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CGA S-1.1 Pressure relief device standards - Part 1 - Cylinders for compressed gases

This standard covers the requirements for pressure relief devices on cylinders with capacities up to 1000 pounds. It also applies to DOT cylinders for compressed gases. Also included the following information of pressure relief devices:

A description of the types,
Their limitations,
Design considerations,
Maintenance,
Testing, and
Application for various gases.

Current edition

CGA S-1.1-2019 Pressure Relief Device Standards - Part 1 - Cylinders for Compressed Gases, 15th Edition

Incorporation by reference

The following editions have been incorporated by reference (IBR) into the Code of Federal Regulations (CFR):

How to purchase

Standards are available for purchase from the American National Standards Institute (ANSI), see webstore.ansi.org, and from the Compressed Gas Association (CGA), see www.cganet.com.

IBR approved for	Overview of requirements	IBR approved edition
29 CFR 1910.101(c)	Compressed gas cylinders, portable tanks, and cargo tanks shall have pressure relief devices installed and maintained in accordance with Compressed Gas Association Pamphlets S-1.1-1963 and 1965 addenda.	CGA S-1.1 (1963 and 1965 Addenda) Safety Release Device Standards - Cylinders for Compressed Gases.
29 CFR 1910.103(c)(1)(iv)(a)(2)	Portable liquefied hydrogen containers complying with the U.S. Department of Transportation Regulations shall be equipped with safety relief devices as required in the U.S. Department of Transportation Specifications and Regulations. Safety relief devices shall be sized in accordance with the requirements of CGA Pamphlet S-1, Safety Relief Device Standards, Part 1, Compressed Gas Cylinders.	CGA S-1.1 (1963 and 1965 Addenda) Safety Release Device Standards - Cylinders for Compressed Gases.