LAC 43:XI.5515. Hose and Hose Connections (Formerly §2533)

A. Hose and metallic hose shall be of or lined with materials that are resistant to corrosion and the actions of compressed natural gas (CNG). B. Hose, metallic hose, flexible metal hose, tubing, and their connections shall be suitable for the most severe pressure and temperature conditions expected under normal operating conditions with a burst pressure of at least four times the maximum working pressure. C. Hose assemblies shall be tested by the manufacturer or its designated representative prior to use at pressures equal to not less than twice the service pressure. D. Hose shall be continuously and distinctly marked, indicating the manufacturer's name or trademark, CNG service, and working pressure. Metallic hose shall have a manufacturer's permanently attached tag marked with the manufacturer's name or trademark, CNG service, and working pressure.