Directional servo valve with mechanical position feedback
4WS2EM= Directional servo valve, 4-way version, 2-stage, with mechanical feedback, for external control electronics, electrically operated
10 = Size 10
51 = Component series 50 … 59 (50 … 59: unchanged installation and connection dimensions)
20 = 20 l/min
B =Control sleeve exchangeable
11 = Valve for external control electronics; coil no. 11 (30 mA/85 Ω per coil)
ET= Internal pilot oil supply, internal pilot oil return
315 = 10 … 315 bar
K31 = Without mating connector; connector
E =0 … 0.5% negative
V = FKM seals
100 = The channels P → B and A → T are open 10% of the nominal quantity without control (de-energized state)