072-559A is a reliable hydraulic pressure control valve. It is widely applied in engineering machinery, lifting devices and industrial hydraulic systems to realize system pressure stabilization, overload protection and pressure limitation. It can effectively maintain stable system pressure and protect hydraulic components from overpressure damage.

Working medium: Common mineral hydraulic oilFluid cleanliness: Conform to ISO 4406 standardRated working pressure: 21 MPaMax allowable pressure: 26 MPaSuitable oil viscosity: 15~68 mm²/sWorking temperature: -20℃ ~ +80℃Pressure regulation: Stepless adjustableInternal leakage: Low leakage volumeInstallation type: Standard fixed installationRunning performance: Stable for long continuous operation

Precision core structure ensures accurate pressure control and easy field adjustment. High hardness wear-resistant parts extend service life greatly. Optimized flow channel reduces pressure loss and improves system efficiency. Excellent sealing design prevents external oil leakage effectively. Strong vibration resistance, suitable for various harsh working conditions. Compact layout saves installation space, easy for assembly and replacement. Simple structure with low failure rate and convenient daily maintenance.

Clean mounting surface and internal oil passages to remove all impurities before installation. Fix the valve firmly with standard fasteners following specified tightening torque, avoid excessive force causing deformation. Connect hydraulic pipelines strictly in accordance with oil flow direction signs. Double check all connecting positions to ensure solid installation after assembly is finished.

Complete installation and carry out no-load test firstly. Fill hydraulic oil slowly and inspect all joints for leakage. Adjust pressure value properly according to actual working requirements before formal use. Keep circulating hydraulic oil clean and replace filter elements regularly. Never adjust pressure beyond the maximum safe range. Fully release system internal pressure before equipment stop and maintenance work.

Check the valve body regularly for oil seepage, replace aging seals in a timely manner. Regularly calibrate pressure control precision and make fine adjustment if there is deviation. Keep outer surface clean to avoid dirt accumulation affecting normal heat dissipation. Unauthorized disassembly is forbidden to prevent damage to internal precision matching parts.

All installation, adjustment and maintenance work must be done after equipment shutdown, power cut and complete pressure relief of hydraulic system, to avoid personal injury caused by high-pressure fluid. Operators must comply with relevant safety operation rules. Keep the valve away from high temperature heat sources and corrosive materials. Stop operation immediately once abnormal noise, overheating and pressure fluctuation appear, and arrange professional inspection and repair timely.

072-559A is a reliable hydraulic pressure control valve. It is widely applied in engineering machinery, lifting devices and industrial hydraulic systems to realize system pressure stabilization, overload protection and pressure limitation. It can effectively maintain stable system pressure and protect hydraulic components from overpressure damage.

Working medium: Common mineral hydraulic oilFluid cleanliness: Conform to ISO 4406 standardRated working pressure: 21 MPaMax allowable pressure: 26 MPaSuitable oil viscosity: 15~68 mm²/sWorking temperature: -20℃ ~ +80℃Pressure regulation: Stepless adjustableInternal leakage: Low leakage volumeInstallation type: Standard fixed installationRunning performance: Stable for long continuous operation

Precision core structure ensures accurate pressure control and easy field adjustment. High hardness wear-resistant parts extend service life greatly. Optimized flow channel reduces pressure loss and improves system efficiency. Excellent sealing design prevents external oil leakage effectively. Strong vibration resistance, suitable for various harsh working conditions. Compact layout saves installation space, easy for assembly and replacement. Simple structure with low failure rate and convenient daily maintenance.

Clean mounting surface and internal oil passages to remove all impurities before installation. Fix the valve firmly with standard fasteners following specified tightening torque, avoid excessive force causing deformation. Connect hydraulic pipelines strictly in accordance with oil flow direction signs. Double check all connecting positions to ensure solid installation after assembly is finished.

Complete installation and carry out no-load test firstly. Fill hydraulic oil slowly and inspect all joints for leakage. Adjust pressure value properly according to actual working requirements before formal use. Keep circulating hydraulic oil clean and replace filter elements regularly. Never adjust pressure beyond the maximum safe range. Fully release system internal pressure before equipment stop and maintenance work.

Check the valve body regularly for oil seepage, replace aging seals in a timely manner. Regularly calibrate pressure control precision and make fine adjustment if there is deviation. Keep outer surface clean to avoid dirt accumulation affecting normal heat dissipation. Unauthorized disassembly is forbidden to prevent damage to internal precision matching parts.

All installation, adjustment and maintenance work must be done after equipment shutdown, power cut and complete pressure relief of hydraulic system, to avoid personal injury caused by high-pressure fluid. Operators must comply with relevant safety operation rules. Keep the valve away from high temperature heat sources and corrosive materials. Stop operation immediately once abnormal noise, overheating and pressure fluctuation appear, and arrange professional inspection and repair timely.