Power Team 9508 4-way 3 Pos. Closed Center Manual Operated Hydraulic Pump Valve

4-Way 3-Position (closed centre) manual valves with Posi-Check

Application: Single or double-acting cylinders.

When used with single-acting cylinders, one port must be plugged. For double-acting cylinders, either port can be used to "advance" or "return."

Actuation: Lever-operated, detent positioned.

Functions: The 9508 provides "advance," "hold" and "return" positions with all ports blocked (closed centre) in the "hold" position. The 9509 has "advance," "hold" and "return" with tandem centre (cylinder ports are blocked, pump remains running). Both valves have Posi-Check feature to guard against pressure loss when shifting from "advance" to "hold."

CAUTION: To prevent sudden, uncontrolled descent of a load as it is being lowered, use a Load Lowering Valve (No. 9596) or Counter Balance Valve (No. 9720) in conjunction with the directional valve used in your application.

CAUTION: The Posi-Check feature will not hold the load when shifted directly A to B-B to A or from hold to A or B.

NOTE: Maximum tank line pressure for remote mounted valves is 500 psi.