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requirements for ball valve for hydrogen gaseous service

requirements for ball valve for hydrogen gaseous service

requirements for ball valve for hydrogen gaseous service

(OP)
Dear All:

Appreciated if someone can tell me if there are some special requirements for ball valves used for hydrogen gas service. And any national codes for this?

Thanks and Regards,

RE: requirements for ball valve for hydrogen gaseous service

chinwar,
       you may want to see API 941 std. (I know about 4th edition, 1997; may be it has been revised in the meantime...?) about steels used in presence of H2 gas.

Hope this helps,    'NGL

RE: requirements for ball valve for hydrogen gaseous service

See if you can get hold of NASA Guideline NSS 1740.16 - it's a useful document.

Steve Jones
Materials & Corrosion Engineer
http://www.pdo.co.om/pdo/

RE: requirements for ball valve for hydrogen gaseous service

(OP)
thank angeri and SJones. I really got some fresh air from your suggestion.

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