High Pressure Needle Valves , Threaded Connection Restrictive Check Flow Control Valve

Threaded connection restrictive check valve AL 50 , Flow control valve series The AL threaded connection restrictive check valve is a restrictive check valve composed of a check valve and a seially linked restrictive valve. Its function is to allow flow to pass in one direction at a rate controlled by the restrictive valve and any reverse flow is shut off without leakage. This valve is widely used in oil motor loops where it only allows one flow and shuts off the opposite