Pump Knowledge

Split case pump selection steps

1. List the basic data of the split case pump: Including: the characteristics of the medium, the particle diameter of the body, the content of the me...

Sealing technology for submersible sewage pump

The so-called auxiliary impeller hydrodynamic seal means that an open impeller is mounted coaxially opposite to the back of the impeller rear cover of...

Design technology of submersible sewage pump

In a typical centrifugal pump, the power always increases with the increase of the flow rate, that is, the power curve is a curve that rises with the ...

Static balance of the impeller

When the pump rotor is working at high speed, if the mass is not balanced, a large centrifugal force will be generated when rotating, causing th...

Self-balancing multistage pump guide vanes

Self-balancing multi-stage pump guide vanes The function of the self-balancing multi-stage pump guide vanes is to convert the kinetic energy transmitt...

Multistage pump debugging and calibration method

Multistage pump elevation adjustment and initial level 1) Elevation adjustment The relative height difference (positive or negative value) between th...

9 major precautions for submersible sewage pump mechanical seal

1. All kinds of sewage pump mechanical sealing should carefully check whether the number of mechanical seal parts meets the requirements before operat...

Performance curve of inline centrifugal pump

Inline centrifugal pump performance curve has three main curves: flow-lift curve, flow-power curve, flow-efficiency curve. &n...

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