth start-ups and gradual acceleration of the driven load.
The combination of a fluid coupling and an electric motor offers several advantages:
- Soft Start: When the electric motor is switched on, it accelerates gradually as the fluid coupling allows the torque to build up slowly. This soft start feature reduces mechanical stress on the driven equipment and minimizes the impact on the electrical supply, preventing voltage drops and surges.
- Overload Protection: Fluid couplings can automatically disengage when the load exceeds a certain threshold, providing overload protection to both the motor and the driven equipment. This feature helps prevent damage to the system during abrupt load changes or stall conditions.
- Vibration Damping: The fluid in the coupling acts as a damping medium, reducing vibration and shock loads during start-ups and sudden load changes. This contributes to smoother operation and extends the lifespan of the connected machinery.
- Energy Efficiency: By facilitating soft start and controlling torque transmission, fluid couplings improve the energy efficiency of the system. They reduce the inrush current during start-up, which can lead to significant energy savings in the long run.
- Variable Speed Control: In some configurations, fluid couplings can be combined with Variable Frequency Drives (VFDs) to provide variable speed control. The VFD regulates the speed of the electric motor, while the fluid coupling ensures smooth and controlled power transmission to the driven equipment.
Overall, the combination of a fluid coupling with an electric motor is a versatile solution that finds applications in various industries. It allows for reliable and controlled power transmission, protecting both the motor and the driven equipment while improving system efficiency.
Temperature Limitations of Fluid Couplings
Fluid couplings, like any mechanical component, have temperature limitations that must be considered to ensure their proper and safe operation. The temperature limitations of fluid couplings are influenced by the type of fluid used inside the coupling, the ambient operating conditions, and the specific design and construction of the coupling.
The primary concern regarding temperature is the heat generated during the operation of the fluid coupling. The heat is a result of friction and fluid shear within the coupling as it transmits power between the input and output shafts. Excessive heat generation can lead to the degradation of the fluid, affecting the performance and longevity of the coupling.
As a general guideline, most fluid couplings are designed to operate within a temperature range of -30°C to 80°C (-22°F to 176°F). However, the actual temperature limitations may vary depending on the manufacturer and the application requirements. For specific industrial applications where high-temperature environments are common, fluid couplings with higher temperature tolerances may be available.
It is crucial to consider the operating environment and the power demands of the machinery when selecting a fluid coupling. In applications with extreme temperatures, additional cooling mechanisms such as external cooling fins or cooling water circulation may be employed to maintain the fluid coupling within its safe operating temperature range.
Exceeding the recommended temperature limits can lead to premature wear, reduced efficiency, and even mechanical failure of the fluid coupling. Regular monitoring of the operating temperature and following the manufacturer’s guidelines for maintenance and fluid replacement can help ensure the longevity and reliability of the fluid coupling.
Always consult with the manufacturer or a qualified engineer to determine the specific temperature limitations and suitability of the fluid coupling for your particular application.
What is a Fluid Coupling and How Does It Work?
A fluid coupling is a type of hydraulic device used to transmit torque and power between two shafts without direct mechanical contact. It consists of three main components: the impeller, the turbine, and the housing. Fluid couplings are commonly used in various industrial applications, such as heavy machinery, conveyors, and automotive drivetrains.
Working Principle: The fluid coupling operates based on the principle of hydrodynamic power transmission. It uses a hydraulic fluid (usually oil) to transfer torque from the driving shaft (input) to the driven shaft (output).
1. Impeller: The impeller is mounted on the input shaft and is connected to the prime mover (e.g., an electric motor or an engine). When the prime mover rotates the impeller, it creates a swirling motion in the hydraulic fluid.
2. Turbine: The turbine is connected to the output shaft and is responsible for transmitting the torque to the driven system. The swirling motion of the hydraulic fluid generated by the impeller causes the turbine to rotate.
3. Fluid Filling: The area between the impeller and the turbine is filled with hydraulic fluid. As the impeller rotates, it creates a vortex in the fluid, which in turn causes the turbine to rotate.
4. Fluid Coupling Working: As the impeller and turbine are enclosed in the housing, the hydraulic fluid transfers rotational energy from the impeller to the turbine without any direct physical connection. The fluid coupling allows some slip between the impeller and the turbine, which enables smooth torque transmission, dampens shock loads, and provides overload protection.
5. Slip: Under normal operating conditions, there is a slight speed difference (slip) between the impeller and the turbine. This slip allows the fluid coupling to absorb shock loads and dampen vibrations, protecting the connected machinery from sudden jolts and overloads.
Fluid couplings are advantageous in applications where a gradual start-up and controlled acceleration are required. They provide a smoother and more flexible power transmission compared to direct mechanical couplings like gear couplings or belt drives.
However, it’s important to note that fluid couplings have some energy loss due to the slip, which can result in reduced efficiency compared to direct mechanical couplings like gear couplings or belt drives.
editor by CX 2024-05-09