In-Line BSPP Check Valves

This valve is used to hydraulically lock a cylinder or component by preventing a return flow.

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Cracking Pressure

Spring Code No.

0.35 bar


1.00 bar


2.00 bar


4.50 bar


Add spring code number to end of code for different cracking pressures, eg. HSP600-10-5

An optional orifice of alternative diameters is available for restricted return flow. The poppet valve unseats against a spring to permit free flow in one direction. As flow stops, the poppet valve reseats to prevent return flow thereby locking the load. A restricted return flow is dependent on the diameter of the optional orifice in the poppet.