GA 400-2002 in English

Scope

This standard specifies the fire extinguishing agent bottle group, container, container valve, nozzle, selector valve, one-way valve, header pipe, connecting pipe, safety relief device, driving device, control panel, inspection device, etc. in the gas fire extinguishing system and its components. Performance requirements, test methods, inspection rules and instructions for use of leakage devices, signal feedback devices, pressure reducing devices, pipeline fittings and hook brackets. This standard applies to heptafluoropropane (HFC-227ea) fire extinguishing systems, trifluoromethane (HFC-23) fire extinguishing systems, and inert gas fire extinguishing systems, including: hydrogen (IG-01) fire extinguishing systems, nitrogen (IG-100) fire extinguishing systems, argon Nitrogen (IG-55) fire extinguishing system, mixed gas (IG-541) fire extinguishing system]. Gas fire extinguishing systems using other types of fire extinguishing agents can also be adopted. This standard does not apply to carbon dioxide fire extinguishing systems, haloalkane 1211 fire extinguishing systems, and haloalkanes. 1301 fire extinguishing system.