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What are the requirements for springs in spring-type safety valves under wet hydrogen sulfide conditions?

2009-02-27View Original

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In refining enterprises, what are the specifications for the springs of spring-loaded safety valves under wet hydrogen sulfide conditions? I have personally reviewed the NACE MR0175 standard, which mentions the requirements for safety valve springs in environments with wet hydrogen sulfide, but it doesn’t seem to explain those requirements in detail. I welcome discussions from fellow professionals in this field!

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