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Let’s discuss the reset pressure of safety valves

2007-12-19View Original

Thread Content

The reseating pressure is generally required to be at least 80% of the set pressure, with an upper limit determined to prevent frequent opening and closing of the valve disc. But is it possible to refine the range of reseating pressures depending on the pressure of the medium involved? For example, what is the relationship between the reseating pressure and the set pressure for safety valves used with process gases, safety valves used with process liquids, and safety valves used with circulating water? How should this ratio be determined?
Reply #22007-12-19
It’s cruel; why did you go there to study safety valves? Technical parameters should be related to the manufacturing process; they have nothing to do with the materials. They’re trying to brainwash you.
Reply #32007-12-19
There’s nothing I can do; you have to adapt to local customs~ I know it’s not something I need to master either! Sigh~
Reply #42007-12-19
Is it really necessary? The safety valve is installed to protect pressure-bearing equipment, and the key parameter is pressure
Reply #52007-12-19
Dude, the safety valve specification sheet has a column for setting pressure data! If it didn’t, why would I go to the trouble of asking such stupid questions? Huh?

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