1. The fire pipeline network is the water pipeline used for fire prevention and fire extinguishing;
2. Fire-fighting pipeline refers to the pipeline materials used for fire-fighting, connecting fire-fighting equipment and equipment, and transporting fire-fighting water, gas or other media;
3. Due to special requirements, the thickness and material of fire pipes have special requirements, and red paint is sprayed to transport fire water;
4. Pipes cast by high-speed centrifugal casting of centrifugal ductile iron machines after adding nodulizers from casting molten iron above No. 18 are called "ductile iron pipes".
5. The outdoor fire pipe ring network system is a fire water supply system arranged in a ring around the building. The main function is to meet the indoor fire water and outdoor fire water requirements of the building, and it is arranged in a ring to ensure the safety of water supply. Whether to connect the municipal water supply network depends on whether the municipal water supply can meet the fire water requirements of the building.
6. If it cannot be satisfied, it is necessary to build a separate fire-fighting water supply system, including fire-fighting pools and fire-fighting water pump rooms.
