Hyvair pilot operated relief valve POR20-12FP-3K, 12 GPM, 3000 PSI, 1/2" NPT port. — islandhydraulicsupply.com

Pilot Operated Relief Valves

Pilot operated relief valves protect hydraulic systems from overpressure by using a small pilot stage to control a larger main poppet. This two-stage design provides more stable pressure regulation and handles higher flow rates than direct-acting relief valves, making pilot operated models the standard for main system relief.

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