Hydraulic Proportional – Servo Solenoid – Pilot Operated

Main stage has proportional spool in cast housing

Pilot stage has sleeve/spool (4WRPEH)

Nominal Flow rated at 10 bar ?p for pilot operated Servo Solenoid valves

E, W, V, Q4-spools like proportional

V-spool at spring-center has 1 to 6% offset P-to-B

Failsafe of pilot (C3) allows main spool to spring center


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