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Maintenance Precautions for Atlas Copco Hydraulic Water Solenoid Valve Regularly check the energized state and sealing performance of the solenoid valve to prevent control failure due to valve core jamming or coil aging. When replacing, select original factory parts to ensure compatibility with the model (there may be differences in diameter, pressure rating, and voltage parameters between different types of screw machines for hydraulic and water solenoid valves). During maintenance, first cut off the pressure source of the related pipelines and operate after the system is depressurized to avoid fluid leakage or component damage.

Compatibility and Procurement The 24V solenoid valves used in different models of Atlas Copco screw compressors (such as GA, GX, and ZR series) have different specifications. The specific model (such as GA75, GX30) and installation location (such as intake valve control, discharge valve control) need to be determined accordingly. During procurement, the compressor serial number or the nameplate information of the solenoid valve (such as the part number) can be provided. Precise compatible components can be obtained through authorized dealers or after-sales service centers. The reliable operation of the 24V electric solenoid valve directly affects the automation control accuracy and stability of the screw air compressor. Timely maintenance and replacement can effectively reduce equipment downtime.

The high-pressure rotor replacement kit of Atlas Copco is mainly applicable to equipment such as high-pressure compressors of the Atlas Copco brand. When the high-pressure rotor of the equipment is worn out, damaged or reaches a certain service life, which affects the normal operation and compression efficiency of the equipment, this kit can be replaced to restore the performance of the equipment.

Atlas Copco also offers a series of oil coalescing filters such as DD+, PD+, and UD+. These filters can effectively reduce oil suspended matter, wet dust, and water droplets in the compressed air flow. Among them, DD+ is used for filtering oil suspended matter and wet dust; PD+ not only filters oil suspended matter and wet dust, but also can perform water separation; UD+ integrates the two filtration steps of DD+ and PD+ into one technology, which can save space and energy.

I. Working Principle The safety valve is designed based on the principle of force balance. It mainly consists of a valve seat, a valve core, a spring, and a regulating mechanism. When the system pressure exceeds the spring's preload force, the valve core is pushed up, and the medium (compressed air) is discharged; when the pressure drops to the return seat pressure, the spring pushes the valve core back to its original position, closing the valve. Key parameters: Opening pressure (set pressure): The pressure at which the valve begins to open, usually 1.05 to 1.1 times the working pressure. Emission pressure: The pressure when the valve reaches its maximum opening height, generally ≤ 1.1 times the opening pressure. Return seat pressure: The pressure when the valve is closed, usually 10% to 15% lower than the opening pressure. Sealing pressure: The maximum pressure at which the valve maintains sealing, generally 90% of the opening pressure.

Atlas Copco AIR INLET WITH FILTER: Regular maintenance of the inlet with a filter can effectively reduce the failure rate of the air compressor, extend the equipment's lifespan, and ensure that the output compressed air meets the cleanliness requirements of subsequent pneumatic equipment, pneumatic tools, or processes (for example, the cleanliness requirements for compressed air in the food and pharmaceutical industries are higher, and a post-treatment filtration system may also be needed in some cases).