Stainless Steel Pump Impeller Casting

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  • Last update:

    2020-01-08 20:53

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Jiangsu Runte Machinery Factory

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Website:http://www.runtegroup.com/ http://jsxinxinjidian.open-fa.com/

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Various products

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Product Details

The impeller of the water pump is made of cast iron. The blades on the impeller of the water pump play a major role. The shape and size of the impeller are closely related to the performance of the water pump. The impeller of water pump can be generally divided into single suction and double suction. The single suction impeller is unilateral suction, and the impeller of small flow water pump is mostly of this type. Double suction impeller is used for water absorption on both sides, and double suction impeller is used for large flow water pump impeller.

Cause Of Failure

① The water quality of the water pump is poor (more impurities).

② The faucet screen or water inlet horn is too close to the sediment or placed in the sediment.

③ The delivery medium is poor, and the impeller material is improper.

④ The impeller nut of water pump is often loosened or loosened for a long time, resulting in the impeller loose and eccentric wear.

⑤ The pump often works under the condition of cavitation, which increases the degree of cavitation damage.

Maintenance Method

① Check the water quality of the water pump, and according to the inspection situation, take measures such as well washing (it is recommended to use air compressor or other machines and tools) and setting up trash rack to improve the water quality. Ensure to effectively reduce the sediment content of water (generally, the volume ratio of sediment content in well water shall not be greater than 0.02%) and the content of sundries.

② Raise or lift the faucet and water inlet horn of the water pump to keep it away from the sediment. Generally, it is better to leave more than 1 m from the bottom of the well, not less than 0.5 m.

③ Open the pump body of the water pump, check the clearance of the sealing ring, the installation position and quality of the impeller (whether the positioning key of the impeller moves, whether the lock nut falls off or loosens, and whether the clearance between the impeller and the pump housing meets the requirements, etc.), and repair, adjust or replace it as the case may be. Finally, reassemble the pump as required. When assembling the water pump, it is necessary to ensure the installation accuracy of the water pump.

④ Open the pump body of the water pump, check the wear and fixation of the impeller. The user needs to replace the impeller with wear-resistant material to prolong the service life of the impeller.

⑤ Eliminate the cavitation factors, improve the anti cavitation performance, and appropriately reduce the installation height of the water pump according to the situation (correctly calculate the installation height of the water pump).

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