CGA’s January 2022 Safety Publications (New Releases & Revisions)

February 25, 2022

During January 2022, the Compressed Gas Association (CGA) issued the following new, revised, and reaffirmed safety standards, technical reports, position statements, and safety posters:

CGA G-6.6, Standard for Carbon Dioxide Bulk Transfer Hoses

Released: January 26, 2022 (5th Edition)

This publication covers flexible hoses with inside diameters of 1 in (25 mm) or larger. Hoses for these applications have a normal operating pressure between 125 psi and 400 psi (860 kPa and 2760 kPa) and a maximum allowable working pressure (MAWP) of at least 450 psi (3100 kPa). These hoses shall be designed to operate in a temperature range between –65 °F and 125 °F (–54 °C and 51.7 °C).

CGA G-6.6 is prepared as a standard for manufacturers and users of carbon dioxide hoses and represents the best currently available industry practice. Information on carbon dioxide can be found in CGA G-6, Carbon Dioxide.

CGA P-1, Standard for Safe Handling of Compressed Gases in Containers

Released: January 26, 2022 (13th Edition)
Special Attribute: Referenced by NFPA (National Fire Protection Association) and ICC (International Code Council)

This standard is primarily for the users of compressed gases in containers and is based upon accepted good practices.

CGA P-1 also contains precautions that are applicable to gas suppliers and distributors.

CGA PS-24, CGA Position Statement on Use of Tapered and Parallel (Straight) Threads in Aluminum Alloy Cylinders

Released: January 12, 2022 (2nd Edition)

This position statement provides a comparison between tapered and parallel (straight) threads for use in aluminum alloy cylinders.

CGA PS-49, CGA Position Statement on Bulk Transport Vessels for the Delivery of Food Gases

Reaffirmed: January 2022 (1st Edition)

End users often have questions about dedicated bulk transport vessels such as trailers, railcars, and ISO containers for delivery of food gases in order to maintain integrity and cleanliness.

The Compressed Gas Association wants to emphasize the inherently low risk of food safety hazards entering the food gas product stream. The gas production and distribution system designs are closed and pressurized, minimizing the risk of external and cross contact contamination typical in food processing.

CGA SP-10, Safety Poster (Industrial): Misuse of Adaptors Can Be Dangerous

Reaffirmed: January 2022 (1st Edition)

This free safety poster cautions viewers that misuse of adaptors can be dangerous, even fatal.

CGA’s industrial safety posters are aimed at explaining basic safety concepts to those new to handling compressed gases and related equipment. Each poster can be printed and displayed wherever compressed gases are used, to provide a visual reminder of important safety practices in the workplace.

Available in English, French, and Spanish.

CGA TR-2, High Pressure Steel Cylinders In-Service Performance

Reaffirmed: January 2022 (1st Edition)

This CGA technical report reviews the in-service performance of DOT-3A cylinders to determine their suitability for continued use. A summary and analysis of extensive studies of fracture control is presented to determine if DOT-3A cylinders are more likely to fracture and fragment in service than DOT-3AA specification cylinders. Data on service failures of DOT-3A and DOT-3AA cylinder failures are also compiled and analyzed in this report.

CGA TR-2 provides a history of steel cylinder specifications and summarizes the procedures used for fracture and fragmentation control since steel cylinders were first manufactured. This technical report is the supporting document for CGA PS-16, CGA Position Statement on Suitability of DOT-3A Type Cylinders for Continuous Service.

CGA V-18, Standard for Required Markings and Manufacturer Identification on Post-Type Medical Cylinder Valves (Formerly TB-20)

Reaffirmed: January 2022 (1st Edition)

This publication outlines required markings for manufacturers of post-type medical cylinder valves and provides a simplified method to identify the manufacturer and manufacture date of the valve.