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Motion Control Valves

Motion Control Valves are used to prevent run away conditions in cylinder and motors. They are used as load holding and load safety valves, specifically in cylinders. Typical uses being pick and carry cranes or boom cranes and man lifts. These are zero leak valves and the load remains in the position for a substantially long time. Many of the motion control valves have an in-built relief valves which also relieve thermal shocks due the temperature changes.

Overcentre Valve   Dual Overcentre Valve
Overcentre valves give static and dynamic control of loads by regulating the flow out of hydraulic actuators. They are basically pilot assisted relief valves with a reverse free flow check. When installed close to or within an actuator, the Overcentre valve will stop runaway in the event of a hose burst and provide thermal relief of the hydraulic fluid. The cartridge is ideal for mounting directly into a cavity machined in the body of the actuator. The cartridge can also be mounted as a valve or into a Hydraulic Integrated Circuit. Single Overcentre valves are normally used when the load is unidirectional, for example a crane or scissor lift.

  Overcentre valves give static and dynamic control of loads by regulating the flow out of hydraulic actuators. They are basically pilot assisted relief valves with a reverse free flow check. When installed close to or within an actuator, the Overcentre valve will stop runaway in the event of a hose burst and provide thermal relief of the hydraulic fluid. The cartridge is ideal for mounting directly into a cavity machined in the body of the actuator. The cartridge can also be mounted as a valve or into a Hydraulic Integrated Circuit. Dual Overcentre valves are used for controlling loads in both directional for motor applications or for cylinders going over centre.

 
Specifications:   Specifications:
  • Rated Flow: upto 300 lpm
  • Maximum Pressure: 350 bar
  • Manifold Material: Aluminium/Cast Iron
  • Working Parts: Hardened and ground steel
  • External Surface: Zinc plated surfaces
  • Leakage: 0.3 millilitres/min (5 dpm) @ 280bar

  •  
  • Rated Flow: upto 300 lpm
  • Maximum Pressure: 350 bar
  • Manifold Material: Aluminium/Cast Iron
  • Working Parts: Hardened and ground steel
  • External Surface: Zinc plated surfaces
  • Leakage: 0.3 millilitres/min (5 dpm) @ 280bar

  •  
    Features:   Features:
  • Load Holding due to "Zero-Leak" sealing
  • Load Control possible due to metering of flow
  • Designed to prevent uncontrolled movement of load
  • Rust preventive Zinc plating
  • Satinless steel bodies for off shore application

  •  
  • Load Holding due to "Zero-Leak" sealing
  • Load Control possible due to metering of flow
  • Designed to prevent uncontrolled movement of load
  • Internal Pilot reduces piping and fittings

  • Typical Application:   Typical Application:
    Winch circuits, Pick and Carry cranes, Excavators, Scissor Lifts, Fork Lifts, Tipper trailers and Machine Tools.   Manlifts or Aerial platforms going over centre, Wheel motors, Traction Motors.

     

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