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How to select fire pump material
Nov 06, 2018

How to select fire pump material


In addition to simply protecting the internal system of fire pump, the pump housing of fire pump can also realize energy conversion, effectively convert kinetic energy into pressure energy, and connect other components into a whole, playing a supporting role. In addition, the pump shell of the fire pump also plays the role of evenly introducing the liquid into the impeller, and collecting the liquid from the impeller at high speed, thus feeding it into the outlet to play the role of exporting. For this reason, the material of the pump shell of the fire pump is not random. Generally speaking, the material of the pump shell of the fire pump needs to meet the following requirements.  

          
1: the material of the pump shell of the fire pump needs sufficient strength and rigidity.          
2: the material of the pump shell of the fire pump is as light as possible.           
3: the material of the pump shell of the fire pump needs high sealing.           
4: the surface of the pump shell of the fire pump is smooth and can be worn for long time.           
5: the material of the pump shell of the fire pump needs a high anti-corrosion function. 


Generally speaking, most of the fire pump housing is cast iron, because the hardness is enough, so even if the iron pump housing is not light, it is also widely used. The shell of a fire pump made of iron may be cracked by mechanical or thermal stress. Therefore, it is also very prone to failure. Moreover, the pump shell of the fire pump uses red paint to protect the pump shell from external corrosion. For this reason, general fire pump suppliers will pay special attention to daily maintenance after you purchase fire pump. For example, whether the paint on the surface of the pump shell is off, does it need to be repaired? The surface of the pump shell is damaged by hard material, uneven and damaged.


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