Skip to main content
Go Search

Subcommittee on Pressure Relieving Systems

My Committees
My Rosters

 API Contact

 Subcommittee Scope

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:

  • RP 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
  • RP 527 - Seat Tightness of Pressure Relief Valves
  • Std 2000 - Venting Atmospheric and Low-Pressure Storage Tanks (Nonrefrigerated and Refrigerated)  

SCPRS Chair:   Tom Bevilacqua, XOM
SCPRS Vice-Chair:   Matt Brewer, BP
API 520 Task Force Chair: Phil Henry, Equity Engineering
API 521 Task Force Chair: Mike Porter, Chevron
API 526-527 Task Force Chair, Emile Tezzo, Emerson
API 2000 Task Force Chair: Vacant (John Burgess, Smith & Burgess interim)

Thank you for attending the API 2017 Fall Refining and Equipment Standards Meeting. 

The next API Refining Meeting is the 2018 Spring Refining and Equipment Standards Meeting planned for April 16 to 19, 2018, at the Sheraton Seattle Hotel, Seattle, Washington.

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


 Meeting Agendas - Public Access

Folder: 2018- Spring2018-
Folder: 2017- Fall2017-
Folder: 2017 - Spring2017 -
Folder: 2012 - Fall2012 -
Folder: 2012 - Spring2012 -
Folder: 2011 - Fall2011 -
Folder: 2011 - Spring2011 -
Folder: 2010 - Fall2010 -
Folder: 2010 - Spring2010 -
Folder: 2008 - Fall2008 -
Folder: 2008 - Spring2008 -
Folder: 2009 - Spring2009 -
Folder: 2009 - Fall2009 -


  Reference Documents
  API Calendar of Events
  CRE Documents

 Open Ballots

There are no items to show in this view.
Privacy Policy | Terms and Conditions | Legal Notices | Copyright 2007 - API. All rights reserved