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Home > Forums > Chemical Engineers > Activities > Safety Relief Valve engineering (PSV) Forum

API537: flare

Read More Threads Like This One

MMII (Chemical)

27 Apr 12 6:38

hi!!

Anyone know if there has been a new edition of API537 after the first one in sept. 2003?

Thanks

TD2K (Chemical)

27 Apr 12 11:18

Yes, 2008 apparently is the latest

http://webwormcpt.blogspot.com/2009/02/ansiapi-std-537-iso-25457-2nd-edition.html

MMII (Chemical)

30 Apr 12 2:13

Thanks TD2K, but the 2008 edition was for ISO 25457 2nd edition, that is based on API Std 537.

Duwe6 (Industrial)

2 May 12 10:16

Gotta disagree with MMII.  The 2008 edition of API-537 and ISO 25457 have been 'normed'.  They are now identical, thus it is reasonable to expect that there were some changes between the 2003 edition of -537 and the 2008 'normed' edition.

It is also reasonable to expect that -537 looks a lot like it did in the 2003 edition.  You're going to have to buy a 2008 and look at the revision history.  A 'plain' API-537 2008 costs $210 and a 'redlined' one [showing all the changes and reworking] costs $263.

http://www.techstreet.com/index.html

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