Bosch Rexroth 4/2 and 4/3 Direct Operated Proportional Directional Valves without Electrical Position Feedback, with Integrated Electronics (OBE) 4WRAE

• Component series 2X
• Size 6, 10
• Maximum operating pressure 315 bar
• Maximum flow 42 l/min (size 6)
• Maximum flow 75 l/min (size 10)
• For subplate mounting
• Explosion-proof also available
• Sea water resistant also available

Features:

• Control the direction and magnitude of a flow
• Actuation by means of proportional solenoids with central thread and removable coil
• For subplate mounting:
  Connection position to ISO 4401 Subplates to catalogue sheets RE 45052 (NS6) or RE 45054 (NS10) separate order, see page 12 to 15
• Spring centred control spool
• Control electronics
  - 4WRAE:
• integrated electronics (OBE) with voltage input or current input (A1 resp. F1)
  - 4WRA:
• digital or analogue amplifier in Eurocard format (separate order)
• analogue module amplifier

Information on the explosion protection:

• Area of application in accordance with the Explosion Protection Directive 94/9/EC: II 2G
• Type of protection of the valve solenoid:
  Ex e mb IIC T4 Gb according to
  EN 60079-7:2007/EN 60079-18:2009

Special features of sea water-resistant valves:

• The exterior of the valve housing is galvanically coated.
• The seawater-resistance is defined by "J" in the ordering code.

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