What are the common faults of cylinder valves?
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What are the common faults of cylinder valves and what are the vulnerable parts of the cylinder?
Bad weather, especially low temperature and high cold weather, may cause seal damage, air leakage, slow movement, poor air path and other reasons.
Due to the high ambient temperature, the lubricating oil dries out, and the inner wall of the cylinder is ground into grooves, causing air leakage (personal experience)； The piston seal ring is worn, hardened, and broken, causing air leakage.
Can you friends tell me how to solve the above problems? Can I add lubricant? This post was last edited by s1j2 on 2009-3-10 08:53 ]
The O-ring of the piston is mainly this. Nothing else.
The only solution is to replace it, and sometimes add some oil mist to the gas.
Can you send me some schematic diagrams of the cylinders?
Will adding oil to the gas affect the valve positioner?
I have encountered problems with pneumatic relays, guide valves and filter pressure reducing valves, as well as membrane head leaks, cylinder cross-gas, etc. The main solution is to replace them. If the frequency of damage is relatively high, there must be other reasons, such as large vibration, high pressure difference, etc. The reason may be found in the valve.
The main reason is that the O-type sealing ring is worn, causing air leakage. The reason is mainly lubricating oil.