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English Translations » 历史存档[信息] » Issues regarding the calculation of the relief volume of saf

Issues regarding the calculation of the relief volume of safety valves in case of a fire

2015-06-30View Original

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In the calculation of the safety valve discharge amount for fire scenarios, there is an aspect related to the effect of external fires on containers with unwetted surfaces. In the formula used to calculate the discharge volume of a safety valve, Tw represents the temperature of the metal wall; the standard value for carbon steel is 866 K. So, what value should be used for the metal wall temperature in the case of stainless steel? It is not specified in API521, nor in HG/T20570. If the equipment we are calculating for is made of stainless steel or 321H material, what is then this value? I wonder what the standard-setters think?

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Translated at 2026-07-21 02:08:34

Original: https://bbs.hcbbs.com/thread-1411477-1-1.html

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