Bosch Rexroth | 4WE6W73-6XEG96N9K4B12V
4WE6W73-6X/EG96N9K4/B12V
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The 4WE6W73-6X/EG96N9K4/B12V valve is manufactured by Bosch Rexroth for the WE Directional Spool Valves series. It directs hydraulic flow in automated machinery by shifting a W73 spool inside a size 6 body. Actuation is provided by a wet-pin solenoid with a detachable coil, simplifying replacement during service. The coil is designed for a nominal voltage of 96 V DC and remains stable with a ±10 percent voltage tolerance. When energized, it draws 0.33 A and dissipates 30 W, values that help designers size power supplies. Continuous energization is possible because the solenoid is rated for a 100 percent duty cycle. Electrical connection is through a K4 plug conforming to DIN EN 175301-803, allowing quick installation in control cabinets.
The housing follows the ISO 4401-03-02-0-05 porting pattern, also listed as NFPA D03, so the valve mounts directly on standardized subplates. Hydraulic performance is defined by a maximum operating pressure of 350 bar on ports P, A, and B, a tank port limit of 210 bar for direct-current service, and a permissible flow of 80 l/min. A factory-installed Ø 1.2 mm throttle insert in pressure port P moderates flow surges entering the circuit. A concealed manual override identified by code N9 lets maintenance staff shift the spool without removing the coil. Fluid containment relies on FKM seals that withstand higher temperatures and many synthetic oils, keeping the unit dependable in demanding hydraulic automation tasks.
Technical Specifications
Duty Cycle
100% ED
Electrical Connection
K4 (DIN EN 175301-803)
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (p, A, B)
350 bar
Max Tank Port Pressure (t)
210 bar (DC)
Nominal Power (dc)
30 W
Nominal Voltage
96 V DC
Porting Pattern
ISO 4401-03-02-0-05 (NFPA D03)
Rated Current (96 V Dc)
0.33 A
Seal Material
FKM
Solenoid Type
Wet-Pin Solenoid (Detachable Coil)
Spool Symbol
W73
Throttle Insert (port P)
Ø 1.2 mm (B12)
Valve Size
6
Voltage Tolerance
±10%
1620 Old Apex Road
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