l70L pipeless network heptafluoropropane fire extinguishing system theoretical fire extinguishing design concentration needs to be less than or equal to 1.3 times the fire extinguishing concentration, the inerting design concentration must be greater than or equal to 1.1 times the inerting concentration;
l Oil-immersed transformer room, power distribution room with oil switch, and self-provided generator room and other protection areas. The fire-extinguishing design concentration of the fire-extinguishing system should be 9%;
l For books, bills, cultural relics databases and archives, the fire suppression design concentration of the fire suppression system should be 10%;
l In protective areas such as communication room and computer room, the fire extinguishing design concentration of the fire extinguishing system should be 8%;
l The actual application concentration in the protected area must be less than or equal to 1.1 times the fire protection design concentration;
l In protected areas such as communication room and electronic computer room, the designed discharge time should not be longer than 8s; in other protected areas, the designed discharge time should not be longer than 10s;
The filling capacity of l70L pipeless heptafluoropropane fire extinguishing system per unit volume is less than or equal to 1120kg / m³.