G-6.1: Standard for Large Insulated Liquid Carbon Dioxide Systems at User Sites

This publication covers the design, location, installation, operation, and maintenance of large insulated liquid carbon dioxide supply systems located at user sites where each container has a liquid capacity of greater than 1000 lb. Industry often refers to these as bulk systems. The system covered is from the container fill connections to the user’s process piping.

It also contains minimum requirements and recommended practices for the design, construction, installation, operation, and maintenance of such systems.

This publication is intended to serve as a guide for regulatory authorities in writing regulations and to assist designers, inspectors, and other interested parties.

Small, stationary, insulated carbon dioxide systems with containers having individual capacities of 1000 lb or less and designed, manufactured, and certified in accordance with ASME Boiler & Pressure Vessel Code, Section VIII, Division 1 requirements are not covered by this publication, refer to CGA G-6.5, Standard for Small Stationary Insulated Carbon Dioxide Supply Systems.

Stationary, uninsulated carbon dioxide systems are outside the scope of this publication.

To ensure personnel safety and proper system design, reference to CGA G-6 is highly recommended. Without obtaining CGA G-6, the reader will not be provided significant information related to the physical properties and common hazards associated with storage, production, transportation, and handling of carbon dioxide.
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October 2022
Available To the Public
20 pages
Special Attributes:
Referenced by NFPA
Carbon Dioxide
G-6  |  G-6.12  |  G-6.2  |  G-6.3  |  G-6.4  |  G-6.5  |  G-6.6  |  G-6.7  |  V-6