M&W Pump (Horizontal multi-stage centrifugal pump)
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- Model NO.: Horizontal multi-stage centrifugal pump
- Working Pressure: High Pressure Pump
- Position of Pump Shaft: Horizontal Pump
- Trademark: M&W
- Origin: China, Hunan province, Changsha city
- Impeller Number: Multistage Pump
- Influent Type of Impeller: Single Suction Pump
- Impeller: Closed
- Specification: SGS
- HS Code: 8413709990
The temperature of the liquid is -20 deg C ~ 80 deg C
Type DG is specially designed for new series of industrial steam boiler. It is not only used for feed water of low-middle boiler but also suitable for pumping high lift water. The temperature of the liquid is -20 deg C ~ 400 deg 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 deg C~ 150deg C
Type DF is used to transfer corrosive liquid without solid particles, The temperature of the liquid is --20~+150 deg C.
Type DM is used to transfer clear water or liquid which is physically and chemically similar to clear water with limited solid particles Performance range
Q: 6 ~ 500m3/h
Head H: 33 ~ 960m
Type D\DG, DY\DF\DM pumps are horizontally installation. The direction of inlet and outlet of Type DG, DY\DF is vertical upward except type D pump with horizontal inlet. Type DY1\2\3DF can be also with horizontal inlet and outlet.
The axial thrust gets balanced with the help of balance disk. Type D, DG, 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 DF155-67 pump with dilute oil. Materials of tolerance parts: Type D, DG pump are made of cast iron, the shaft is 45# steel.
Type DY: The materials are divided into three types:
1_cast iron(the temperature in operation is 20--150 deg C)
2_cast steel (the temperature in operation is 45--400 deg C)
3_stainless steel (the temperature in operation is 45--400 deg C)
Type DF: According to the liquid can be divided into cast steel and stainless steel.
Type DM: Anti-friction cast iron
Description of pump type
For example: D(DG\DY\DF, DM)1\2\3\85--67X9
D-- multistage centrifugal Pump
D-- multistage centrifugal Pump for boiler feed
DY_multistage oil pump
DF-- multistage anti-corrosive pump
DM-- multistage anti-friction pump
1\2\3_code of materials
67head of each stage
9number of stage, total head is 67X9=603(m)
You can choose the material or working condition and sealing type, then we can choose the suitable itme for you.