Hyvair cartridge pilot check valve LPC-10-3.4, 10 GPM, 3000 PSI, NPT port, 1/4 inch. — islandhydraulicsupply.com

Pilot Check Valves

Cartridge pilot check valves allow free flow in one direction and require a pilot pressure signal to open in the reverse direction. These valves lock cylinders and motors in position under load and release only when a deliberate pilot signal is applied, preventing drift and uncontrolled movement in holding circuits.

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