CGA P-97

The purpose of this publication is to provide:

• Reference material and guidelines to personnel who fill, store, distribute, inspect, maintain, or requalify liquefied petroleum gas (LPG) cylinders and to ensure compliance with applicable safety and regulatory requirements; and
• Information on proper selection, handling, and maintenance of cylinder valves and the CG-7 pressure relief valve (PRV). This information is limited to U.S. Department of Transportation (DOT) and Transport Canada (TC) refillable cylinder designs.

For the purposes of this publication, LPG includes but is not limited to butane, commercial propane, propylene, and mixtures of these products.