Vertical multistage pump structure, multi-stage vertical centrifugal pump structure and composition

Multi-stage vertical centrifugal pump is composed of multiple impeller, guide water and in and out of the water of the centrifugal pump, mainly in order to meet the common low vertical pipeline centrifugal pump will not reach the required lift and add two or more impeller water pump, with the characteristics of wide flow range, high head pressure, the models are mainly type DL vertical multistage pump, GDL stainless steel vertical multistage pump, CDLF vertical multistage pump light, the main structure of vertical multistage pump is divided into two categories: respectively is down into the water of peace into the flat on the water.

into on the structure under the next into the water is relatively early stage pump, vertical multistage pump inlet near the ground, outlet near the motor position. Specific structure and composition is as follows:

flat flat into flat out structure into flat out of vertical multistage centrifugal pump, also known as vertical multistage pipeline pump, installation is more convenient, is widely used now. Specific components according to the flow rate and different structure materials is as follows:

a paragraph 1 -, flow 20

as above: left for cast iron, the water of the rest of the stainless steel vertical multistage centrifugal pump. Followed by a motor, coupling 2, 3, 4, mechanical seal, 5 axis, 6 water section, middle 8, 9, 7, impeller inlet section, 10 pump body, the external sealing rings 11, 12, 13 o ring. Right for all stainless steel vertical multistage centrifugal pump, composed of a motor, coupling 2, 3, 4, mechanical seal, 5 axis, 6 water section, middle 8, 9, 7, impeller inlet section, 10 pump body, the external sealing rings 11, 12, 13 o-rings, 14, 15 base pump cover.

2, 20 - period of flow 90

as above: left for cast iron, the water of the rest of the stainless steel vertical multistage centrifugal pump. Followed by a motor, coupling 2, 3, 4, mechanical seal, 5 axis, 6 water section, middle 8, 9, 7, impeller inlet section, 10 pump body, the external sealing rings 11, 12, 13 o-rings, 14 water pump cover. Right for all stainless steel vertical multistage centrifugal pump, composed of a motor, coupling 2, 3, 4, mechanical seal, 5 axis, 6 water section, middle 8, 9, 7, impeller inlet section, 10 pump body, the external sealing rings 11, 12, 13 o-rings, 14, 15 base water pump cover.

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