Bosch Rexroth | 4WE6W73-6XEG96N9K4A12B12
4WE6W73-6X/EG96N9K4/A12B12
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The 4WE6W73-6X/EG96N9K4/A12B12 directional spool valve is manufactured by Bosch Rexroth as part of the WE Directional Spool Valves series. It routes hydraulic oil between pressure, actuator, and tank lines in automated machinery. The nominal size 6 body fits compact manifolds, while a mounting face that follows ISO 4401-03-02-0-05 aligns with standard NG6 subplates. Electrical actuation is supplied by a 96 V DC coil that draws 0.33 A and consumes 30 W during operation. Continuous energization is allowed because the coil carries a 100 % ED duty rating. Wiring is completed through a DIN EN 175301-803 K4 connector, and the sealed assembly provides IP65 protection against dust and water jets. A concealed manual override labeled N9 permits mechanical shifting when electrical power is unavailable. With two solenoids installed, the valve weighs 1.95 kg.
The hydraulic section tolerates 350 bar on ports P, A, and B, making the unit suitable for high-pressure circuits, while the tank port withstands 210 bar. A maximum flow capacity of 80 l/min lets the valve control medium-size actuators without excessive pressure drop. Switching damping option A12 slows spool movement to reduce fluid shock during directional changes. Stability is further improved by a throttle insert with a 1.2 mm orifice in port P, identified by code B12, which moderates inlet flow and suppresses pressure surges when the valve shifts. These hydraulic features enable reliable flow direction and pressure management in automated systems that require consistent performance under demanding conditions.
Technical Specifications
Coil Nominal Voltage
96 V DC
Duty Cycle
100% ED
Electrical Connection
DIN EN 175301-803 (K4)
Ip Rating (k4)
IP65
Manual Override
Concealed (N9)
Max Operating Pressure (p/a/b)
350 bar
Max Tank Port Pressure (t, Dc)
210 bar
Maximum Flow (dc)
80 l/min
Nominal Power (dc)
30 W
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (96 V Dc)
0.33 A
Switching Damping
A12
Throttle Insert
Port P Dia 1.2 mm (B12)
Weight (2 Solenoids)
1.95 kg
1620 Old Apex Road
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