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BARREL TYPE UNIDIRECTIONAL FLOW CONTROL VALVES

These valves are used to adjust speed of actuators in one direction; flow is free in the reverse . Pressure compensation is not provided, flow rate depends on pressure and oil viscosity.

Features

Product code
VRF
Related products

V0540
V0550
V0560
V0570
V0580
V0578
V0579

Materials

Zinc-plated steel with internal parts in hardened and ground steel

Assembly

Connect V to the supply flow and C to the actuator to be controlled. The flow is adjusted from C to V and free in the reverse direction. When used on actuators with double pilot check valves, the VRF has to be mounted between the actuator and the double pilot check valve. Flow adjustments are made by rotating the coupling: clockwise rotation increases the flow and vice versa. Once the flow has been set, tighten the lock nut in order to keep the desired setting in case of vibrations.

Seal

BUNA N standard

Leakage

by diameter combination. Minor leakage with closed valve
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