Master the flow and direction of your most massive hydraulic circuits with the THM 4WRZ(E) Series Electro-Hydraulic Proportional Directional Valve. Engineered for extreme-scale industrial and mobile fluid power systems, this pilot-operated valve effortlessly processes staggering flow rates up to 1600 L/min while sustaining relentless 350-bar operating pressures. By seamlessly translating electrical input signals into highly accurate, proportional spool movements, the 4WRZ(E) Series provides unparalleled motion control and high-response system operation. Whether automating the heavy lifting cylinders on large-scale construction equipment or managing multi-stage industrial presses, this valve delivers the exact, repeatable fluid routing required to drive modern civil and road machinery.

Core Technical Specifications:-

• Valve Architecture: Pilot Operated Proportional Directional Valve
• Model Series: THM 4WRZ(E)
• Standard Sizes: Size 10 to 32 (NG10 to NG32)
• Maximum Operating Pressure: Up to 350 bar
• Maximum Flow Rate: Up to 1600 L/min
• Mounting Configuration: Subplate Mounting
• Spool Type: Spring-Centered Control Spool

Key Features & Engineering Advantages:-

• Massive Flow Proportionality: Accurately controls both the direction and the precise volume of the fluid flow, allowing a low-power electrical signal to smoothly meter up to 1600 liters per minute without destructive hydraulic shock or cycle lag.
• Rapid Response & Low Hysteresis: The advanced internal spool geometries and high-performance proportional solenoids are engineered to slash response times and heavily reduce hysteresis. This guarantees the valve reacts instantly and identically to control signals every single time.
• Fail-Safe Spring Centering: Designed with a robust, spring-centered main control spool. If electrical power or the pilot signal is ever lost, the spool automatically shifts to its neutral, safe position, instantly locking the massive hydraulic actuators to protect the job site.
• Serviceable Detachable Coil: Operated by proportional solenoids featuring a central thread and a fully detachable coil. This intelligent design allows field technicians to perform rapid electrical maintenance or coil replacements without ever breaking the main hydraulic seal.
• Perfect Amplifier Synergy: Because both the proportional valve and the controlling electronic amplifier are supplied directly by THM Huade, system designers are guaranteed flawless electrical-to-hydraulic synchronization and immediate e-compatibility.

Ideal Industry Applications:-

The breathtaking 1600 L/min capacity, rapid response, and extreme load endurance of the 4WRZ(E) Series make it a mandatory automated control component for:

• Heavy Civil & Road Construction Machinery: Providing the ultra-precise, variable-speed directional control required for the massive lifting cylinders, heavy leveling screeds, and automated steering systems on large-scale asphalt pavers, concrete slipform pavers, and deep-cut road milling machines.
• Extreme Earthmoving Equipment: Delivering exact, repeatable fluid routing to the primary boom, stick, and bucket circuits on massive 100+ ton mining excavators and colossal wheel loaders operating under intense continuous loads.
• Large-Scale Industrial Manufacturing: Managing the exact clamping forces, rapid advance, and highly metered pressing speeds of heavy multi-stage metal-forming presses and plastic injection molding equipment.
• Heavy-Duty Material Handling: Ensuring flawlessly smooth, perfectly metered lifting and stabilization maneuvers on high-tonnage industrial cranes, marine winches, and automated conveyor systems.

Why Choose THM Huade Hydraulics?

• Finely Engineered Solutions: Built on powerful technology integration to deliver trusted, long-lasting functionality in the harshest outdoor environments.
• Comprehensive Assortment: Offers a massive range of directional and proportional valves, allowing you to source your entire hydraulic manifold from a single respected brand.
• Uncompromising Support: Backed by dedicated technical support and customer care to ensure your heavy machinery operates at peak performance.