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What is the fundamental cause of the damage to the coupling? The fundamental cause of the damage to the coupling lies in the mismatch between the design, installation, maintenance and actual working conditions. By correctly selecting the type, conducting standardized installation, performing regular maintenance and optimizing the working conditions, the service life of the coupling can be extended from 1 to 2 years to 5 to 10 years, significantly reducing the risk of downtime and maintenance costs. It is recommended to establish a full life cycle management file for the coupling, recording the data from each maintenance, to achieve preventive maintenance.

Key structural design Air intake: Gradually expanding or tangential design, reduces flow velocity and separates large particle impurities. Filter element installation: Vertical or horizontal installation, facilitating replacement and maintenance. Drainage structure: Gravity drainage port or automatic drainage valve, prevents condensate water from soaking the filter element. Sealing design: Uses nitrile rubber or fluorine rubber sealing rings, with compression ratio of 15% to 25%. Quick disassembly structure: Snap-fit or bolt connection, simplifies maintenance procedures.

Atlas Copco Oil Separator Element Kit for Old Style GA Series Rotary Screw Compressors - 2901 1963 00

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.

1. loading solenoid valve ‌ : It adopts a two-position three-position normally closed structure and controls the on-off of the pipeline from the oil and gas tank to the intake valve through PLC instructions. When powered on, allow compressed air to enter the intake valve pipeline and open the intake port. When power is cut off, cut off the air passage and expel the residual air in the cylinder, then close the air inlet 2. Vent solenoid valve ‌ : Open the valve for two positions and two normal positions to ensure that the pressure in the oil and gas tank of the air compressor remains at around 0.2MPa when it is no-load. When the machine is shut down and unloaded, cut off the power and release the gas to the intake filter to prevent excessive pressure

1. Daily maintenance and cleaning Daily drainage: The compressor will produce moisture during operation. To avoid pipeline blockage, we recommend draining the moisture once a day to ensure smooth system flow.