S-749 Plate Heat Exchangers (API) specification launched for public review

JIP33 has issued the S-749 Plate Heat Exchangers (API) specification for public  review.  The consultation period runs for 5 weeks and will close on Monday, 10 April 2023 at 23:00 GMT.

The purpose of this specification is to define a minimum common set of requirements for the procurement of plate heat exchangers in accordance with API Standard 667, First Edition, March 2022, Plate-and-Frame heat Exchangers for application in the petroleum and natural gas industries.

The JIP33 standardized procurement specification follows a common document structure, comprising of five documents.  As previously advised, going forward the Specification with Justifications has now been added, which together with the purchase order define the overall technical specification for procurement.

The files are available to download at S-749 Plate Heat Exchangers (API) – JIP33 (

Instructions on providing feedback can be found on our Specification Development page.

Updates and future specifications will be announced via the project’s mailing listLinkedIn and Twitter profile.

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