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Question:

Fire hydrant has been on the water, fire pump can start?

Fire hydrant has been on the water, fire pump can start?

Answer:

If there is a constant pressure pump and the flow of the stabilizing pump is less than the flow of the hydrant, the fire pump can be started when the pressure of the pipe network is reduced and the starting pump pressure is reached. Of course, if there is a day pool, or constant pressure pump flow can supply fire hydrant discharge flow, it will not start the large pump.
Can not.There is no high water tank and voltage regulator, will not start the pressure regulator pump. If yes, it will start the constant pressure pump.The following big pump is started by fire hydrant button, not press the hydrant button, how to drain the water, will not start the big pump.If you need to start, press the hydrant button.The main fire engine hits the automatic state, and the fire control cabinet hits the automatic state.
If the hydrant system has a wet alarm valve, it will start the fire pump. Fire hydrant not only rely on the pump button to start, the same as the wet alarm valve, water signal line feedback to the fire center, start the fire pump.

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