Bosch Rexroth | 4WE6H73A6XEG24N9K4A12V
4WE6H73A6X/EG24N9K4/A12V
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The 4WE6H73A6X/EG24N9K4/A12V directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series and directs hydraulic flow in industrial automation. It is built for subplate mounting on a size 6 interface, matching ISO 4401-03-02-0-05 porting and the NFPA D03 pattern, so it fits standard manifolds. The valve handles supply lines up to 350 bar on ports A, B, and P and supports a continuous flow of 80 l/min when operated with direct-current solenoids. Its two solenoids require 24 V DC and draw 30 W, allowing control circuits to power the unit without excess load. Continuous energization is permitted because the coil is rated for a 100 % duty cycle. Electrical connection is made through a DIN EN 175301-803 K4 plug.
The valve switches positions up to 4.2 times per second in direct-current operation, supporting rapid cycle machines. Back-pressure on the T port is allowed up to 210 bar, which helps in circuits with pressurized return lines. External contamination is limited by an IP65 housing and by FKM seals that tolerate common hydraulic fluids. The concealed N9 manual override permits local actuation without protruding hardware. Cleanliness of the working fluid must reach ISO 4406 class 20/18/15 to maintain spool and seat life. With both solenoids installed the assembly weighs 1.95 kg, easing handling during manifold maintenance.
Technical Specifications
Connector Type
DIN EN 175301-803 (K4)
Duty Cycle
100% ED
Fluid Cleanliness (iso 4406)
Class 20/18/15
Ingress Protection
IP65
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switching Frequency (dc)
4.2 1/s
Max Tank Port Pressure (dc)
210 bar
Nfpa Mounting Interface
D03
Nominal Power
30 W
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05
Rated Voltage
24 V DC
Seal Material
FKM
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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