800. 5 square meters / one.
Please refer to:
GB 50084-2001 automatic sprinkler system design specifications.
GB 50166-2008 Design Code for Automatic Fire Alarm Systems.
GB 50016-2006 fire code for building design.
Extended information:
The design principle of the fire sprinkler system is based on the area of the use of the place as well as the objects that need to be firefighting and to decide on the number of sprinkler heads and the type of.
Number of sprinkler heads:
General factory buildings, entertainment venues every 10 - 20 square meters of the scope of the arrangement of a sprinkler head, while the warehouse is relatively denser, every 5 - 10 square meters of the scope of the arrangement of a sprinkler head.
Type of choice:
Different types of showerheads can be selected according to the different places:
1. Sagging showerhead:
Sagging showerhead is the most widely used type of nozzle, sagging installed on the water supply pipeline, the shape of the sprinkler for the parabolic type, the total amount of water sprayed to the ground 80-100%. Mainly used in places that do not require decoration, such as workshops, warehouses, parking garages, kitchens and other places.
2. Upright shower head:
Suitable for installation in the more mobile, easy to impact places such as warehouses, but also can be installed in the room ceiling mezzanine in the roof in order to protect the more flammable materials ceiling top boron.
Upright sprinkler head upright installed in the water supply pipe, sprinkler shape for the parabolic body type, the total amount of water 80 ~ 100% downward spray, while there is a part of the spray to the ceiling.
3. Ordinary sprinkler head:
Suitable for restaurants, stores, warehouses, underground garages and other places. Ordinary type sprinkler head can be installed directly, but also can be installed in the lower hanging on the spray pipe network, the total amount of water 40% -60% of the downward spray, the larger part of the spray to the ceiling.
4. Side-wall sprinkler head:
Suitable for places where piping is difficult, side-wall sprinkler sprinkler head installed against the wall. Mainly used in offices, foyers, lounges, corridors guest rooms and other light hazardous parts of the building.
Baidu Encyclopedia-Automatic Sprinkler System Design Code
Baidu Encyclopedia-Fire Sprinkler System