Bosch Rexroth | 4WE6J73-6XEW110N9K4V
4WE6J73-6X/EW110N9K4/V
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The 4WE6J73-6X/EW110N9K4/V directional valve belongs to the WE Directional Spool Valves series produced by Bosch Rexroth and directs pressurized oil to hydraulic cylinders or motors in automated machinery. It runs on an AC 50/60 Hz supply so standard plant power can energize its solenoids. When a command is issued the coil draws 220 VA switch-on power to shift the spool, then drops to 50 VA holding power to limit temperature rise. A 100 % duty cycle allows the valve to cycle continuously without forced pauses. The valve attaches to manifolds through the ISO 4401-03-02-0-05 mounting pattern, enabling interchange with other NG6 devices. Electrical termination uses a K4 two-pole plus protective earth connector in Design A for fast replacement and secure grounding. Ports P, A, and B are rated for 350 bar, permitting use in high-pressure tooling systems, and the housing can be installed in any orientation because no component relies on gravity.
Maximum flow of 60 l/min supports medium actuator speeds while maintaining stable spool positioning. The return port T tolerates 160 bar, so elevated back pressure in regenerative circuits does not compromise sealing surfaces. FKM seals permit hydraulic fluid temperatures between −15 °C and +80 °C, covering most mineral-oil service ranges. A concealed N9 manual override lets maintenance personnel move the spool mechanically when electrical power is unavailable, yet stays protected from inadvertent engagement during operation. The specified cleanliness class ISO 4406 20/18/15 defines filtration requirements that help prevent scoring of the precision fit between spool and body. Total weight with two solenoids is 1.95 kg, allowing one technician to mount the unit on a manifold without lifting equipment. These capabilities let the valve provide dependable directional control in presses, injection molding machines, and other industrial automation stations.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Duty Cycle
100%
Electrical Connection
K4, 2-Pole + PE (Design A)
Holding Power (ac)
50 VA
Hydraulic Fluid Temp Max (fkm)
+80 °C
Hydraulic Fluid Temp Min (fkm)
–15 °C
Installation Position
Any
Manual Override
Concealed (N9)
Max Flow (ac)
60 l/min
Max Pressure (p, A, B)
350 bar
Max Pressure (t, Ac)
160 bar
Mounting Interface
ISO 4401-03-02-0-05
Seal Material
FKM
Switch-on Power (ac)
220 VA
Voltage Type
AC 50/60 Hz
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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