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Have a question! A pressure vessel is a sealed device that can withstand certain pressure. Is there something wrong with this statement?

2018-01-10View Original

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A pressure vessel is a sealed device used to contain gases or liquids and withstand certain pressures. To be more specific, it is not only necessary to meet three conditions: (1. Working pressure (PW) ≥ 0.1 MPa (excluding hydrostatic pressure). 2. The inner diameter (for non-circular cross-sectional areas, the maximum dimension) is ≥0.15 M, and the volume V is ≥0.025 M3. 3. The medium contained is a gas, a liquefied gas, or a liquid whose maximum operating temperature is greater than or equal to its standard boiling point. ), assuming it’s a sealed device, right? Focus on asking about the phrase ‘sealed container’ – is there a specific definition for it? For example, is a system still considered airtight if there is a slight leak over a period of time? Is it even considered a pressure vessel? Are there any standards in this area? :):):)
Reply #22018-01-11
Leakage has nothing to do with airtightness, right? There is a manhole; it can be opened to add material and then sealed. It is a pressure vessel. Is it leaking all the time? If it leaks, isn’t it repaired?/
Reply #32018-01-11
There is nothing wrong with this sentence; leakage has nothing to do with sealing.
Reply #42018-01-11
A pressure vessel must have pressure; how can you ensure that pressure is maintained in case of a leak? If the materials are leaked, they might be exposed outside – is that allowed?
Reply #52018-01-11
A pressure vessel is a sealed device that can withstand certain pressures; there’s nothing wrong with that statement...
Reply #62018-01-11
Closed equipment is the opposite of open equipment.
Reply #72018-01-16
Except for kettles, pressure vessels all have static seals; static seals should not leak, and any leakage is considered a seal failure that requires treatment. The leakage standards for dynamic seals cannot be used to evaluate pressure vessels.
Reply #82018-01-16
Except for kettles, pressure vessels all have static seals; static seals should not leak, and any leakage is considered a seal failure that requires treatment. The leakage standards for dynamic seals cannot be used to evaluate pressure vessels.

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