Pilot Operated, Model 4 WRZ

Size 10 to 32         5100 PSI         740.0 GPM

Rexroth_Prop Dir Valve_4WRZ10
  • Hysteresis ≤6%
  • Repeatability ≤3%
  • Mounts on standard D05, D07, D08, D10 subplates
  • Spool types: E, EA, W, WA

 

General Description
Proportional directional control valve Model 4 WRZ is a pilot operated, twostaged, spool valve. It controls the direction and quantity of flow to an actuator, for smooth acceleration to a desired velocity. The valve is normally operated by the appropriate amplifier card. For more information, refer to Bosch Rexroth Data Sheet RA 29 113. 

 

Pilot Operated, Model 4 WRK with Feedback
Model 4 WRKE Feedback with Integrated Electronics

Size 10 to 35          4600 PSI          740.0 GPM

Rexroth_Pro Solenoid Valve_WRKE
  • Hysteresis ≤1%
  • Repeatability ≤0.5%
  • Mounts on standard D05, D07, D08, D10 subplates
  • Integral electronics (4 WRKE)
  • High Response Time
  • Spool types: E, Q, W

 

General Description
Control valves Model 4 WRK and 4 WRKE are pilot operated 2-stage proportional directional valves. They control the direction and quantity of flow to an actuator, for smooth acceleration to a desired velocity. The main stage is under closed loop control so that even at high flow, the spool position is maintained independently of the high flow forces that occur. The valve is normally operated by the appropriate amplifier card, or by the integrated electronics. For more information, refer to Bosch Rexroth Data Sheet RA 29 074.

 

Pilot Operated, Model 4 WRTE with Feedback and Integrated Electronics

Size 10 to 32         5100 PSI         422.0 GPM

Rexroth_Pro Dir Valve_4WRTE
  • Hysteresis ≤1%
  • Response sensitivity ≤0.5%
  • Mounts on standard D05, D07, D08, D10 subplates
  • Integral electronics (4 WRKE)
  • Suitable for controlling position, velocity, pressure and force
  • Spool types: E, V, Q, W

 

General Description
Model 4 WRTE is a pilot operated 2-stage proportional directional valve. It controls the direction and quantity of flow to an actuator, for smooth acceleration to a desired velocity. The main stage is under closed loop control so that even at high flow, the spool position is maintained independently of the high flow forces that occur. The valve is normally operated by the integrated electronics. For more information, refer to Bosch Rexroth Data Sheet RA 29 081.

 

 

Servo Pilot Operated, Model 4 WRD
Model 4 WRDE with Integrated Electronics

Size 10 to 35          5100 PSI          740.0 GPM

Rexroth_Pro Dir Valve_4WRDE10
  • Hysteresis ≤1%
  • Repeatability ≤0.5%
  • Electrical feedback on main spool
  • Mounts on standard D05, D07, D08, D10 subplates
  • Integral electronics (4 WRDE)
  • Excellent metering capabilities due to V notched spool
  • Models for pressure, flow, speed and position control
  • Spool types: E, V, Q, W

 

General Description
Servo pilot operated proportional directional control valves, Models 4 WRD and 4 WRDE are electronically operated 3-stage proportional directional valves. They control the start, stop, direction and quantity of flow to an actuator, for smooth acceleration to a desired velocity. The main stage is under closed loop control so that even at high flow, the spool position is maintained independently of the high flow forces that occur. The valve is normally operated by the integrated electronics, or the appropriate amplifier card. For more information, refer to Bosch Rexroth Data Sheet RA 29 091.