Hydraulic Pilot to Open Check Valves
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Buy hydraulic pilot to open check valves from Grainger. All valves are rated for 10,000 psi operating pressure and feature NPFT porting to insure against leakage at rated position. Needle valves provide control for cylinder speed and can be used as shutoff valve for temporary holding. Manually operated check valves improve safety in load-holding applications. When closed, oil is allowed into cylinder but not back to pump.