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Structures description of Sewage Pump

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Bearing:

Imported SKF of NTN bearing. which with a reasonable configuration, can extend the duration of the pump.

Cooling:

The buit-in cooling system can have the pump normally work whether the motor is on or under the liquid surface. Apart of the liquid is extracted to bring out the beat produced by the motor from circulation to the cooling is required. The cooling sleeve may be separated from the pump casing and individually connected to the cooling system.

Motor:

Of F class insulation, max. Working temperatures 155 degree, and  protective grade IPX8 with the effective seal.

Mechanical seal:

Use Bogman mechanical seal of Germany, two ways of the seal are in series with each other and individually work to separate the motor from the pump seal to provide the motor  with a dual protection.

The sealing material on the pump side is tungsten carbide/tungsten carbide while on the motor side, graphite/silicon carbide.

Oil chamber:

Oil can lubricate and cool the mechanical seal and realize the attached function of safety by preventing liquid from penetrating into the motor. The air of accumulatively raised.

Impeller:

With the optimized design design, the impeller will not be blocked up when to transport liquid with its optimum flow and rate and the maximum efficiency. There are suitable impellers at choice for every point of working condition.

There are single-geat, dual-geat and three-blade impellers available at choice per the medium to be extracted.

Pump casing:

Use the know-how of CAD/CAM to make it of max efficiency and win wearability.

 

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