DB53/T 398-2012 Specifications for design, construction and acceptance of fixed gas type supersonic dry powder fire extinguishing system (English Version)
Yunnan Provincial Standard of the People's Republic of China
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DB53/T 398-2012
Scope
This standard specifies the terms and definitions, basic requirements, system design, installation, acceptance and maintenance of fixed gas-type supersonic dry powder fire extinguishing systems. This standard applies to fixed gas-type supersonic dry powder fire extinguishing systems in construction projects. This system can be used to put out the following fires:
——Gas fires where the gas source can be cut off before extinguishing the fire;
——Fires involving flammable, combustible liquids and meltable solids;
——Fires on combustible solid surfaces;
——Fires involving live equipment. This system is not suitable for extinguishing fires involving the following materials:
——Nitrocellulose, explosives and other chemical substances and strong oxidants that can be rapidly oxidized without air;
——Potassium, sodium, magnesium, titanium, zirconium and other active metals and their hydrides.
DB53/T 398-2012 history
2012DB53/T 398-2012 Specifications for design, construction and acceptance of fixed gas type supersonic dry powder fire extinguishing system