Bosch Rexroth | 4WE6M73A6XEG24N9K4A12V
4WE6M73A6X/EG24N9K4/A12V
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The 4WE6M73A6X/EG24N9K4/A12V valve is produced by Bosch Rexroth as part of the WE Directional Spool Valves series. It shifts hydraulic flow between circuits to automate actuator motion in compact machinery where fast on-off control is needed. The unit is built in size 6, so it fits NG6 manifolds common in light-to-medium power systems. A porting pattern of ISO 4401-03-02-0-05 aligns the sub-plate holes for straightforward mounting. The spool passages pass up to 80 l/min, supplying cylinders or motors without excessive pressure drop. Working pressure on ports A, B, and P can reach 350 bar, while port T is limited to 210 bar to protect the return line. A switching frequency of three cycles per second supports rapid sequencing tasks. Because the valve may be installed in any position, designers can orient manifolds freely. With two solenoids installed, the assembly weighs 1.95 kg, allowing manual handling during service.
The electromagnetic section operates on a 24 V DC supply so it integrates with standard mobile or factory power rails, and the coil draws 1.25 A during energization to shift the spool. Insulation class F materials withstand winding temperatures associated with continuous duty, while a maximum coil surface temperature of 120 °C defines enclosure spacing to adjacent components. When needed, a concealed manual override designated N9 lets technicians shift the spool without power for setup or fault recovery. Electrical connection is made through a DIN EN 175301-803 type K4 plug, simplifying cable replacement in the field. FKM seals resist common hydraulic fluids and maintain leak-free operation over long service intervals. Hydraulic cleanliness must be held at ISO 4406 code 20/18/15 or better to prevent spool sticking and wear. Together these characteristics enable reliable directional control in automated hydraulic circuits.
Technical Specifications
Cleanliness Class (iso 4406 (c))
20/18/15
Coil Max Surface Temperature
120 C
Connector Type
DIN EN 175301-803 (K4)
Installation Position
Any
Insulation Class (dc)
F
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Pressure (port T, Dc)
210 bar
Max Pressure (ports A/b/p)
350 bar
Max Switching Frequency (a12)
3 1/s
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (24 V Dc)
1.25 A
Seal Material
FKM
Size
6 (NG6)
Supply Voltage (coil)
24 V DC
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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