Geographic Area(s)
North America

This standard contains requirements for pressure relief devices intended for use on fuel containers that comply with CSA B51, Part 2 Boiler, Pressure Vessel and Pressure Piping Code, SAE J2579, Technical Information Report for Fuel Systems in Fuel Cell and Other Hydrogen Vehicles or ISO DIS 15869.2, Gaseous hydrogen and hydrogen blends – Land vehicle fuel tanks. Pressure relief devices designed to comply with this standard are intended to be used with hydrogen fuel complying with SAE J2719 Information Report on the Development of a Hydrogen Quality Guideline for Fuel Cell Vehicles, or ISO 14687 Hydrogen Fuel-Product Specification.

Status Explanation

Published as a CSA standard in April 2009 and March 2013. Approved as an ANSI standard. Re-affirmed in 2018. Revision published in March 2021. Available from and

Committee Information

Chairman: Brick Girouard Secretariat: CSA America Secretary: Jonathan Venalainen