On the use of ferrule connectors in vacuum systems
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I have a stainless steel vacuum system, some of the pipes in which are 3mm in diameter, and I plan to use stainless steel crimp connectors. The supplier stated that their card sleeves can withstand 20 MPa without issue, while my system requires a negative pressure of 1 kP. I would like to ask experienced friends: can a ferrule joint with a pressure resistance of 20 MPa prevent air leakage under negative pressure?
You should ask the manufacturer about this, right? As long as his technical specifications are met, then use it!
Most connectors are designed for positive pressure; negative pressure ones are quite rare
3MM is no problem; there are quick connectors specifically designed for use in vacuum environments, and they’re all more or less the same. Just be careful when installing it.
The application of negative pressure is relatively rare.
The negative pressure isn’t high; there’s no problem
The negative pressure isn’t high; there’s no problem