Bosch Rexroth | 4WEH16E7X6EW110N9EK4B10P4-5
4WEH16E7X/6EW110N9EK4/B10P4 5
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The 4WEH16E7X/6EW110N9EK4/B10P4 5 valve is manufactured by Bosch Rexroth for the WEH Directional Spool Valves series and serves to route hydraulic flow in automated machinery. It is built to nominal size NG16, giving it port dimensions suited to medium-capacity circuits. The internal element uses a spool designated E. When this spool is installed, the directional valve accommodates up to 300 l/min. Ports P, A, and B withstand operating pressures as high as 280 bar. Subplate mounting makes the body compatible with standardized manifolds. The interface follows the ISO 4401-07-07-0-05 porting pattern. Four M10 × 60 screws specified in ISO 4762 secure the valve, and each screw is tightened to 58 Nm.
Pilot operation can be supplied with pressures up to 250 bar. A spring-centered shift requires at least 14 bar pilot pressure to move the spool. Each switching cycle consumes 5.72 cm³ of pilot oil. Flow to the pilot stage can be restricted by a 1.0 mm throttle insert identified as B10. Hydraulic fluid cleanliness must meet class 20/18/15 per ISO 4406. Electrical energizing is provided through a DIN EN 175301-803 K4 connector. With two solenoids attached, the assembled valve weighs 8.9 kg.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Electrical Connection
DIN EN 175301-803 (K4)
Max Flow (spool E, Ng16)
300 l/min
Max Operating Pressure (p,a,b)
280 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (spring-centered)
14 bar
Mounting Screw Torque
58 Nm
Mounting Screws
4x M10 × 60 (ISO 4762)
Mounting Type
Subplate Mounting
Nominal Size
NG16
Pilot Volume Per Switch
5.72 cm3
Porting Pattern
ISO 4401-07-07-0-05
Spool Symbol
E
Throttle Insert
1.0 mm (B10)
Weight (two Solenoids)
8.9 kg
1620 Old Apex Road
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