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Check Valve, Pilot Operated
Check Valve, Pilot Operated
Pilot operated check valve with puppet and decompression having internal drain; for threaded connection and for subplate mounting; and cracking pressure can be selected. NRP type valves are pilot operated puppet valves, A to B is free flow and B to A flow is possible if pilot pressure is connected to X port; when X gets pressure, spool moves and opens pilot puppet, which allows flow from B to A; and when spool moves further it opens the main puppet and full flow from B to A is possible. These are available in sizes 10, 20 and 30; pressure 315 bar; and flow 80 to 320 LPM. Temperature up to 80°C; hydraulic fluid mineral oil; viscosity 2.8 to 300 cst; and flow 80, 160 and 320 LPM respectively for size 10, 20 and 30.