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Disassembly Sequence Of Multistage Centrifugal Pump

Released on Jul. 07, 2018

The main feature of the Multi-stage Centrifugal Pump is that the head has a higher head, a smaller flow rate, a relatively complicated structure, and a stricter installation requirements than a single-stage single-suction centrifugal pump. When disassembling a multistage centrifugal pump, care should be taken to ensure that the removal sequence is correct.

Multistage Centrifugal Pump Manufacturer tells you the disassembly sequence of multistage centrifugal pump

(1) First unscrew the bolts on the bearing end cover of the multistage centrifugal pump outlet and the connecting bolt between the multistage pump outlet section and the tail cap and the three parts of the bearing body, and remove the bearing end cap and bearing body and other bearings. part.

(2) Then unscrew the round nut on the shaft and remove the inner ring of the bearing and the bearing gland and retaining ring in turn, and then remove the packing body of the multistage centrifugal pump (including the packing gland and packing ring and packing). .

(3) After removing the O-ring and the bushing and the balance plate and the flat key on the shaft in turn, remove the parts such as the water outlet section, the end guide vane and the balance ring sleeve.

(4) After removing the final impeller and the key, remove the middle section and the guide vane; in this way, remove the impeller, middle section and vanes in sequence until the front stage impeller is removed.

(5) After removing the multistage centrifugal pump coupling, unscrew the connecting nut of the inlet section and the bearing body and the bolt on the bearing gland to remove the bearing part on the inlet section.

(6) Pull out the shaft of the multistage centrifugal pump from the inlet section, unscrew the shaft fixing nut, and then remove the bearing inner ring, O-ring and bushing.

(7) The multi-stage centrifugal pump using the sliding bearing has the same disassembly sequence as the above steps, and is slightly different only when the bearing components are removed.

Disassembly Sequence Of Multistage Centrifugal PumpMultistage Centrifugal Pump

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