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Subcommittee on Pressure Relieving Systems

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Welcome to the home page of the API Subcommittee on Pressure-Relieving Systems (SCPRS).  The SCPRS develops standards and recommended practices covering the sizing, selection, and installation of pressure-relief devices used to protect unfired pressure vessels in the refining and petrochemical industries.  The SCPRS also establishes venting requirements for aboveground and underground liquid petroleum storage tanks.  Each meeting of the committee provides a forum for an information exchange on problems and opportunities where industry experts share experiences from operations around the world.

The SCPRS work program of documents includes:

  • Std 520 - Sizing, Selection, and Installation of Pressure-Relieving Devices 
    Part I - Sizing and Selection
    Part II - Installation
  • Std 521 - Pressure-Relieving and Depressuring Systems
  • Std 526 - Flanged Steel Pressure Relief Valves
  • Std 527 - Seat Tightness of Pressure Relief Valves
  • Std 2000 - Venting Atmospheric and Low-Pressure Storage Tanks (Nonrefrigerated and Refrigerated)  


SCPRS Chair:   Matt Brewer, BP
SCPRS Vice-Chair:   Eli Vatland Johansen, Equinor
API 520 Task Force Chair: Phil Henry, Equity Engineering
API 521 Task Force Chair: Mike Porter, Chevron
API 526-527 Task Force Chair: Thakor Patel, Curtiss-Wright
API 2000 Taskforce Co-Chairs: Kevin Campbell , Shell and Don Griglack,Phillips 66

Thank you for attending the API 2019 Spring Refining and Equipment Standards Meeting. 

The next API Refining Meeting is the 2019 Fall Refining and Equipment Standards Meeting is planned for November 18 - 22, 2019 at the Hyatt Regency Atlanta in Atlanta, Georgia.

Click on “Calendar of Events" under Links for meeting logistics and other information.

 
 

 Meeting Agendas - Public Access

Folder: 2019 - Fall2019 - Fallmatthew.brewer@bp.com
Folder: 2016 - Spring2016 - Springdaniel.pulis@siemens.com
Folder: 2016 - Fall2016 - Falldaniel.pulis@siemens.com
Folder: 2015 - Spring2015 - Springdaniel.pulis@siemens.com
Folder: 2015 - Fall2015 - Falldaniel.pulis@siemens.com
Folder: 2014 - Spring2014 - Springdaniel.pulis@siemens.com
Folder: 2014 - Fall2014 - Falldaniel.pulis@siemens.com
Folder: 2013 - Spring2013 - Springdaniel.pulis@siemens.com
Folder: 2013 - Fall2013 - Falldaniel.pulis@siemens.com
Folder: 2019 - Spring2019 - Springdaniel.pulis@siemens.com
Folder: 2018 - Spring2018 - Springdaniel.pulis@siemens.com
Folder: 2018 - Fall2018 - Falldaniel.pulis@siemens.com
Folder: 2017 - Fall2017 - Falldaniel.pulis@siemens.com
Folder: 2017 - Spring2017 - Springdaniel.pulis@siemens.com
Folder: 2012 - Fall2012 - Fallcrimaudos@api.org
Folder: 2012 - Spring2012 - Springcrimaudos@api.org
Folder: 2011 - Fall2011 - Fallcrimaudos@api.org
Folder: 2011 - Spring2011 - Springcrimaudos@api.org
Folder: 2010 - Fall2010 - Fallcrimaudos@api.org
Folder: 2010 - Spring2010 - Springcrimaudos@api.org
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 Links

  Reference Documents
  API Calendar of Events
  CRE Documents
 

 Open Ballots

 Ballot IDStatusResultsOpensClosesDescription
Committee ID : 439SCPRS Subcommittee
4869ClosedResolution Required07/29/201909/09/2019API RP 572 Inspection Practices Pressure Vessels, 5th Ed, 1st Ballot
4890ClosedResolution Required08/16/201909/27/2019API Std 520 Part II 7th edition Ballot 2
4900ClosedResolution Required08/28/201910/01/2019API Std 527 5th Ed Seat Tightness first ballot markup
4835ClosedResolution Required06/10/201910/04/2019Std. 537 (Flare Details) 3rd Edition, Addendum 1 Approval Ballot
4948ClosedResolution Required10/02/201911/01/2019API Std 2000 ballot item 12 LNG Tanks
4947ClosedResolution Required10/02/201911/01/2019API Std 2000 ballot item 15 Line Clearing
4949ClosedResolution Required10/02/201911/01/2019API Std 2000 ballot item 16 wet insulation
 
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