Bosch Rexroth | 4WRZ32W6-520-7X6EG24N9ETK4D3M
4WRZ32W6-520-7X/6EG24N9ETK4/D3M
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The 4WRZ32W6-520-7X/6EG24N9ETK4/D3M proportional directional valve is manufactured by Bosch Rexroth for the WRZ Proportional Directional Valves series. Intended for hydraulic automation, it meters flow and directs oil through a valve size 32 housing suited to large circuits. The W6 spool profile provides fine proportional control, and a nominal flow of 520 l/min at 10 bar Δp accommodates high-volume actuators. Operation remains reliable up to 350 bar maximum pressure, permitting use in high-pressure power units. Subplate mounting enables quick exchange, while the ISO 4401-10-08-0-94 porting pattern matches standard manifolds. Internal pilot oil supply and internal pilot oil drain remove the need for external pilot lines, minimizing plumbing complexity.
A 24 V DC solenoid energizes the valve and can draw up to 1.5 A to shift the spool proportionally. Coil insulation withstands temperatures to 150 °C, maintaining duty performance in hot environments. With a socket in place, the enclosure attains IP65 protection against dust and water jets. Electrical connection is made through a DIN EN 175301-803 plug for straightforward servicing. A concealed manual override allows technicians to move the spool mechanically during setup or troubleshooting. The complete assembly weighs 42.2 kg, a factor that must be supported by the manifold or machine frame.
Technical Specifications
Coil Voltage
24 V DC
Electrical Connection
DIN EN 175301-803 Plug
Manual Override
Concealed
Max Coil Current
1.5 A
Max Coil Temperature
150 °C
Max Operating Pressure
350 bar
Mounting
Subplate
Nominal Flow (10 Bar Dp)
520 l/min
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Porting Pattern
ISO 4401-10-08-0-94
Spool Type
W6
Type Of Protection
IP65 (with socket)
Valve Size
32
Weight
42.2 kg
1620 Old Apex Road
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