Who has the standards for testing the leakiness of reciprocating engine valves?
Thread Content
Who has the standards for testing the leakiness of reciprocating engine valves? After reviewing standards such as HGJ-026-92, I find that the methods for detecting leaks using kerosene, as described in these standards, do not match what is used in my work. For example, the output pressure of the compressors in my factory is 26 Mpa; when their valves are removed and tested according to traditional standards, leaks are detected, yet the compressors still operate normally. The manufacturer also does not provide any reliable information on this matter. I hope experts can give me some guidance!
My previous standard was that there should be no continuous dripping, and no significant drop in the level of the test liquid within 30 seconds. A small ammonia synthesis system capable of operating at a maximum pressure of 32 MPa.
This mainly relies on experience; if there is no significant decrease after observing it with the naked eye for several seconds, that’s fine.