JOINT CNATION STANDARD FOR SAFETY Hose and Hose Assemblies forDispensing Flammable andCombustible Liquids

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标准简介

ANSI/CAN/UL 330:2021 JOINT CNATION STANDARD FOR SAFETY Hose and Hose Assemblies forDispensing Flammable andCombustible Liquids1 Scope1.1 This Standard sets forth minimum requirements for hose and hose assemblies，including vaporrecovery hose and assemblies, for use on dispensing devices for flammable and combustible liquids.Ahose assembly consists of flexible hose and fittings suitable for attachment to flammable and combustibleliquid dispensing equipment.1.2Hose assemblies are intended for use:a) In the United States, in accordance with the Automotive and Marine Service Station Code ofNational Fire Protection Association,NFPA 30A; orb) In Canada, in accordance with the National Fire Code of Canada.1.3 These requirements cover hose and hose assemblies (hose with couplings attached) in sizes up toand including 1-1/2 in (40 mm).1.4 Hose for conveying liquid fuel is intended for use at a maximum working pressure of 50 psi (350kPa).Hose for conveying vapors of fuel is intended for use at a maximum working pressure of 0.5 psi(3.5kPa), including slight negative pressures from vapor assist systems.1.5 These requirements cover hose and hose assemblies for use at temperatures down to -40°F(-

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