Roof pressure test water test, fire hydrant on the pressure gauge should usually indicate how much?!
Hydrants, officially called fire hydrants, are a type of fixed fire fighting facilities, which control fuel, insulate fire and eliminate fire. Indoor fire hydrant and outdoor hydrant. The fire fighting system includes outdoor fire hydrant system, indoor fire hydrant system, fire extinguisher system, and some automatic sprinkler system, water gun system, gas fire extinguishing system, fire detection system, water mist system and so on. Fire hydrant mainly for fire engines from the municipal water supply network or outdoor fire water network to implement fire fighting, can also be directly connected to the hose, water gun fire extinguishing. Therefore, indoor and outdoor fire hydrant system is also one of the important fire fighting facilities.
Fire hydrant system is not the end testing device, usually on the roof will be provided with a roof hydrant, used to test the hydraulic end testing device is mainly used to test the automatic sprinkler system pipe network pressure, generally each floor set at least at the most unfavorable position in the floor, at the end of the pipe generally have a hydrostatic pressure gauge in general, the pressure is greater than 5 kg of qualified there is the end of drainage test, the central control cabinet must be water spray pump, pump start signal indicating signal, to test whether the system linkage.
Generally greater than or equal to 0.1Mpa, to ensure that the hydrant water pressure, water column height.
