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Precautions for installing wear rings of industrial centrifugal water pump

2025-05-30

Large and small wear rings of industrial pumpsCast iron large and small mouth rings shall not have cracks, and The radial clearance between the wear ring and the impeller inlet or the shaft sleeve shall not exceed the specifications in the table...

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Precautions for installing impellers of industrial centrifugal water pumps

2025-05-22

The impeller of industrial centrifugal pumps shall not have the following defects: 1. Surface cracks on the impeller; 2. Thinning of the front and rear cover plates due to erosion, corrosion or wear, which affects the strength The wear at t...

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Precautions for installation of water pumps above 40kW

2025-05-15

When installing a water pump 40kW, the longitudinal and transverse levelness of the base shall not exceed 0.5 ‰. The multistage pump body is centered by the rabbet of each section, and the radial runout and end face runout of the inner and ...

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Precautions for installation of multi-stage pump balance disk

2025-05-12

Disk and self balancing multistage pump1The perpendicularity between the sealing surface of the balance disk and the axis shall not exceed 0.3 ‰, and its surface roughness shall not exceed. 2.The balance plate and friction ring, as well as the b...

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Vacuum pumps and jet pumps replace bottom valves to evacuate centrifugal water pumps

2025-04-23

The bottom valve has a certain positive effect on the water pump,  but it also has a negative effect on the drainage pump in the mine. The bottom valve increases the resistance of the suction pipeline, increases energy consumption, reduces ...

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The standard for judging a good centrifugal industrial pump

2025-04-22

The pump body and pipeline need to be free of cracks and water leakage.The pump body and drainage pipeline inside the pump room are well protected, and the suction diameter is not less than the suction diameter of the water pump.  The balan...

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