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 Subcommittee Scope

Welcome to the home page for the CRE Subcommittee on Heat Transfer Equipment (SCHTE). This site offers information on upcoming meetings, allows questions to be posted for the upcoming roundtable discussions and provides information on the status of standards and due dates for documents managed by the SCHTE. Documents under development and revision are also available for review. Rosters may be posted for information and use among the Subcommittee and should not be distributed outside of the members.

Mission: The SCHTE prepares, reviews and updates relevant standards, provides forums for keeping abreast of industry technology, maintains liaison activities with other standard-writing bodies, sponsors general interest sessions and provides the US input to related standards in ISO.

The following documents are under the purview of the SCHTE:

  • Std. 530 - Calculation of Heater Tube Thickness in Petroleum Refineries
  • RP 534 - Heat Recovery Steam Generators
  • RP 535 - Burners for Fired Heaters in General Refinery Services
  • Std. 536 - Post Combustion NOx Control for Equipment in General Refinery Services
  • *ANSI/API Std. 537 - Flare Details for General Refinery and Petrochemical Service
  • Std. 538 - Industrial Fired Boilers
  • *Std. 560 - Fired Heaters for General Refinery Services
  • Std. 561 - Reforming Furnaces for Hydrogen and Syngas Production (proposed new American National Standard)
  • Std. 565 - Thermal Reactors in Sulfur Recovery Units for Gen. Refinery Ser. (proposed new American National Standard)
  • Std. 660 - Shell-and-tube Heat Exchangers
  • Std. 661 - Petroleum, Petrochemical, and Natural Gas Industries--Air-cooled Heat Exchangers
  • Std. 663 - Hairpin-type Heat Exchangers
  • Std. 664 - Spiral Plate Heat Exchangers
  • Std. 667 - Plate & Frame Heat Exchangers for Gen. Refinery Services (proposed new Std. to replace Std. 662, Part 1)
  • Std. 668 - Brazed Aluminum Plate-fin HEs for Gen. Refinery Services (proposed new Std. to replace Std. 662, Part 2)
  • RP 669 - Heat Recovery Systems (proposed new Recommended Practice)
  • Std. 810 - Welded Plate-Block Heat Exchangers (proposed new American National Standard)

*NOTE: ANSI/API Std. 537 and API Std. 560 are under continuous maintenance. Revision proposals may be submitted at any time for consideration and should be submitted through the API staff contact for the SCHTE, Jordan Strickler​

Chair: Walter Gull, Birwelco USA Inc.
Vice-Chair: Allen Miller, Shell Projects and Technology (US)



Thank you for attending the API 2021 Fall Refining and Equipment Standards Meeting. 

The 2022 Spring API Refining and Equipment Standards Meeting will be held on May 16-20 in Chicago at the Hyatt Regency Chicago. 

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

Folder: 2019 Spring Meeting2019 Spring
Folder: Reference DocumentsReference
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 Joint SCHTE-SOICS RP 556 Documents My Committees Page
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 Ballots and Draft Review

 Ballot IDStatusResultsOpensClosesDescription
Committee ID : 19082308SCHTE Heat Transfer Consensus Group - Fired Equipment
5458ClosedIn Progress03/30/202105/07/2021API 530 7th Addendum 2
5569ClosedIn Progress08/18/202109/29/2021API 535 4th Edition FOR COMMENT ONLY
5567ClosedIn Progress08/18/202111/09/2021API 560 5th Edition Addendum 2
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