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Question:

What is the difference between a fire pump and a living water pump?

Standard said that the fire pump should be certified by fire water pump, fire water pump and living water pump what is the difference?In addition to the brand, the same function of the pump, the impact of its price factors? Please advise Master ~ ~ ~ ~ ~ only feel so hard ah

Answer:

1, fire pump is actually divided into many kinds, such as car, fire hydrant system, spray system, etc., life pump is also, the distinction between them is sometimes difficult to tell the exact. Simply put, the fire pump in its design must meet the corresponding fire requirements, such as pressure, speed, work adaptability, etc., specific requirements can be found in "national standard GB 6245-2006, fire pump Fire, pumps""2, the same function of fire water pump, its price is relatively stable. I personally feel that we must find more manufacturers to understand the reasons for the price difference, and then make a choice.
The biggest difference between a fire pump and an ordinary pump is the performance curve".Fire water pump is tangent pump, that is to say, when the flow rate varies greatly, the lift head changes little. If the flow of ordinary water pump changes, head changes will be great.
Fire pump and life pump essential difference, simply said: in the materialBecause we are used every day in the life of the pump, so there is no rust phenomenon, and the fire pump can not occur even in a hundred years to spend time, even some of the fire pump until life exceed the standard is not used, only periodically, so in order to prevent emergencies caused economic losses and personnel to design special pump different from the life of pump material as fire pump. Single stage centrifugal pump. The multistage centrifugal pump and pump life principle without any distinction, but the material will cast steel replacing 304, 309 stainless steel or copper materials, different specifications of other fire pump structure, materials should use copper and stainless steel.

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