What's the difference between an indoor fire hydrant and an outdoor hydrant?
The outdoor fire hydrant is set at the outside of the building fire water supply pipe network of water supply facilities, mainly for fire engines from the municipal water supply pipe network or outdoor fire water supply network implementation of fire water, can also be directly connected with a hose and a water gun water fire, fire facilities and fire fighting is important.
The surface difference; outdoor generally has three outlets. 65 caliber two, 100 one, or 80 two, 150 one. Indoor is generally 65 caliber outlet, the number of one or two. There is a difference in hydraulic requirements. Different uses, as the brothers said.
Outdoor fire water supply pipeline with high pressure, temporary high pressure and low pressure pipelines, towns, residential areas, enterprises and institutions of the outdoor fire water supply, generally uses the low pressure water supply system, often with life and production water supply pipeline with.
The indoor fire hydrant fire way is the artificial water belt to connect to the hydrant mouth to extinguish the fire, moreover, the fire hydrant box also has the fire hydrant button, according to this button, may start the fire pump remotely, carries on the water supplement to the fire hydrant.
Indoor fire hydrant is indoor pipe to fire water, with a valve interface, as factories, warehouses, high-rise buildings, public buildings and ships and other indoor fixed fire facility, usually installed in the fire hydrant box, fire hose and water use and auxiliary equipment etc..
