. Regarding pressure vessel issues
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May I ask, do all pressure vessels have to be equipped with safety valves? Thank you
General requirements for pressure vessels: an overpressure relief device is required, including a safety valve, an explosion vent, or a combination of both
Pressure vessels do not necessarily have to have safety valves.
According to Clause 9.1.2(1) of the Large Vessel Code, some safety valves do not need to be installed directly on the vessel