Pump Knowledge

Classification of metering pumps and method of selection and application

1. How to choose the pressure of the metering pump? 　　When choosing a metering pump, it is generally necessary to know the rated pressure, rat...

Analysis of 4 Reasons for Water Pump Vibration

　　 There are many reasons for the vibration of the unit and the pump room building. In summary, there are mainly the following four reasons. 　　 1: El...

Common leakage phenomenon of centrifugal pumps

Common leakage phenomenon 　　A. Periodic leakage 　　(1) The axial movement of the pump rotor is large, and the interference between the auxiliary seal...

Introduction to the use of submersible sewage pump and impeller

　　 Sewage pumps come in many forms: submersible and dry. The most common dry sewage pumps are W-type horizontal sewage pumps and WL-type vertical sewa...

Matters needing attention when testing the centrifugal pump after overhaul

　　 1. Carry out the test run according to the test run plan or operating procedures. The pump body should be preheated before the test run. When the p...

Eliminate the failure of no water after the axial flow pump is started

The reasons for the failure of the axial flow pump without water are as follows: 　　 1. The water pump is reversed. 　　 2. the speed of the water pump...

Stainless steel deep well submersible pump can not start

　　The reason why the stainless steel deep well submersible pump cannot be started: 　　 1: There is no power or the switch is not closed; 　　2: The pow...

Insufficient pump flow ratio

　1. The decrease in the flow rate of the water pump is not the reason for the speed. Because its matching motor is not variable frequency, the frequen...

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