Rupture disc, safety valve, and relief valve have the same functions. They protect process equipment, ISO tank containers, and machines from overpressure.
They act as protection devices – safety devices.
However, there is one significant difference between the rupture disc and the safety valve and relief valve.
What is the difference?
Rupture disc can be used only for one-time use. Once a pressure build-up is created in a piece of equipment or machine higher than its design pressure, it will burst.
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