full20_32444671x386_pilotCheck

Pilot Operated Check Valve


Category: .
For use with open or tandem center valves. Permits free flow of fluid in one direction.

Application: For use with open or tandem center valves. Permits free flow of fluid in one direction.

Operation: Flow is blocked in opposite direction until pilot oil pressure is applied. This prevents the loss of pressure if the valve is inadvertently shifted or the pump line is broken. Minimum cracking pressure is 60 psi. Required pilot pressure is approximately 16% of checked system pressure.

Order No. Cylinder
Application *
Operation Valve Type Volt Advance / Return Advance / Hold Return Posi-Check® Feature Weight (lbs)
9581 S.A. & D.A. Automatic Pilot Op. Check Valve — — — — 3.8
* “S.A.” represents single-acting cylinders, “D.A.” represents double-acting cylinders
Pilot Operated Check Valve (9581) – Diagram 1
Valve In-Line Diagram (9500, 9625, 9581) – Diagram

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