Proportional Directional Valves | Cetop 3-8

From direct control to high flow rates, in open or closed loop

Directional proportional valves in the Hydraut range continuously regulate the direction and flow of hydraulic fluid in proportion to the electrical command signal. The range covers sizes from Cetop 3 to Cetop 8, with direct-acting solutions for compact systems and two-stage pilot-operated versions for high flow circuits, available in open and closed loop configurations.

The range includes Huade-branded series.

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Directional proportional valves, direct-acting, open and closed loop – HD-4WRA(E) Series

The HD-4WRA(E) series covers Cetop 3 and 5 sizes up to 315 bar in two configurations: open loop with external electronics (4WRA) and closed loop with integrated transducer and OBE (4WRAE).

Directional proportional valves, direct-acting, open and closed loop – HD-4WRA(E) Series

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Directional proportional valves, direct-acting, closed loop – HD-4WRE(E) Series

The HD-4WRE(E) series is available in Cetop 3 and 5 sizes up to 315 bar with an LVDT inductive transducer integrated into the valve body. The spool geometry ensures high flow capacity and precise response.

Directional proportional valves, direct-acting, closed loop – HD-4WRE(E) Series

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Two-stage pilot-operated directional proportional valve, open loop – HD-4WRZ(E) Series

The HD-4WRZ(E) series covers sizes NG10, NG16, NG25 and NG32 up to 315 bar. Available in open loop and external hydraulic actuation without solenoid (4WRH), it adapts to any high flow circuit architecture.

Two-stage pilot-operated directional proportional valve, open loop – HD-4WRZ(E) Series

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