Why can't indoor fire hydrants be shared with outdoor hydrants?
1, indoor fire hydrant is to supply water to the building, with the valve interface, as factories, warehouses, high-rise buildings, public buildings, shopping malls, residential floor, and ships and other indoor fixed fire facility, usually installed in the fire hydrant box, fire hose with water cannons and other equipment and facilities, including a high-rise building roof storage tank if the indoor fire hydrant directly connected to the storage tank, fire hydrant extinguishing method is artificial water belt connected to the fire hydrant, fire hydrant and fire hydrant button box in addition, press this button to start the fire hydrant pump to remote water.
Outdoor fire hydrant is directly to the water supply network, the largest diameter of municipal water pipe network, fire hydrant and fire hydrant of different need to use special tools to open or close, usually by firefighters to operate, mainly for the fire fire water supply network, the implementation of fire water from the municipal water supply network or outside, is important fire fire fighting facilities.
Its role is for the internal fire hydrant fire fighting personnel units within the building fires and use, in order to outdoor fire hydrant fire brigade from the periphery building water feeder, including pool fire is to add water when the indoor fire, fire, fire pipeline due to high temperature and burst damage, not normal water supply, and outdoor fire hydrant basic will not be affected by objective factors, indoor fire hydrant and outdoor fire hydrant can not be shared, in order to prevent the damage caused by the fire pipeline paralyzed somewhere, the fire water supply system, which can not use the backup water source timely fire.
