Direct-acting proportional directional control valve

2 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

4 year

Product details

I. Basic Information

• Brand: VTOZ

• Model: MA-RZMO-A-010/315

• Type: Proportional relief valve

• Function: Used in hydraulic systems to regulate pressure, protecting the system from overload damage while maintaining stable pressure.

II. Technical Specifications

• Nominal Pressure: 31.5 MPa (or 315 bar), indicating the maximum operating pressure the valve can withstand.

• Connection Type: Typically threaded connection for easy installation and removal.

• Actuation Method: Electromagnetic drive, controlling valve opening/closing via electrical signals for precise pressure adjustment.

• Mounting Style: Plate-mounted for seamless integration into hydraulic systems.

• Type (Channel Position): May be 3-way or another configuration, depending on internal structure.

• Flow Direction: Bidirectional, suitable for hydraulic systems requiring pressure control in both directions.

III. Structural Features

• Direct-Acting or Pilot-Operated: The MA-RZMO series proportional relief valve may adopt either a direct-acting or pilot-operated design.

• Direct-acting: Simple structure with fast response.

• Pilot-operated: Uses a pilot valve to control the main valve, ideal for high-pressure, high-flow applications.

• Proportional Control: Utilizes a proportional solenoid to adjust valve opening proportionally to input electrical signals.

• High Precision: Offers high pressure regulation accuracy and repeatability, meeting demands of precision hydraulic systems.

IV. Application Scenarios

• Construction Machinery: Used in hydraulic systems of excavators, loaders, etc., to protect main pumps and actuators (e.g., boom cylinders) from high-pressure damage.

• Industrial Equipment: Applied in hydraulic circuits of injection molding machines, die-casting machines, etc., to control mold opening/closing forces and ejection forces.

• Other Fields: Suitable for hydraulic systems in metallurgy, power generation, marine machinery, and more, enabling precise pressure control and protection.

V. Selection and Usage Considerations

• Selection Criteria:

• Choose based on the hydraulic system’s maximum operating pressure, flow requirements, and desired pressure regulation accuracy.

• Installation and Commissioning:

• Thoroughly clean the hydraulic system before installation to prevent contamination-induced valve malfunction or leakage.

• Follow the product manual for commissioning to ensure proper operation.

• Maintenance and Care:

• Regularly inspect the valve’s appearance and sealing performance, replacing worn seals promptly.

• Monitor hydraulic fluid cleanliness to prevent contamination-related failures.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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4 year

Main Product: hydraulic motor , gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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