| Parameter | Specification / Value |
| Model Series | 4WRZE (Pilot-operated with Integrated Electronics) |
| Size (NG) | 25 |
| Spool Symbol | W6 (4/3-way, linear characteristic, central position closed) |
| Nominal Flow | 220 L/min (at $\Delta p$ = 10 bar) |
| Component Series | 7X |
| Maximum Operating Pressure | 315 bar (Ports P, A, B) |
| Maximum Flow Rate | Up to 450 L/min (at maximum pressure drop) |
| Supply Voltage | 24 VDC (Nominal) |
| Command Value | 0 to ±10 V (Voltage input) |
| Electrical Connection | 7-pin (6+PE) Connector |
| Pilot Oil Supply/Return | Internal (X) / Internal (Y) (Indicated by D3) |
| Seal Material | NBR Seals |
| Hysteresis | < 0.1% |
| Step Response (0 to 100%) | Approx. 50-70 ms |
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.
$4,521.00 Original price was: $4,521.00.$3,120.00Current price is: $3,120.00.
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