一、Features: 
1. Advanced hydraulic model, high efficiency, high head, significant energy saving effect, advanced structure, can be configured with different series of impeller to adjust the flow and head, a wide range of applications. It can also be designed to deal with a specific working condition of the hydraulic model, to provide users with the best solution.
2. Smooth operation, low noise and strong cavitations resistance.
3. The shaft seal is sealed with soft packing or mechanical seal, the seal is safe and reliable, the structure is simple, and the maintenance cost is low and convenient and swift.
4.The shaft is fully sealed structure to ensure no contact with the media, no corrosion, long service life.
二、Model Description: 

Example: D (DM, DG) 280-43/84 * 5

D- Stands for multistage centrifugal clean water pump

DM- stands for wear resistant multistage centrifugal pump for mining

280~ pump design point flow rate (m3/h)

43~ single-stage pump design point head (m)

84~ denotes the year number

5~ represent the series 

Example 2: 150D30×5

150- Represents the suction inlet diameter of the pump (mm)

D- Represents single-suction, multi-suction and segment-type centrifugal fresh water pump

30- Represents the single stage head (m) of the pump design point

5- Represents the pump series

三、Spectrogram: 

四、Application field: 
Power industry: factory water supply
Coal industry: mine water supply and drainage
Paper industry: factory water supply
Iron and steel smelting: water supply and drainage system
Urban water supply and drainage: domestic water supply, water factory water supply