These requirements cover pipe unions to be employed in piping carrying designated flammable or combustible fluids or in piping connections to equipment supplyingwater for fire-protection service.
“Flammable and Combustible Fluids,” as used herein, means gases and liquids that are usually considered to be flammable or combustible, such as acetylene, fuel oil,gasoline, kerosene, liquefied petroleum gas, and manufactured and natural fuel gases.
Requirements for the installation and use of the pipe unions covered by these requirements are included in the Standards of the National Fire Protection Associationpertaining to storage and use of flammable and combustible fluids, such as NFPA Nos. 30, 31, 32, 51, 54, 58 ; and pertaining to the installation of fire-protectionsystems, such as NFPA Nos. 11, 12, 13, 14, 15, 16, 17, 20, 22, and 24 .
A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this Standard, andthat involves a risk of fire, electric shock, or injury to persons shall be evaluated using the appropriate additional component and end-product requirements todetermine that the level of safety as originally anticipated by the intent of this Standard is maintained. A product whose features, characteristics, components,materials, or systems conflict with specific requirements or provisions of this Standard shall not be judged to comply with this Standard. Where appropriate, revisionof requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this Standard.
- Edition:
- 6th
- Published:
- 01/01/1993
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