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I have a question to ask the experts here regarding sealed tanks

2010-12-19View Original

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Recently, I noticed that the seal tank of the cryopump is leaking. What could be the cause of this? How should it be repaired? :)
Reply #22010-12-20
Is the jar leaking? If the tank leaks, it’s simple: with the pump on standby, drain the methanol from the tank, fill it with nitrogen, and then weld it!
Reply #32011-02-12
It was a leak in the double-seal inner layer of the pump, which caused the pressure inside the seal tank to rise; the mechanical seal was replaced.

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Translated at 2026-07-24 20:31:46

Original: https://bbs.hcbbs.com/thread-777657-1-1.html

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