Function and usage:

These valves are used to control flow in one direction. In the other direction, the flow is free. The quantity of oil depends on the oil pressure, temperature and viscosity. These valves do not have a pressure compensator.

Material and characteristics:

Body: galvanized steel
Inner parts: hardened and ground steel
Seals: BUNAN standard
Tightness: Depending on the size, minimum leaks of the closed valve


Connect V to the pressure source C to the appliance. The flow rate is adjustable in the C to V direction and free in the reverse direction. The flow is controlled by turning the external ring, clockwise to increase the flow and vice versa to control the flow. When the flow rate is set, the valve is locked in the required position.

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