IPC12-30 Pilot-to-Open Check Valve (Dual-Pilot-Operated)

The IPC12-30 dual pilot operated check valves are advanced valves designed for fluid control applications. They feature a pilot-operated mechanism that allows for precise control and reliable operation. With their high-pressure capacity and efficient design, they are ideal for industries requiring accurate and responsive fluid control in demanding environments.

Specifications of IPC12-30 Dual Po Check Valve, Pilot-to-Open (Dual-Pilot-Operated)

Product Model	IPC12-30 CHECK VALVE, PILOT-TO-OPEN (DUAL-PILOT-OPERATED)
Maximum Pressure	420 bar (6000 psi) at port ①; 350 bar (5100 psi) at port ②&③
Flow	90 lpm (24 USGPM)
Internal Leakage
Pilot Ratio	Pressure reducing:25:1; Free flow:3:1
Standard Bias Springs at Crack
Temperature	-40°℃～120°C
Fluids	Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 ssu).Installation: No restrictions
Cavity	IVC12-3A,See page 303

Material

Cartridge	Weight: 0.243kg. (0.54 lbs.); Steel with hardened work surfaces. Zinc-plated exposed surfaces.
Seal	O-rings and back-up rings.

Features of IPC12-30 Dual Pilot Valve, Pilot-to-Open (Dual-Pilot-Operated)

Operation Symbol of IPC12-30 Check Valve, Pilot-to-Open (Dual-Pilot-Operated)

The IPC12-30 allows flow from② to①, while normally blocking oil flow in the opposite direction. A small amount of flow will pass from① to② when sufficient pressure is applied at③, to reduce the load pressure at port①, and the required pilot pressure to unlock the main stage will decrease with the reduction of load pressure, which allows the flow from①to② completely with sufficient pilot pressure.

The cartridge has a 25:1 pressure reducing ratio and a 3:1 pilot ratio. The check is spring-biased to assure holding in static or no-load conditions.

Note: The pilot pressure will 1:1 increase upon the back pressure on port② during calculating.

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