According to the pump shaft direction: it can be divided into horizontal, vertical, and inclined.
According to the casing split type: it is divided into radial split type and axial split type.
According to the number of stages: it is divided into single-stage and multi-stage.
According to the suction form: it is divided into single suction and double suction.
According to the material: it is divided into cast iron pumps, stainless steel pumps, plastic pumps, fluoroplastic pumps, engineering plastic pumps, etc.
According to the structural form: it is divided into centrifugal pumps, diaphragm pumps, gear pumps, plunger pumps, reciprocating pumps, vacuum pumps, jet pumps, etc.
According to special structures: it is divided into submerged type, cylindrical type, double-walled shell type, pit cylindrical type, extraction type, self-priming type, submerged liquid type, and shielded shell type, etc.
According to Applications: it is divided into boiler feed pumps, circulating water pumps, sewage pumps, magazine pumps, mortar pumps, slurry pumps, wastewater pumps, clean water pumps, fire pumps, process pumps, etc.
According to the drive method: it is divided into