Horizontal Centrifugal Multistage Circulation 7 Stage Water Pump

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Method/Step

Matters needing attention when disassembling multi-stage pump

1. Stop in the order of parking;

2. The liquid (including cooling water) in the horizontal multi-stage pump casing should be drained; when the bearing parts are lubricated with thin oil, the lubricant should be drained;

3.删除auxiliary pipelines that hinder the disassembly, such as balance pipes, water seal pipes and other pipelines and leads;

4. Disassembly should strictly protect the manufacturing accuracy of the parts from damage. When disassembling the rod, each middle section should be cushioned to prevent the middle section from loosening and sinking and bending the shaft.

Disassembly sequence of multi-stage pump

1. Unscrew the bolts on the bearing end cover of the discharge side and the connecting bolts between the outlet section, the tail cover and the bearing body, and remove the bearing parts such as the bearing end cover and the bearing body;

2. After unscrewing the round nut on the shaft and removing the bearing inner ring, bearing gland and retaining ring in turn, remove the packing body (including packing gland, packing ring, packing, etc.);

3.After removing the O-ring seal, shaft sleeve, balance plate and flat key on the shaft in turn, remove the water outlet section, the final guide vane, and the balance ring sleeve

4. After unloading the last stage impeller and the flat key, unload the middle section and guide vanes; according to this, unload all stages of impeller, middle section and guide vanes in order until the front impeller is removed;

5. After removing the pump coupling, unscrew the coupling nut of the water inlet section and the bearing body and the bolts on the bearing gland, and then remove the bearing parts on the side of the water inlet section;

6. Pull the shaft out of the water inlet section, unscrew the fixing nut on the shaft, and remove the bearing inner ring, O-ring seal, and shaft sleeve in turn;

7. For pumps with sliding bearings, the disassembly sequence is basically the same, only slightly different when disassembling the bearing parts.

Adhering towards the tenet of 'quality initial, shopper supreme' for Horizontal Centrifugal Multistage Circulation 7 Stage Water Pump. We are able to fully meet the customer needs, whether sent in China or all over the world. Our products are produced with the best raw materials.