On the design of safety valves
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It is mentioned in 200570 that it is suitable for pressures above 0.2 MPa. So, if a safety valve needs to be installed for pressures below 0.2 MPa, which standard should be referred to?
Api2000, breathing valve – is that what you were looking for?
For example, a container designed for 1 kilogram can handle a pressure of up to 3 kilograms without any problem.
This post was last edited by Sammy_Wang on 2015-8-28 at 10:00. It should be API2000; I have a standard version in English here, which I hope you’ll take and study carefully – \"Venting and Breathing Valves for Atmospheric and Low-Pressure Tanks\"
I’m sorry, I wasn’t aware of this rule. May I ask, are there any other criteria that cannot be passed on?
Here are the requirements in the forum; take a look at http://bbs.hcbbs.com/thread-1410146-1-1.html