Pump Knowledge

Analysis and Harm of Pumping Water Hammer in Pump Station

Due to the sharp change of the flow velocity in the pressure pipeline, the hydraulic shock phenomenon causing the water flow pressure in the pipeline ...

Reasons for the efficiency of centrifugal pumps and improvement measures

The factors affecting the efficiency of the centrifugal pump set are analyzed, and improvement measures are proposed to improve the operating efficien...

Multistage inline pump single-end mechanical seal

The multi-stage inline pump design uses a single-end mechanical seal. It should be noted that the mechanical seal has many shortcomings such as high n...

Inspection and repair of inline sewage pump parts

Inspection and repair of inline sewage pump parts The inspection and repair of parts are divided into mouth ring, impeller, balance device, shaft sea...

What is the difference between the positive pressure pump and the negative pressure pump?

Generally, the pump has two ports of intake and exhaust. It can be called “negative pressure” at the inlet port below the atmospheric pres...

Three-phase power

A circuit powered by a three-phase AC power supply, referred to as a three-phase circuit. A three-phase AC power supply is a power supply capable of p...

Why centrifugal pump head and flow rate meets the requirements but the efficiency is low

Centrifugal pumps sometimes have problems with head flow requirements but low efficiency. What is the cause of this problem? In response to this prob...

High lift submersible pump installation and use and precautions

High lift submersible pump installation and use and precautions 1. First check if the bolts are loose, the power cord and plug are intact, and the mo...

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