Horizontal Multi Stage Centrifugal Pump (D)

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Performance of Horizontal Multi Stage Centrifugal Pump (D)

Capacity: 6 - 500 m3/h
Lift Head: 33 - 960m
Drive Power: 2.2 - 180kw
Rotary Speed: 980, 1480, 2950 r/min
Calibre: 50 - 150mm
Temperature range: -15degree - +80degree

Application of Horizontal Multi Stage Centrifugal Pump (D)
1. Daily and fire water supply for high-rise
2. Water supply and discharge in mines
3. Cyclic pressurization, air-conditioning system.

Type D\DY\DF\DM multistage Pump is single-suction, multi-stage, segmental centrifugal pump. Type D It is provided for delivering clear water without solid particles or other liquid which is physically and chemically similar to clear water.

The temperature of the liquid is -20degree~ 80degree...Type DY is used to transfer non-corrosive oil and oil products without solid particles and with viscosity less than 120 centistokes. The temperature of the liquid is -20degree~ 150degrees. Type DF is used to transfer corrosive liquid without solid particles, The temperature of the liquid is --20~+150degrees. Type DM is used to transfer clear water or liquid which is physically and chemically similar to clear water with limited solid particles

Construction of Horizontal Multi Stage Centrifugal Pump (D)
Type D\DY\DF\DM pumps are horizontally installation. The direction of inlet and outlet of Type DY\DF is vertical upward except type D pump with horizontal inlet. Type DYI\II\IIIDF can be also with horizontal inlet and outlet.
The axial thrust gets balanced with the help of balance disk. Type D, DY, DF3_40 pumps get the balanced with the help of
Symmetrically construction
The shaft seal usually uses packing seal, according to customers' requirements, mechanical seal is used, too. Type DF85_67pumps use sliding bearings which get lubricated with dilute--oil.
The others use rolling bearings which get lubricated with grease except type DF85-67 pump with dilute oil.
Materials of tolerance parts: Type D pump are made of cast iron, the shaft is 45# steel.
Type DY: The materials are divided into three types: I - cast iron(the temperature in operation is 20--150degrees)
II_cast steel (the temperature in operation is 45--400degrees)
III_stainless steel (the temperature in operation is 45--400degrees)
Type DF: According to the liquid can be divided into cast steel and stainless steel.
Type DM: Anti-friction cast iron

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