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KLCD VBCD G3/4DE-A hydraulic overcenter valve , With G1/2 G3/8 G3/4 G1/4 dual cartridge counterbalance valve

A counterbalance valve, also known as a load-holding valve or backpressure valve, is a type of hydraulic valve used to control the movement and stability of a load in a hydraulic system. It is specifically designed to hold a load in position and prevent it from free-falling or drifting due to gravitational forces or external loads.

Overcentre valves act as check valves by controlling the oil flow of hydraulic actuators. In this way, they ensure smooth, jerk-free movement and safe holding of loads. The integrated pressure relief function protects the actuator from overload and pressure spikes, ensuring long service life and optimum performance

The valve typically consists of a spring-loaded poppet or spool mechanism that controls the flow of fluid. When the actuator is extending or retracting under a load, the counterbalance valve allows fluid to enter or exit the actuator with minimal resistance, enabling smooth operation.

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