Where does the water from the fire water tank and the fire water pool come from?

1. The water in the fire pool comes directly from the municipal water supply. The high-level water tank is used to stabilize the system pressure, usually water from the domestic water supply system. \x0d\2。 When you go to a place to manage the fire fighting system, you must first find out where the signal valve and the terminal drain valve of the automatic sprinkler system are in each fire area, and you can deal with it in time in case of emergency (close the signal gate valve and open the terminal drain valve). \x0d\3。 If set to automatic, the pump control cabinet can only be remotely controlled. Originally, automatic operation must be carried out according to the specifications, but due to poor management of most properties, automatic operation is prone to misoperation, so it is generally played in the manual position (in automatic operation, except for the fire control center, the spray pump will be started by spraying water or discharging water; Someone will press the fire hydrant button to start the fire hydrant pump, so it requires high property management) \x0d\4. The fire pump also has a constant pressure device, which will automatically stop if it exceeds the pressure limit. In addition, there are air pressure tanks and water hammer eliminators, pressure reducing valves, rubber soft joints (rubber balls at the pump outlet) and so on. These things can eliminate the instantaneous high pressure in the pipeline, so don't be careful to burst the tube. \x0d\5。 This depends on the design. But it can be estimated by experience that the pressure at the lowest position of the fire hydrant system should be equal to the building height/10+4 kg. For the automatic sprinkler system, don't look at the pressure gauge of the wet alarm valve (that is, the valve you mentioned). You should have a look at the pressure gauge of the drainage device at the end of the automatic sprinkler system in the highest fire area, as long as it is not lower than 1 kg, preferably not higher than 4 kg. \x0d\ Last sentence: The unit of pressure gauge is mostly MPa, 1 MPa = 9.8kg/cm2. Just do 10 kg.