NWL vertical mud pump            Vertical sewage pump, also known as long rod pump, vertical rod pollution. NWL series. It can be used for sucking, pouring and spraying mud, excrement, River water, slurry and private chat. It can also be used for municipal chemical printing and dyeing, medicine, shipbuilding, foundry, food and suction of thick liquid, dirty liquid, paste, etc. It is an important equipment that can not be replaced by clean water pump.            This single-stage single-suction vertical centrifugal submerged pump has the advantages of simple structure, small size, light weight, easy installation, no blockage, adjustable submergence length, convenient use and maintenance, etc.            The main parts of the pump are pump body, impeller, pump cover, shaft, support barrel, motor support and so on. It has the advantages of simple structure, small size, light weight, easy installation, no blockage, adjustable submergence length, convenient use and maintenance, etc.            Impeller: There are three kinds of impellers: open, semi-open and full-sealed. They have the characteristics of wide passage and few blades. They have small leakage loss, good throughput, high efficiency and no blockage.            Pump Cover: Two skeleton oil seals and one sealing sleeve are installed, and three pressure relief holes are opened, which can reduce the leakage loss of the pump. It can also prevent high-pressure sewage from rushing to the bearing and affect the service life of the bearing.            Pump shaft: made of high quality carbon steel.            Support: connected with vertical motor.            The pump can be used vertically or obliquely. The body of the pump must be buried in the working medium, without water injection or ventilation in advance. The rotating direction is clockwise from the tail of the motor.

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