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D type horizontal single suction multistage centrifugal pump

This series of pumps is a horizontal single-suction multi-stage centrifugal pump. It adopts the hydraulic model of high-efficiency energy-saving products recommended by the state. It has high efficien
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product description:

This series of pumps is a horizontal single-suction multi-stage centrifugal pump. It adopts the hydraulic model of high-efficiency energy-saving products recommended by the state. It has high efficiency, wide performance range, safe and stable operation, low noise, long service life and convenient installation and maintenance. Etc.

The product can be used to transport clean water without solid particles (abrasives), without suspended solids or other liquids with similar physicochemical properties to clean water.

The pump inlet allows a pressure of less than 0.6 MPa.

According to their scope of use, they are mainly divided into the following types:

Type D: For conveying clean water without solid particles, temperature below 80 ° C or liquid with physical and chemical properties similar to clean water. Suitable for mines, factories and urban water supply and drainage projects.

Model meaning:

Such as D600-60×6

D ---- indicates multi-stage clear water centrifugal pump

600 ---- indicates that the design point flow is 600m3/h

60 ---- indicates that the design point has a single lift of 60m.

6 ---- indicates that the number of levels is 6

Such as 150D30×7

150 ---- indicates that the pump suction port diameter is 150mm

D ---- indicates multi-stage centrifugal clean water pump

30 ---- indicates that the pump design point has a single-stage head of 30m.

7 ---- indicates that the number of levels is 7

Structural features:

The D-type pump is a horizontal, single-suction, sectional multi-stage centrifugal pump with the suction port in the horizontal direction and the discharge port in the vertical direction. The pump casing parts such as the inlet section, the middle section and the outlet section of the pump are integrally connected by tension bolts, and the number of stages of the pump is selected according to the lift of the pump.

The rotor part of the series mainly consists of the impeller, the bushing, the balance disc and the like mounted on the shaft, and the number of the impeller depends on the number of stages of the pump. The on-axis parts are fastened with a flat key and a shaft nut to make them integral with the shaft. The entire rotor is supported by rolling bearings or plain bearings at both ends. The bearings are different according to the model and do not bear axial force. The axial force is balanced by the balance disc.

The sealing surface between the inlet section, the middle section and the outlet section of the pump is sealed with a sealant or O-ring. The seal ring and vane sleeve are sealed between the rotor part and the fixed part, and the seal ring and vane are sealed. The wear level of the sleeve should be replaced when it affects the performance of the pump.

The seal form of the shaft is mechanical seal and packing seal. When the pump is sealed with packing, the position of the packing ring should be properly placed, and the tightness of the packing must be appropriate, so that the liquid can be oozing one drop at a time. The various sealing components of the pump are installed in the sealed cavity, and a certain pressure of water is introduced into the cavity to act as a water seal, water cooling or water lubrication. A replaceable bushing is provided at the shaft seal to protect the pump shaft.

The pump allows the rotor to swim axially in the pump casing during operation. The pump type generally adopts rolling bearing and dry oil lubrication structure (D85-67, D155-67 type pump can adopt sliding bearing, thin oil lubrication structure, or rolling bearing Dry oil lubrication structure).

The pumps are driven directly by the prime mover via a flexible coupling that rotates clockwise from the direction of the prime mover.

(If the user has special requirements on the material and structure of the pump, it can be negotiated with the stupid company. The company can change the direction of the pump inlet and outlet according to the user's needs, and can realize the multi-outlet structure and function of the pump.)

 

Corresponding parameter set not found, please add it in property template of background
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