Bosch Rexroth Proportional Directional Valves 4WRKE27

Bosch Rexroth High-response Proportional Directional valves, Pilot Operated with On-board Electronics (OBE) 4WRKE

• Size 10 to 35
• Component series 3X
• Maximum operating pressure 350 bar
• Maximum flow 3,000 l/min

Features:

• Pilot operated 2-stage proportional directional valve with electrical position feedback of the main control spool and integrated electronics (OBE)
• Control of flow direction and size of a flow
• Operation by means of proportional solenoids
• Subplate mounting:
  Porting pattern according to ISO 4401
• Electrical position feedback
• Spring-centered main control spool
• Pilot control valve:
  Single-stage proportional directional valve
• Main stage with position control

General Features:

The onboard electronics (OBE) has a standard 7-pin connector for command, spool feedback, and 24V power. Overlapped spools have a spring centered fail-safe position.
4WRKE is normally used for open loop applications where higher repeatability is more important, also for lift, transfer, or clamping applications.

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