3inch submersible pumps have small external diameter , large flow and high lift.and have good performance
It can be applied to many fields , especially for industry, mining , agriculture, construction, breeding and families(water supply for high buildings).

Identification Code

eg:3SD2-6 
3 : Well dia 100mm
SD: Pump Name
M:single phase,three phase without M
2 : Capacity(m3/h)
6 : Impeller's Number

Applications :
The submersible pumps are designed for delivery of water in househole confitions from wells and boreholes with inner diameter more than 75mm,as well as for delivery of water from open water bodies(rivers,lakes) and reserviors.4INCH series electric pumps may be operated in the automatic water-supply systems,be used for watering of gardens and vegetable gardens

Operating conditions :
pumped water temperature1-45
ambient air temperature 1-55
pumped water mineralization:not more than 1500g/M3
combustible,chemically active liquids

Motor :
asynchronous single-phase submersible capacitor electric motor/three phase electric motor
frequency:50Hz
voltage:200-240V ,380-415V
insulation class:F
protection degree:IP68
operation model:continuous
Other Voltage or Frequency 60Hz are available

Material
pump housing:stainless steel
impeller:Nory1
diffuser:Nory1
Shaft:stainless steel/45# steel
Seal:graphite&ceramic