Bosch Rexroth | 4WS2EM6-2X10B11ET315K17EV
4WS2EM6-2X/10B11ET315K17EV
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The 4WS2EM6-2X/10B11ET315K17EV servo valve is produced by Bosch Rexroth in the 4WS Servo Valves series. It meters hydraulic flow and pressure to cylinders or motors for precise closed-loop control in automation lines. Nominal size 6 galleries handle a rated flow of 10 l/min at 70 bar, suited to compact power units. The assembly tolerates a supply pressure as low as 10 bar and safely operates up to 315 bar, allowing the same valve to run low-pressure standby circuits and high-pressure work strokes. A B-type spool with negative overlap opens ports immediately on command to limit deadband. Subplate mounting together with the ISO 4401-03-02-0-05 port pattern speeds replacement without pipe changes. Internal pilot supply and internal pilot return further reduce external tubing.
The electrical section employs an 85 ohm coil that reaches full stroke at a rated current of 30 mA, keeping amplifier heat dissipation low while maintaining repeatable actuation. Connection is made through the K17 interface, supplied without a connector so the installer can match site wiring standards. A molded housing with an IP65 protection class shields the torque motor from dust ingress and water jets common on factory floors. Chemical compatibility is enhanced by FKM seal material, which withstands hot mineral oil and many synthetic blends. Total mass is 1.1 kg, permitting single-hand installation and minimizing manifold stress during rapid axis movements.
Technical Specifications
Coil Resistance
85 ohm
Electrical Connection
K17 (without connector)
Max Operating Pressure
315 bar
Min Supply Pressure
10 bar
Mounting
Subplate
Nominal Size
6
Pilot Return
Internal
Pilot Supply
Internal
Port Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Rated Coil Current
30 mA
Rated Flow
10 l/min (70 bar)
Seal Material
FKM
Spool Overlap
E (negative)
Spool Type
B
Weight
1.1 kg
1620 Old Apex Road
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