horizontal centrifugal water pressure booster pumps
1,Production Overview:
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 -20°C~ 80°C.
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 -20°C~ 150°C
Type DF is used to transfer corrosive liquid without solid particles,The temperature of the liquid is --20~+150°C.
Type DM is used to transfer clear water or liquid which is physically and chemically similar to clear water with limited solid particles
2,Main Features:
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 DY a,b,c . DF 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:
a. -– cast iron(the temperature in operation is 20--150°C)
b.—cast steel (the temperature in operation is 45--400°C)
c.—stainless steel (the temperature in operation is 45--400°C)
Type DF: according to the liquid can be divided into cast steel and stainless steel.
Type DM: anti-friction cast iron single suction multistage pump
The pump can be drivne by electric motor or diesel engine.
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