The issue of selecting the manhole pressure rating
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For a container that operates at a pressure of less than 0.1 MPa, but to prevent leaks and ensure safety, the test pressure specified in the manufacturing process is 0.4 MPa for hydraulic testing. What pressure rating should be chosen for the manhole? (It involves the need to conduct a hydraulic test.) Are there any other more suitable testing methods? Thank you
Is it a pressure vessel? The minimum national standard for pressure vessels is 16 kilograms, right?
It is not a pressure vessel; the operating pressure is less than 0.1 MPa
There are also pressure vessels with a pressure below 1.6, right? Low-pressure vessels~