China manufacturer Industrial Fan Adjust Speed Hydraulic Fluid Coupling

Product Description

Industrial Fan Adjust Speed Hydraulic Fluid Coupling


Hydraulic coincidence machines which are series of products of extensively applied to steel plant, power plant, mine, etc.. After matching with belt machine, grinding machine and machineries that at odds with the community, such as air blower and water pump, hydraulic coincidence machines have the fine characteristics of flexible transmission and isolated and sprain shaking. In addition to that they can economize on electricity in a large amount and they are the energy-conserving product that the country popularized especially.

Our products range:

+YOTCGP series Variable speed fluid coupling
+YOTCG series Variable speed fluid coupling
+YOTCHP series Variable speed fluid coupling
+YOTCHZ series Variable speed fluid coupling
+YOTCQ series Variable speed fluid coupling
+YOTCHF series Variable speed fluid coupling
+Constant fluid coupling, such YOX, TVA series.

Sample Product Photos:

Feature of Technique:

1.Maximum output speed * in the type No. should be specified in order.
2.The rated slip is 1.5-3%.The maximum total mechanical efficiency>=95%.
3..For centrifugal machine-gal with load characteristics of  M a n2 .step less speed regulation over range of 1-1/5 is available.
For constant torque drives with M=C a range of 1-1/3 may be provided.
4.All of these are supported can by rolling bearing or sliding bearing.

YOTCGP TYPE Variable Speed Hydraulic Fluid Coupling Specification:

type input rotational speed (r/min) rotation power (kw)
YOTCGP500 1000 20~65
1500 65~210
3000 550~1600
YOTCGP560 1000 35~105
1500 115~340
3000 950~2740
YOTCGP580 1000 35~105
1500 115~410
3000 950~3250
YOTCGP600 750 20~65
1000 50~150
1500 170~500
YOTCGP650 750 30~95
1000 70~220
1500 240~700
YOTCGP700 750 45~135
1000 110~320
1500 350~1000
YOTCGP750 600 30~100
750 60~190
1000 145~460
1500 490~1420
YOTCGP800 600 45~130
750 80~250
1000 200~580
1500 610~1960
YOTCGP875 600 70~200
750 130~410
1000 310~910
1500 1060~3060
YOTCGP920 600 110~330
750 230~675
1000 400~1170
YOTCGP1000 600 130~500
750 250~1571
1000 615~1770
YOTCGP1050 500 125~365
600 220~640
750 400~1150
1000 780~2260
YOTCGP1150 500 180~710
600 310~1250
750 640~1860
1000 1500~4400
YOTCGP1250 500 300~870
600 530~1535
750 790~2280
YOTCGP1320 500 395~1142
600 695~2015
750 1030~2990

Details Photos of YOTCGP Variable Speed hydraulic fluid coupling:

Production Equipment Photos:

Package and Delivery:

Mainly Cooperation Customer:

Raw material yard, ore beneficiation, sinter plant and pellet, coke oven plant, iron making plant, steel making plant.

Successful Projects Feedback:

Note: We also accept the repair work projects, and provide spare parts for variable speed fluid coupling. 
If you have any related projects need our proposal, feel free to contact us.

fluid coupling

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.

fluid coupling

Fluid Coupling’s Handling of Load Changes during Operation

Fluid couplings are designed to efficiently handle changes in load conditions during operation, providing smooth and controlled power transmission. Here’s how fluid couplings accomplish this:

1. Torque Sensing: Fluid couplings are torque-sensitive devices. As the load on the driving side varies, the torque transmitted through the fluid coupling adjusts accordingly. When the load increases, the fluid coupling allows for some slip between the input and output sides, absorbing the excess torque. Conversely, when the load decreases, the fluid coupling reduces slip and transmits more torque, accommodating the new load conditions.

2. Load Distribution: In multi-drive systems, fluid couplings help to distribute the load evenly among connected equipment. When one machine experiences a higher load, the fluid coupling redistributes torque to prevent overloading of a specific component, ensuring a balanced power distribution.

3. Smooth Power Transmission: Fluid couplings offer a smooth and gradual transmission of power, even during load changes. Unlike mechanical clutches or direct couplings, fluid couplings provide a dampening effect, reducing shock loads and torsional vibrations when the load fluctuates. This minimizes stress on the connected machinery and enhances overall system reliability.

4. Soft Start and Stop: One of the significant advantages of fluid couplings is their ability to facilitate soft start and stop operations. During startup, the fluid coupling allows for controlled slip, gradually increasing the speed of the driven equipment. Similarly, during shutdown, the fluid coupling smoothly decelerates the connected machinery, preventing sudden stops that could cause damage or excessive wear.

5. Overload Protection: In situations where the load surpasses the rated capacity, the fluid coupling acts as an overload protector. By slipping and absorbing excess torque, it prevents damage to the connected equipment and the fluid coupling itself. This overload protection contributes to the safety and longevity of the entire system.

6. Automatic Adjustment: Fluid couplings automatically adjust to variations in load conditions without the need for manual intervention. This feature makes them suitable for applications with changing load demands, such as conveyors, crushers, pumps, and fans.

Overall, the ability of fluid couplings to handle changes in load conditions ensures stable and efficient power transmission while protecting the machinery from abrupt stress and wear. This makes fluid couplings an excellent choice for various industrial applications that require reliable and flexible power transfer.

fluid coupling

Applications of Fluid Couplings in Industrial Machinery

Fluid couplings are widely used in various industrial machinery and equipment due to their unique characteristics and benefits. Some common applications include:

  • Conveyors: Fluid couplings are used in conveyor systems to provide smooth start-ups and overload protection. They help in preventing damage to the conveyor belts and equipment during sudden starts and stops.
  • Pumps: Fluid couplings are employed in pumps to control the acceleration and deceleration of the pump impeller. This ensures a gradual and controlled flow of fluids, reducing water hammer and pressure surges.
  • Fans: Industrial fans often use fluid couplings to regulate fan speed and avoid abrupt changes in airflow, which can cause mechanical stress and system instability.
  • Mining Equipment: Fluid couplings are used in mining machinery, such as crushers and conveyors, to protect the drivetrain from shock loads and to enhance equipment reliability.
  • Marine Propulsion Systems: In marine applications, fluid couplings are used in propulsion systems to provide smooth engagement of the propeller, protecting the engine and transmission.
  • Power Plants: Fluid couplings are utilized in power plants for boiler feed pumps, induced draft fans, and other equipment to achieve smooth operation and prevent sudden stress on mechanical components.
  • Steel Industry: In steel mills, fluid couplings are employed in various equipment, including rolling mills and continuous casting machines, to protect the machinery and enhance productivity.
  • Automotive: Fluid couplings are used in automatic transmissions to smoothly transmit power from the engine to the wheels, allowing smooth gear changes and preventing driveline shock.
  • Wood Processing: In wood processing equipment, such as chippers and saws, fluid couplings are used to protect the equipment from shock loads and to achieve efficient power transmission.

Overall, fluid couplings play a crucial role in a wide range of industrial machinery applications, providing enhanced protection, smoother operation, and increased equipment longevity.

China manufacturer Industrial Fan Adjust Speed Hydraulic Fluid Coupling  China manufacturer Industrial Fan Adjust Speed Hydraulic Fluid Coupling
editor by CX 2023-09-08