Working principle of fire hydrant?
Hello, this hydrant doesn't have a start button. Take a closer look at it. A hexagonal screw on the top needs a special wrench to unscrew itFire hydrant pressure is very large, ice volume will become larger, because there is pressure, water can not go back, if the fire hydrant poor quality, it is easy to crack!
You said the fire hydrant in the outdoor, this thing is actually not what this principle, and the outdoor hydrant is connected with the municipal tap water pipe network, the bolt mouth connected to the hose, use special wrench to unscrew the fire hydrant water, as the winter freeze, can only say that the fire hydrant has a problem, is not the general outdoor fire hydrant frozen, because the bottom of the two pin port has an automatic discharge port, when the fire hydrant located inside the mouth shut, bolt water outflow in automatic drainage below the mouth. Ha ha, I believe you understand.
The working principle and operation method of hydrant water supply system are:When the discovery of fire, the man opened the door of the fire hydrant box, press the alarm button, the fire control center to discover a fire alarm signal or remote start the fire pumps, then quickly pulled out of a hose and a water gun (or fire hose), water head and a fire hydrant outlet, and the other end of Mizumatsu Ko, show (left) with boiling water, open fire hydrant handwheel, hold gun (preferably with two), water (or water) produced by the body of the flow, the water body to the implementation of fire.
