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What is Single Stage Pump?

Released on May. 28, 2018

Single-stage pump refers to a pump with only one impeller. The maximum lift of a single-stage pump is only 125 meters. It has a simple structure, stable performance, high speed, small size, light weight, high efficiency, large flow, easy operation and maintenance, etc. Excellent features. It includes single stage end suction pump, single stage double suction pump and so on.

Single Stage End Suction Pump

Classification of single stage pump

According to the installation location of the motor is divided into: horizontal single-stage pump, vertical single-stage pump. Typical horizontal single-stage pumps are typically IS type, IR type, IY type, etc. Vertical single-stage pumps are represented by the ISG type.

According to the suction flow path can be divided into: single-stage single-suction centrifugal pump, single-stage double-suction centrifugal pump. The single-stage single-suction centrifugal pump is represented by the IS type, and the single-stage double-suction centrifugal pump is represented by the S-type.

Composition: The single-stage pump includes a pump body, a pump cover, an electric motor with an output shaft, a pump shaft installed in a single-stage pump body, a bearing housing, an impeller, a mechanical seal, and a gland seal, characterized in that it also includes A counter-jaw coupling disposed between the output shaft of the motor and the pump shaft, and a guide bearing mounted on the bearing seat to assist the support of the pump shaft; the wafer-type coupling and the output shaft and the pump shaft of the motor are respectively rigid Connection, leaving a space between the motor output shaft and the pump shaft to facilitate the mechanical seal and the gland seal assembly and disassembly. It is not necessary to disassemble the motor and pump cover when repairing or replacing the mechanical seal.

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