Bosch Rexroth Proportional Directional Valves

Bosch Rexroth proportional directional valves can be used as pressure valves and flow control valves. With their integrated electronics (OBE) they reduce wiring and simplify handling whilst providing exact reproducing and a low manufacturing tolerance at the same time.

Bosch Rexroth’s high-response valves are compact and robust, offering high dynamics and closed loop accuracy in position, velocity and force control applications.

Proportional servo valves, proportional directional valves:

  • Bosch Rexroth Proportional Servo ValvesProportional directional valves, direct operated, without electrical position feedback: 4WRA(E), 4WRA 6../..XE and with: 4WRE(E)
  • Proportional directional valves, direct operated, with integrated electronics (OBE), electrical position feedback and spool position monitoring: 4WREEM
  • Proportional directional valves with integrated digital electronics and field bus interface: 4WREF
  • Proportional directional valves, direct operated, with pQ functionality: 4WREQ
  • 3/3 directional control valves, direct operated, with integrated digital axis controller (IAC-R), with pQ functionality: STW 0195, STW 0196
  • 4/3 proportional directional valves, direct operated, with wet-pin DC voltage solenoids: VEPS-10A-43
  • 2/2 proportional directional valves, direct operated (High Performance): KKDSR1, KKDSR2
  • 4/2 and 4/3 proportional directional valves, pilot-operated, without electrical position feedback: 4WRZ…XE and without/with integrated electronics (OBE): 4WRZ(E), 5WRZ(E)
  • 4/2 and 4/3 proportional directional valves, pilot operated, without electrical position feedback, with spool position display: 4WRHM, without/with integrated electronics (OBE):  4WRH, 5WRH
  • 4/2 and 4/3 proportional directional valves, pilot operated, without electrical position feedback, without/with integrated electronics (OBE), with spool position display: 4WRZ(E)M and
  • Proportional directional valves, pilot operated, with integral electronics (OBE) and electrical position feedback: 4WRKE

Bosch Rexroth proportional directional valves, direct operated:

  • 4/4 directional control valves, direct operated, with electrical position feedback: 4WRPH..2X..-750, 4WRPH 6 -2X, 4WRPH 10 -2X,
  • 4/3 directional control valves, direct operated, with electrical position feedback and integrated electronics (OBE): 4WRPE 10 -3X,
  • 4/4 directional control valves, direct operated, with electrical position feedback and integrated electronics (OBE): 4WRPEH 6 -2X, 4WRPEH 6 -3X, 4WRPEH 10 -2X, 4WRSE,
  • 4/3 and 4/4 directional control valves, direct operated, with electrical position feedback and integrated electronics (OBE): 4WRSEH
  • 4/4 directional control valves, direct operated, with integrated digital axis controller (IAC-R) and field bus interface: 4WRPNH../24C/P
  • 4/4 directional control valves, direct operated, with integrated digital axis controller (IAC-R) and clock-synchronized PROFIBUS DP/V2 (PROFIdrive profile): 4WRPNH../24F..,
  • High-response valve with integrated digital axis controller (IAC-Multi-Ethernet): 4WRPDH

Directional control vales, pilot operated:

  • 4/3 directional control valves, pilot operated, with electrical position feedback: 4WRL…-750, 4WRL.V, 4WRL.E(W),
  • 4/3 directional control valves, pilot operated, with electrical position feedback and integrated electronics: 4WRLE.V, 4WRLE.E(W), 4WRLE -4X, 4WRVE, 4WRGE, 4WRTE,
  • 4WRDE
  • 4/3 directional control valves, pilot operated, with electrical position feedback: 4WRD…XN
  • 2- and 3-way high-response cartridge valves: .WRCE…/P
  • 3/2 directional control valves, pilot operated, with inductive position transducer: 3WRCBH,
  • 3/3 directional control valves, pilot operated, with inductive position transducer and integrated control electronics (OBE): 3WRCBEE,
  • 2- and 3-way high-response cartridge valves: .WRCE…/S (size 32…50), .WRC(E)…/S (size 63…160)

Bosch Rexroth proportional directional valves (servo) are hydraulically pilot operated 2- or 3- step directional valves mainly used to control position, force or pressure:

  • Directional servo valves: 4WS(E)2EM 6, 4WS2EM 6…XN, 4WS(E)2E. 10, 4WS2EM 10…XN, 4WS2EM 10…XH, 4WS(E)2E. 16, 4WSE3E 16, 4WSE3E 25, 4WSE3E 32
  • Proportional servo valve accessories: ZDC 6, ZDC 10…32 – supply pressure compensators, direct operated, sandwich plate design and SCA 16, SCA 25, SCA 32, SCB 32 – discharge isolator pressure compensators, sandwich plate design.

Bosch Rexroth Proportional Directional Valves

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