Bosch Rexroth | 4WSE2EM6-2X10B9ET315K17EV
4WSE2EM6-2X/10B9ET315K17EV
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The 4WSE2EM6-2X/10B9ET315K17EV servo valve belongs to the 4WS Servo Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation. It accepts a ±10 V command signal to shift the spool proportionally, while an input resistance of at least 58 kΩ minimizes the loading on the controller output stage. The electronics are powered by a ±15 V supply voltage, and the K17 electrical connection locates the required mating plug. With IP65 protection when that connector is fitted, the valve endures dust and water spray in typical machine environments. Hysteresis is held to 1.5 percent or less so the commanded flow can be repeated accurately, and the range of inversion is limited to 0.2 percent to keep the null point stable. The hydraulic circuit must meet an oil cleanliness of ISO 4406 (c) 18/16/13 to prevent spool wear and maintain dynamic behavior.
The valve provides a nominal flow of 10 l/min at a 70 bar differential pressure, giving predictable actuator speed for moderate-sized cylinders. A maximum operating pressure rating of 315 bar supports use in high-pressure supply lines without derating. Subplate mounting lets technicians replace the unit quickly, and the ISO 4401-03-02-0-05 porting pattern aligns with standard manifolds for size 6 hardware. Pilot oil is taken and returned internally, eliminating external pilot lines and reducing leak points. FKM seal material tolerates elevated temperatures and common hydraulic media, extending service life. The size 6 designation also fixes the flow galleries to the industry pattern described above, while a weight of 1.1 kg keeps handling simple during installation and maintenance.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 18/16/13
Command Signal
±10 V
Electrical Connection
K17
Hysteresis
≤1.5%
Input Resistance
≥8 kΩ
Max Operating Pressure
315 bar
Mounting Type
Subplate
Nominal Flow
10 l/min (Δp 70 bar)
Pilot Oil
Internal Supply and Drain
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65 (with mating connector)
Range Of Inversion
≤0.2%
Seal Material
FKM
Size (ng)
6
Supply Voltage
±15 V
Weight
1.1 kg
1620 Old Apex Road
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