توضیحات :
NFPA 770 – Standard on Hybrid (Water and Inert Gas) Fire-Extinguishing Systems
۲۰۲۱ Edition
Chapter 1 Administration
۱-۱ Scope. This standard contains the minimum requirements for the design, installation, acceptance, inspection, testing, and maintenance of hybrid fire-extinguishing systems that use a combination of atomized water and inert gas to extinguish fire.
۱-۱-۱ The scope of this standard does not include systems that use only inert gas to achieve extinguishment. (See NFPA 2001.)
۱-۱-۲ The scope of this standard does not include systems that use only atomized water (water mist) to achieve extinguishment. (See NFPA 750.)
۱-۱-۳ The scope of this standard does not include twin fluid water mist systems that use inert gas to propel and/or atomize water mist droplets without generating a significant inert gas concentration in the protected space. (See NFPA 750.)
۱-۲* Purpose. This standard is prepared for the use and guidance of those charged with the purchasing, designing, installing, testing, inspecting, approving, listing, operating, or maintaining of hybrid fire-extinguishing systems, in order that such equipment will function as intended throughout its life.
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