Publication

G-19.3: Standard for Repurposing Industrial Gas Equipment into Natural Gas Service

Abstract

The intent of this publication is to provide requirements for repurposing industrial gas equipment into natural gas service and not the reverse. Natural gas equipment, after its first use, is typically saturated with hydrocarbons. Such equipment, if improperly cleaned, poses a serious risk of oxygen related fire or explosion.

For that reason, this publication does not address repurposing natural gas equipment into other industrial gas service. Typically, industrial gas equipment is interchangeable between nitrogen, oxygen, or argon (per manufacturer’s instructions) and thus could pose a heightened risk of oxygen-related fire or explosion.

Equipment that has been used in any of the following industrial gases is covered by this publication:
• oxygen;
• helium;
• hydrogen;
• argon; and
• nitrogen.

This publication covers the following types of equipment:
• transport trailers;
• ISO tank containers;
• multi-element gas containers (MEGCs);
• cryogenic fluid bulk tanks;
• pressure vessels;
• cylinders;
• portable tanks;
• vaporizers; and
• pumps and process related equipment.

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Properties

Edition:
1
Published:
November 2020
Status:
Available To the Public
Size:
9 pages
Publisher:
CGA
Special Attributes:
Notes:
Committee:
Natural Gas Technology

Cataloging

Category
Gases     Standards & Guidelines
Keywords
compressed natural gas (CNG)  |  liquefied natural gas (LNG)
Related
G-19  |  G-19.1  |  G-19.2