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Wednesday, July 16, 2008

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American Petroleum Petroleum (API) released the API Std 521, Pressure Relieving and Depressuring Systems early of 2007. As usual, there are some mistakes spotted in the this Standard. First errata that i received was dated June 21, 2007. Detail read here.

American Petroleum Petroleum (API) has released latest Addendum May 2008. Several sections in API Std 521 - ISO 23251 - Ed 5 - Jan 2007 - Pressure-relieving and Depressuring Systems have been updated in ADDENDUM, MAY 2008.

The updated sections are :
  • 5.15.7.4 Liquid cooling service (Partly revised)
  • 5.23 Overfilling process or surge vessel (Added)
  • 6.6.2.3 (Partly in revised)
  • 6.7 Disposal through common vent stack (Added)
  • 7.3.2.1.2 (Partly revised)
  • 7.3.2.3 Knockout drums venting to atmosphere (Added)
  • 7.3.2.4 Design details (Partly revised)
  • 7.3.4.1 Sizing (Partly revised)
  • 7.3.4.2 Design details (Partly revised)
  • Bibliography (Partly revised
The following is the tabulation of both existing API Std 521 and Revised section in Addendum May 2008.





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If you find anymore mistake or error in this standard, please drop a comments or sent me an Email . I will take the necessary action from there...

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posted by Webworm, 4:31 PM

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