UL 644 Container Assemblies for LP-Gas

standard by Underwriters Laboratories, 02/18/2000

Full Description

These requirements cover aboveground, underground, and interchangeable (aboveground or underground) stationary container assemblies for liquefied petroleumgases which include any material having a vapor pressure not exceeding that allowed for commercial propane composed predominately of the followinghydrocarbons, either by themselves or as mixtures: propane, propylene, butane (normal butane or isobutane), and butylenes. These container assemblies areprovided with tanks constructed under the appropriate provisions of the current edition of the Boiler and Pressure Vessel Code of the American Society ofMechanical Engineers (ASME).

Container assemblies covered by these requirements are those using fuel storage tanks having a water capacity of 2000 gallons (7.57 m3) or less and designed fordelivery of fuel in the gaseous phase, but they may also incorporate a liquid take-off in addition to a vapor take-off.

Container assembly installations are intended to be made in accordance with the Liquefied Petroleum Gas Code (National Fire Codes, Vol. 2), NFPA 58. They arenot intended for use in chemical, petrochemical, petroleum, or utility power plants; nor pipeline or marine terminals; nor related storage facilities at such plants orterminals.

Product Details

Edition: 8th Published: 02/18/2000