The difference between stainless steel multistage pumps and single-stage pumps is that they have more than two impellers with variable lift. For example, some horizontal stainless steel multistage pumps have a minimum lift of 75 meters and a maximum of 685 meters. Stainless steel multistage pump is a complex of two or more single-stage pumps. The single-stage pump is easy to handle because of its convenient operation, relatively stable performance, small size and light weight. The integration of stainless steel multistage pump is high, but its operation is complex and maintenance is difficult.
Stainless steel multistage pumps can be divided into vertical stainless steel multistage pumps and horizontal stainless steel multistage pumps. The material can be divided into stainless steel multistage pump, LG stainless steel multistage pump, MD stainless steel multistage pump, fluoroplastics stainless steel multistage pump and so on. The method of transporting materials by stainless steel multi-stage pump is to obtain centrifugal force by rotating the impeller. In addition, the gas density in the pump body will be continuously compressed and gradually pumped out, thus creating a vacuum transport environment. Stainless steel multistage pumps are widely used in petrochemical, mechanical, mineral, even pharmaceutical and food industries. Their applications include vacuum filtration, vacuum evaporation, vacuum degassing, vacuum water diversion, vacuum concentration, vacuum moisture regain and vacuum feeding, etc.
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