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THM – 4WREE – Proportional Valves

Achieve absolute, electronically monitored fluid routing and precise speed control with the THM 4WREE Series Proportional Directional Valve. Engineered by THM Huade Hydraulics for the most demanding fluid power systems, this direct-acting valve is available in highly versatile 4/2 and 4/3 configurations. Its defining feature is state-of-the-art electrical position feedback, ensuring the internal spool reacts with pinpoint accuracy to your control signals. Available in standard Size 6 (up to 80 L/min) and Size 10 (up to 180 L/min), and capable of safely sustaining relentless 315-bar operating pressures, the Component Series 2X delivers the uncompromising, automated precision required by the massive civil, road, and earthmoving machinery that drives modern industry.

Core Technical Specifications:-

  • Valve Architecture: Direct-Acting Proportional Directional Valve (4/2 and 4/3 way)
  • Model Series: THM 4WREE (Component Series 2X)
  • Standard Sizes: Size 6 (NG6) and Size 10 (NG10)
  • Maximum Operating Pressure: Up to 315 bar
  • Maximum Flow Rate: Up to 80 L/min (Size 6) | Up to 180 L/min (Size 10)
  • Control Technology: Electrical Position Feedback (With or without integrated amplifier)

Key Features & Engineering Advantages:-

  • Electrical Position Feedback: Features advanced internal sensors that constantly monitor the exact physical position of the directional spool. This closed-loop feedback guarantees that the valve delivers highly accurate, repeatable flow rates entirely independent of fluid viscosity or heavy load fluctuations.
  • Integrated Amplifier Options: Available with a state-of-the-art integrated amplifier, which drastically simplifies machine wiring, reduces the physical footprint in your electrical cabinets, and ensures perfect plug-and-play synchronization between the valve and your control system.
  • High-Volume Precision: The hydro-dynamically optimized galleries effortlessly process up to 180 liters of fluid per minute (NG10), ensuring your massive hydraulic cylinders and rotary motors receive bottleneck-free, proportionally metered power.
  • Direct-Acting Responsiveness: The heavy-duty proportional solenoids act directly upon the main spool, providing lightning-fast reaction times to electrical inputs and eliminating the cycle lag associated with pilot-operated valves.
  • Heavy-Duty 315-Bar Resilience: Machined from premium casting specifically selected to safely absorb continuous hydraulic hammering, brutal pressure spikes, and the aggressive vibrations inherent in continuous outdoor mobile environments.


Ideal Industry Applications:-

The closed-loop electronic precision and massive flow capacity of the 4WREE Series make it a critical automated control component for:

  • Heavy Civil & Road Machinery: Providing the ultra-precise, variable-speed directional control required for the massive leveling screeds, automated steering systems, and complex auxiliary attachments on intelligent asphalt pavers, concrete slipform pavers, and road milling machines.
  • Advanced Earthmoving Equipment: Delivering exact, repeatable fluid routing to the primary boom, stick, and bucket circuits on modern, electronically controlled high-capacity tracked excavators and trenchers.
  • Automated Industrial Manufacturing: Managing the exact clamping forces, rapid advance, and slow-pressing speeds of heavy multi-stage metal-forming presses and automated plastic injection molding equipment.
  • Heavy-Duty Material Handling: Ensuring smooth, perfectly metered lifting, tilting, and stabilization maneuvers on high-tonnage industrial cranes, entirely preventing dangerous load shifting.

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