请注意:此版本的所有临时修订版将在您购买时提供。这些要求包括用于输送指定易燃或可燃液体和制冷剂的管道的配件。“船用”盖配件的要求，与船用燃料系统中输送指定易燃或可燃液体的管道一起使用。本文所用的“易燃和可燃液体”是指通常被认为是易燃或可燃的气体和液体，如乙炔、燃料 石油、汽油、煤油、液化石油气（液化石油气），以及制造和天然燃料气。本标准涵盖的配件的选择、安装和使用要求包含在国家消防标准中 与易燃和可燃液体的储存和使用有关的协会，例如:NFPA 30，易燃和可燃液体规范NFPA 31，油的安装- 燃烧设备NFPA 32、干洗设备SNFPA 51、焊接、切割和相关工艺用氧气燃料气系统的设计和安装NFPA 54、国家燃料气规范NFPA 58、液化石油气的储存和处理本标准涵盖的“船用”配件的选择、安装和使用要求包含在娱乐和娱乐标准中 商业汽艇，NFPA 302，以及美国船舶和游艇委员会的相关出版物。

Please note: All interim revisions for this edition available at time of your purchase will be included.These requirements cover fittings to be used in tubing carrying designated flammable or combustible fluids and refrigerants.The requirements for "Marine Use" cover fittings to be used with tubing carrying designated flammable or combustible fluids in the fuel systems of boats."Flammable and combustible fluids," as used herein, means gases and liquids which are usually considered to be flammable or combustible, such as acetylene, fuel oil, gasoline, kerosene, liquefied petroleum gas (LP-gas), and manufactured and natural fuel gases.Requirements for the selection, installation, and use of the fittings covered by this Standard are included in the Standards of the National Fire Protection Association pertaining to storage and use of flammable and combustible fluids, such as:NFPA 30, Flammable and Combustible Liquids CodeNFPA 31, Installation of Oil-Burning EquipmentNFPA 32, Dry Cleaning PlantsNFPA 51, Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied ProcessesNFPA 54, National Fuel Gas CodeNFPA 58, Storage and Handling of Liquefied Petroleum GasesRequirements for the selection, installation, and use of fittings for "Marine Use" as covered by this Standard are included in the Standard for Pleasure and Commercial Motor Craft, NFPA 302, and the appropriate publications of the American Boat and Yacht Council.