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The 4WRZ10E50-7X/6EG24N9ETK4/V-674 proportional directional valve is manufactured by Bosch Rexroth within the WRZ Proportional Directional Valves series. It modulates hydraulic flow and direction in automated circuits. With a nominal size of 10, it delivers 50 l/min at a 10 bar differential pressure. The main stage permits up to 170 l/min. Main ports withstand 315 bar, while port Y is limited to 30 bar. Return flow routed internally to port t must also stay below 30 bar. Pilot supply and pilot drain are both taken internally, simplifying manifold design.
The proportional solenoid accepts up to 1.5 A and is rated for continuous 100 % duty, with coil resistance measuring 4.8 Ω when cold and 7.2 Ω when hot. It withstands coil temperatures to 150 °C without derating. Electrical hookup is provided through a DIN EN 175301-803 connector that secures the IP65 rating once the mating socket is installed. The assembled unit weighs 7.8 kg when mounted on a subplate, a consideration for handling during maintenance.
Coil Resistance (cold)
4.8 Ω
Coil Resistance (hot)
7.2 Ω
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803
Max Coil Temperature
150 °C
Max Flow (main Valve)
170 l/min
Max Operating Pressure (main)
315 bar
Max Pressure (port Y)
30 bar
Max Return Flow Pressure (t, Internal)
30 bar
Max Solenoid Current
1.5 A
Nominal Flow (10 Bar Delta P)
50 l/min
Nominal Size
10
Pilot Supply/drain
Internal/Internal
Type Of Protection
IP65 (with socket)
Weight (subplate Mounting)
7.8 kg
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