This product is a professional hydraulic control valve component with stable performance and reliable quality. It is widely matched with various construction machinery, industrial hydraulic equipment and special vehicle hydraulic systems. It is mainly used to control hydraulic oil circuit switch, pressure balance and flow control, and can adapt to various complex working environments to ensure smooth and safe operation of the whole hydraulic system.

It is suitable for standard industrial mineral hydraulic oil, and the fluid cleanliness shall meet the common hydraulic system usage standard. The product can work stably under rated working pressure and withstand short-term impact pressure within the safe range. It can maintain stable working performance in normal working ambient temperature range. The internal sealing structure is excellent with low internal leakage. The overall operation is smooth, the action is sensitive, and it has long continuous working service life.

Adopt high-precision machining technology for internal core parts, with good wear resistance and compression resistance. The overall structure is compact and reasonable, easy for on-site installation and layout. The internal oil passage is optimized to reduce flow resistance and improve hydraulic transmission efficiency. It has good vibration resistance and impact resistance, and will not be easily affected by equipment vibration during operation. Simple internal structure, fewer failure points and convenient later inspection and maintenance. Standard installation size, strong versatility and easy replacement and matching.

Clean the installation surface and internal oil passages thoroughly before installation to remove all impurities and oil stains. Align the product with the installation position accurately and fix it with standard fasteners according to the specified fastening strength. Do not use excessive force to avoid component deformation and internal clamping stagnation. Connect hydraulic pipelines strictly according to the oil inlet and outlet direction, and ensure all joints are connected tightly without loose gaps. After installation, check the overall assembly state again to confirm no installation deviation.

Complete all installation work and pipeline connection, then carry out no-load test operation. Slowly fill hydraulic oil into the system and check all connection positions for oil leakage. After confirming no abnormal conditions, start formal equipment operation. Keep the circulating hydraulic oil clean in daily use, and avoid impurities entering the valve body to cause blockage and failure. It is forbidden to use the product beyond the rated pressure and working limit. When stopping the equipment, stop the working action first, then release the system internal pressure steadily.

Regularly check the appearance and connection parts of the product, and deal with oil seepage and looseness in time. Replace hydraulic oil and system filter elements regularly according to the working cycle to ensure clean oil quality. Regularly observe the working action state of the valve, and adjust and maintain in time if slow action and unsmooth switching occur. Keep the product surface clean to prevent dust and oil dirt from accumulating and affecting heat dissipation and normal use. It is not allowed to disassemble the product privately without professional technical support, so as not to damage the internal precision matching structure.

All installation, disassembly, maintenance and debugging operations must be completed after the equipment is shut down, power is cut off and all hydraulic pressure is completely released, so as to prevent high-pressure hydraulic oil from causing personal injury. Operators shall abide by relevant safe operating norms. Keep the product away from high temperature heat sources, open fire and corrosive substances to prevent accelerated aging and performance failure. Once abnormal noise, excessive heating and functional failure occur during operation, stop using immediately and arrange professional personnel for inspection and troubleshooting.

Model: 072-1203-10

This is a professional hydraulic control valve, featuring stable performance, precise control and durable structure. It is widely applied in construction machinery, industrial hydraulic systems, lifting machinery and mobile equipment, used for hydraulic circuit control, pressure regulation and flow distribution to ensure stable and reliable operation of the whole hydraulic system.

Working medium: Standard mineral based hydraulic oilFluid cleanliness: Meet ISO 4406 standardRated working pressure: 21MPaMaximum impact pressure: 25MPaApplicable oil viscosity: 15~68 mm²/sWorking ambient temperature: -20℃ ~ +80℃Operation response speed: Fast sensitive actionInternal leakage: Low leakage volumeInstallation type: Standard cartridge / flange mountingProtection grade: Dustproof and splash-proof for industrial field useService life: Long cycle service life under rated working condition

High precision machined internal core parts with excellent wear resistance and pressure resistance. Optimized inner flow channel reduces flow resistance and improves hydraulic transmission efficiency. Compact overall structure saves installation space and facilitates centralized layout. Strong anti-vibration and anti-impact ability, suitable for harsh working conditions. Stable control performance, easy on-site adjustment and convenient later maintenance. Good sealing performance, effectively prevent external oil seepage and internal flow leakage.

Clean mounting surface and oil passages thoroughly before installation to remove dirt and impurities. Align the valve accurately with installation position and fasten fixing parts according to standard torque, avoid over tightening causing deformation and stuck fault. Connect hydraulic pipelines strictly follow inlet and outlet direction mark to prevent reverse installation failure. Finish assembly inspection to confirm firm installation and smooth pipeline connection.

Perform no-load trial run after installation completion. Inject hydraulic oil slowly and check all joints for oil leakage. Start formal operation only after no abnormal condition is confirmed. Keep hydraulic oil clean during daily operation, replace filter element regularly to avoid impurity blockage. Prohibit overpressure and overload operation to prevent internal parts damage. Release system pressure steadily before long term shutdown.

Regularly check valve body and connection position for oil leakage, replace aging seals in time. Periodically inspect working state, adjust control parameters properly if unstable performance occurs. Keep valve surface clean to avoid dust and oil dirt accumulation. Do not disassemble privately without professional permission, avoid damage to precision matching structure.

All installation, maintenance and disassembly work must be carried out after equipment stop, power cut and full hydraulic pressure relief, to avoid high pressure fluid injury. Operate in accordance with safety operation regulations. Keep away from high temperature heat source and corrosive medium to prevent performance aging. Stop using immediately once abnormal noise and overheating appear, and arrange professional inspection and repair.