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Rotating parts related knowledge of Single Stage Centrifugal Pump Wholesale Price

Rotating parts related knowledge of Single Stage Centrifugal Pump Wholesale Price

  • Categories:Industry News
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  • Time of issue:2021-11-22 17:01
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(Summary description)The rotating parts of Single Stage Centrifugal Pump Wholesale Price are mainly composed of impeller, spindle and sleeve. Rotating parts must be disassembled, cleaned and inspected before repairing. Carefully check the wear, radial runout, and eccentricity of the impeller; wear and bending of the shaft and sleeve.

Rotating parts related knowledge of Single Stage Centrifugal Pump Wholesale Price

(Summary description)The rotating parts of Single Stage Centrifugal Pump Wholesale Price are mainly composed of impeller, spindle and sleeve. Rotating parts must be disassembled, cleaned and inspected before repairing. Carefully check the wear, radial runout, and eccentricity of the impeller; wear and bending of the shaft and sleeve.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-11-22 17:01
  • Views:
Information

The rotating parts of Single Stage Centrifugal Pump Wholesale Price are mainly composed of impeller, spindle and sleeve. Rotating parts must be disassembled, cleaned and inspected before repairing. Carefully check the wear, radial runout, and eccentricity of the impeller; wear and bending of the shaft and sleeve.
1. Repair of the spindle. The main shaft of the pump is bent or cracked due to vibration or sudden impact during rotation; the surface of the shaft is severely dented and worn due to friction or corrosion of the conveying medium, which causes radial runout or decrease in strength, which affects the use and needs to be repaired . For slight corrosion of the surface, it can be smoothed with oil-soaked emery cloth. The shaft needs to be straightened when it is bent; the shaft with very serious damage can be repaired by welding, spraying, and grinding after electroplating. After repairing, re-test the geometric accuracy and radial runout (not exceeding ±005mm).


2. Repair of bushings. During the operation of the pump, the shaft sleeve rubs at the part in contact with the packing, causing wear and radial runout. For non-serious wear, it can be repaired by welding and turning, and for severely worn shaft sleeves, it needs to be replaced.
3. Repair of impeller. The impeller is one of the vulnerable parts of the pump. When the impeller is rotating, it needs to be repaired and replaced in time when the performance of the pump is affected by changes in size and shape due to severe frictional corrosion damage. For impellers with less severe damage, repair welding can be used. When repairing, heat the impeller to 600℃ first, then repair welding, and pay attention to the slow cooling after welding to avoid new cracks. After cooling, it is turned to its original size. If the key is found to be loose (rolling key), the keyway can be widened or re-opened (at 90° or 180° from the original keyway), and re-keyed if permitted. If there are severe sand holes on the impeller or severe damage, the impeller needs to be replaced.
The above is a brief introduction to the related knowledge of the rotating parts of Single Stage Centrifugal Pump Wholesale Price.

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