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Directional servo-valves


Directional servo-valves are hydraulically pilot operated 2-stage or 3-stage directional valves. Because of their high dynamics they are used predominantly for the closed-loop controls of position, force or pressure, and velocity. Bosch Rexroth hydraulic servo-valves lead in controlling pressure, flow or position.


Directional servo-valves in 4-way variant

4WS.2E...

  • Size 6
  • Component series 2X
  • Maximum operating pressure 315 bar
  • Maximum flow 48 l/min

Directional servo-valves, with mechanical position feedback

4WS2EM 6…XN

  • Size 6
  • Component series 2X
  • Maximum operating pressure 315 bar
  • Maximum flow 48 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 3G; II 3D
  • Type of protection:
    – Ex nA II T5X according to EN 60079-0 / EN 60079-15
    – Ex tD A22 IP 65 TX according to EN 61241-0 / EN 61241-1

Directional servo-valves, with mechanical position feedback

4WS2EM 6…XN-100

  • Size 6
  • Component series 2X
  • Maximum operating pressure 315 bar
  • Maximum flow 48 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 3G; II 3D
  • Type of protection:
    – Ex nA II T5X according to EN 60079-0 / EN 60079-15
    – Ex tD A22 IP 65 TX according to EN 61241-0 / EN 61241-1

Directional servo-valves, with mechanical position feedback

4WS2EM 6…XN-102

  • Size 6
  • Component series 2X
  • Maximum operating pressure 315 bar
  • Maximum flow 48 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 3G; II 3D
  • Type of protection:
    – Ex nA II T5X according to EN 60079-0 / EN 60079-15
    – Ex tD A22 IP 65 TX according to EN 61241-0 / EN 61241-1

Directional servo-valves in 4-way variant

4WS.2E...

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XD

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 2G
  • Type of protection of the valve: Ex db IIC T4 Gb according to EN 60079-0 / EN 60079-1 and IEC 60079-0 / IEC 60079-1

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XD...-100

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 2G
  • Types of protection of the valve: Ex db IIB T4 Gb acc. to EN 60079-0 / EN 60079-1 and IEC 60079-0 / IEC 60079-1

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XH

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 1G
  • Type of protection: Ex ia IIC T4 Ga according to EN 60079-0 / EN 60079-11

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XH...-100

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 1G
  • Type of protection: Ex ia IIC T4 Ga according to EN 60079-0 / EN 60079-11

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XH...-102

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 1G
  • Type of protection: Ex ia IIC T4 Ga according to EN 60079-0 / EN 60079-11

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XH...-104

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 1G
  • Type of protection: Ex ia IIC T4 Ga according to EN 60079-0 / EN 60079-11

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XN

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 3G; II 3D
  • Type of protection:
    – Ex nA II T5X according to EN 60079-0 / EN 60079-15
    – Ex tD A22 IP 65 TX according to EN 61241-0 / EN 61241-1

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XN...-100

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 3G; II 3D
  • Type of protection:
    – Ex nA II T5X according to EN 60079-0 / EN 60079-15
    – Ex tD A22 IP 65 TX according to EN 61241-0 / EN 61241-1

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XN...-102

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 3G; II 3D
  • Type of protection:
    – Ex nA II T5X according to EN 60079-0 / EN 60079-15
    – Ex tD A22 IP 65 TX according to EN 61241-0 / EN 61241-1

Directional servo-valves, with mechanical position feedback

4WS2EM 10…XN...-114

  • Size 10
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 180 l/min
  • Area of application in accordance with the Explosion Protection Directive 2014/34/EU: II 3G; II 3D
  • Type of protection:
    – Ex nA II T5X according to EN 60079-0 / EN 60079-15
    – Ex tD A22 IP 65 TX according to EN 61241-0 / EN 61241-1

Directional servo-valves in 4-way variant

4WS(E)2E. 16

  • Size 16
  • Component series 2X
  • Maximum operating pressure 315 bar
  • Maximum flow 320 l/min

Directional servo-valves in 4-way variant

4WSE3E 16

  • Size 16
  • Component series 2X
  • Maximum operating pressure 350 bar
  • Maximum flow 570 l/min

Directional servo-valves in 4-way variant

4WSE3E 25

  • Size 25
  • Component series 3X
  • Maximum operating pressure 350 bar
  • Maximum flow 1020 l/min

Directional servo-valves in 4-way variant

4WSE3E 32

  • Size 32
  • Component series 5X
  • Maximum operating pressure 315 bar
  • Maximum flow 1800 l/min


Subject to change, status 2018-05-09 01:13:46