Inline Check Valve 3/4 UNF Female/Female S.A.E. O Ring


This valve is used to hydraulically lock a cylinder or component by preventing a return flow. 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. The ports are S.A.E ‘O’ Ring female type both ends.

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Closing Flow TBC
Seal Type
Cracking Pressure 0.35-4.5 bar. Please specify code number from the PDF file. Add spring code number to end of code for different cracking pressures, eg. HSP1001-8-5
Flow Rate 68 l/min
Pipe Length
Pressure Range
Material Steel