Rexroth R900618373 4WRZE 25 W6-220-7X/6EG24N9K31/A1D3M Proportional directional valve

Application Scenarios

The combination of Size 25 and the W6 spool makes this valve ideal for heavy-duty industrial automation where smooth, linear flow control is required for large actuators.

  • Primary Metal Industry: Controlling the movement of heavy rollers in steel mills or regulating large hydraulic cylinders in forging plants.

  • Large-Scale Injection Molding: Managing the high-speed clamping units or injection sequences in large plastic manufacturing machines.

  • Marine Engineering: Operating large hatch covers, winches, or steering systems on cargo vessels.

  • Infrastructure Projects: Precision control of large hydraulic jacks used in bridge lifting or tunnel boring machines (TBM).

  • Material Handling: Driving heavy-duty hydraulic motors in conveyor systems or large industrial lifts.

Original price was: $4,521.00.Current price is: $3,120.00.

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ParameterSpecification / Value
Model Series4WRZE (Pilot-operated with Integrated Electronics)
Size (NG)25
Spool SymbolW6 (4/3-way, linear characteristic, central position closed)
Nominal Flow220 L/min (at $\Delta p$ = 10 bar)
Component Series7X
Maximum Operating Pressure315 bar (Ports P, A, B)
Maximum Flow RateUp to 450 L/min (at maximum pressure drop)
Supply Voltage24 VDC (Nominal)
Command Value0 to ±10 V (Voltage input)
Electrical Connection7-pin (6+PE) Connector
Pilot Oil Supply/ReturnInternal (X) / Internal (Y) (Indicated by D3)
Seal MaterialNBR Seals
Hysteresis< 0.1%
Step Response (0 to 100%)Approx. 50-70 ms

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