How To Choose A Fire Pump

Oct 02, 2024

The selection of fire water pumps is very important. Below, we will introduce the relevant knowledge on how to select fire water pumps.
The role of fire pumps is irreplaceable, but the author and other fire supervision personnel found during the acceptance and supervision inspection of construction projects that some owners and construction and maintenance management personnel do not attach great importance to it, often neglecting the selection and setting of fire pumps, resulting in the building's water fire extinguishing system suffering from "congenital heart disease".

Selection of fire water pump:
The selection of fire pumps mainly considers factors such as the water flow rate and head required for the fire extinguishing system in the event of a fire. Unlike domestic water supply pumps, fire pumps do not require consideration of the changing patterns of water usage. Different flow rates of pumps need to be selected to regulate water flow in order to achieve economic benefits.
When choosing a fire pump, while meeting the requirements of flow rate and head, the following points should also be considered:
1. Try to choose a centrifugal pump.
For fire water in general buildings, the head and flow range are relatively wide, and centrifugal pumps have a wide range of working areas. There are also many varieties, series, and specifications of products on the market, which are easy to choose and maintain. At the same time, centrifugal pumps can be operated for a short period of time (2-3 minutes) by closing the gate, and the operation is relatively stable, which has certain significance for maintenance and management.
2. High efficiency water pumps should be selected.
Try to use only one water pump to meet the flow and head requirements for protecting the entire fire extinguishing system of the building.
3. To ensure the reliability of fire water supply,a certain number of backup pumps need to be configured.
The standby pump, like the working pump, should be in a state where it can be started at any time, and its working capacity should not be less than the largest fire working pump, to ensure that the fire pump can continue to work without interruption of water supply during fire fighting.
4. Consider the setting of the water pump when selecting.
You can consider choosing a vertical pump to save space.
In addition, to ensure that the fire water pump can start quickly, self priming water intake should be used. If it is difficult to use self priming water intake, reliable and fast water intake equipment must be available.
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