Pilot-Operated Electro-Proportional Hydraulic Multi-Way Valve

Our pilot-operated electro-proportional hydraulic multi-way valve is a high-performance electro-hydraulic control component designed for automated multi-actuator hydraulic systems. With a modular sectional structure and advanced electro-proportional pilot control technology, it enables precise, stepless control of the direction, flow and speed of multiple hydraulic cylinders, motors and other actuators via electrical signals, realizing independent or combined operation of multiple mechanisms. Manufactured with premium materials and precision machining, this valve delivers exceptional pressure resistance, low leakage, fast response, smooth operation and long service life. We provide fully customized solutions, including various valve section quantities, flow ratings, pilot pressure, control methods, interface specifications and function modules, to meet the unique control needs of construction machinery, special vehicles, sanitation equipment and other industrial automated hydraulic systems. As the core control component of modern electro-hydraulic systems, it ensures efficient, safe and intelligent operation of equipment.

Key Features

1. Precise Electro-Proportional Pilot Control: High-precision electro-proportional pilot valves realize stepless proportional control of flow, accurately adjusting actuator speed with fast response, ensuring smooth and stable operation without impact.

2. Modular Sectional Design: Modular structure allows flexible combination of valve sections, supporting customization of the number of working sections to meet different action control requirements, with strong expandability and easy maintenance.

3. High Pressure & Low Leakage: High-strength cast iron/steel valve body, with a rated pressure up to 35MPa (5076psi), suitable for high-load hydraulic systems. Advanced sealing structure ensures low internal leakage, improving system efficiency.

4. Pilot-Operated Low Operating Force: Pilot control design reduces operating force, enabling easy remote control and automated operation, reducing operator fatigue and improving work efficiency.

5. Strong Contamination Resistance: Optimized spool and valve body structure, with excellent anti-contamination performance, stable operation in harsh industrial environments with high impurity content.

6. Multiple Control & Integration Options: Support electro-proportional control, manual override, hydraulic pilot control, CAN bus communication, etc., compatible with various automation control systems.

7. Fully Customizable Solutions: Support full customization of valve section quantity, flow rating, pressure rating, interface specification, control mode, function modules and material, to meet special application requirements.

Custom Machining Services

We provide one-stop custom machining services for pilot-operated electro-proportional multi-way valves, to meet all your personalized electro-hydraulic control needs:

• Custom Valve Section & Flow: Custom number of working sections (2-12+ sections), flow rate (from 40L/min to 300L/min+), to match different actuator requirements.

• Custom Pressure Rating: 25MPa, 31.5MPa, 35MPa, etc., to meet different high-pressure system requirements.

• Custom Control Mode: Electro-proportional control, manual override, hydraulic pilot, CAN bus control, etc., for automated or manual operation.

• Custom Interface & Connection: Standard thread (SAE, NPT, BSP, metric), flange connection, etc., compatible with global hydraulic system standards.

• Custom Function Modules: Add overload protection, pressure compensation, check valve, relief valve, load sensing, etc., to enhance system safety and performance.

• Custom Material & Surface Treatment: Cast iron, steel, stainless steel, with phosphating, painting, nitriding, etc., to improve corrosion resistance and service life.

• Custom Batch & Lead Time: Support small batch trial production and mass production, with flexible lead time to meet your project schedule.

Technical Advantages

• Advanced Electro-Hydraulic Design: Optimized pilot control and flow channel design reduces pressure loss, improves system efficiency and reduces energy consumption, realizing intelligent control.

• Precision Machining: CNC precision machining of spools and valve bodies ensures high dimensional accuracy and tight tolerance, ensuring stable control and low leakage.

• Strict Quality Control: Each product undergoes strict pressure testing, leakage testing, flow testing, electrical performance testing and fatigue testing, complying with international hydraulic industry standards (ISO, DIN), ensuring stable and reliable performance.

• Professional Engineering Support: Our engineering team has rich experience in hydraulic valve design and system integration, providing professional design suggestions and technical support for your custom projects.

Application Scenarios

• Construction Machinery: Cranes, loaders, excavators, aerial work platforms, concrete pumps, road rollers, etc.

• Special Vehicles & Sanitation Equipment: Garbage trucks, fire trucks, road sweepers, hook lift trucks, refuse compactors, etc.

• Industrial Hydraulic Systems: Hydraulic presses, lifting platforms, metallurgical equipment, mining machinery, etc.

• Other Industrial Fields: Agricultural machinery, marine equipment, new energy equipment, aerospace, etc.

Product Structure

• Modular Valve Body: High-strength cast iron/steel modular valve body, pressure-resistant and durable, with flexible combination of sections.

• Electro-Proportional Pilot Valves: High-precision electro-proportional pilot valves, realizing stepless flow control and fast response.

• Main Spool Assembly: Precision-machined main spools, ensuring smooth operation and low leakage.

• Manual Override Mechanism: Optional manual override for emergency operation and commissioning.

• Sealing System: High-performance sealing rings and sealing structure, ensuring low leakage and long service life.

• Function Port: Standard or custom interface, for pressure measurement, pilot control, function module installation, etc.

Custom Order Process

1. Inquiry & Requirement Confirmation: Provide your product requirements (valve sections, flow, pressure, control, interface, quantity, etc.) or system parameters.

2. Design & Quotation: Our engineering team will evaluate the feasibility, provide optimized design solutions and quote the price.

3. Sample Confirmation: Produce samples for your inspection and performance test confirmation, and adjust according to your feedback.

4. Mass Production: After sample confirmation, arrange mass production, and strictly control the quality during the production process.

5. Inspection & Delivery: Conduct full inspection of the products (pressure test, flow test, electrical test, etc.), and deliver them after passing the inspection, with complete quality documents.

6. After-sales Service: Provide long-term after-sales technical support, installation guidance and product warranty service.