A valve of versatile design, superb performance and numerous control options. Available in Body ported, Subbase, Stacking and Manifold mounted configurations. Bonded, precision ground spool resists wear and provides excellent shift response. 5 Control options available; Solenoid/Spring, Double Solenoid, Solenoid/Pilot, Pilot/Spring and Double Pilot. Optional external solenoid supply allows operation for vacuum service and low pressure applications.