380V 4" 5" 6" inch submersible pump 1.experienced staff 2.reliable quality 3.cast iron material 4.MOQ= 1 piece
380V 4" 5" 6" inch submersible pump
Detailed description :
parameters :
Flow range : 3-40m3/h
Lift range : 15-120 m
Borehole diameter range: 100~150mm
Temperature range: -15 ~80°C
Product overview:
QJ submersible pumps are widely used in agriculture irrigation, sprinkler irrigation, well water lifting and water supply, drain system of industrial and civil building, as well as the hill, mountain areas’ water diversion, drainage of low-lying area, water supply, drainage of industrial and mining enterprises in urban and rural area and all the other water facilities. And the characteristics of them: motors and pumps assembled into one, simple structure, easy installation and removal, small area, simple using and maintenance, safe and reliable operation, no pollution to water, etc.
Using condition:
1. 380V voltage deviation is no more than ±5%,frequency is 50HZ, three -phase power deviation is no more than ±1%.
2. Motor cavity must be filled with water.
3 . The first stage impeller of the pump should be more than 2mm below the moving water surface, pump unit should be less than 70m below the static water level. The distance from the motor bottom to well bottom must be more than 3m
4. water temperature should be no more than 20°C,QJR hot water submersible pump can up to 80°C.
5. Sand content of the water ( by mass) should be no more than 0.01%.
6. PH value of water 6.5-8.5.
7. Hydrogen sulfide (H2S) content of the water should be no more than 1.5mg/L.
8. Chloride ion content of the water should be no more than 400mg/L.
9. Water yield of water source should ensure the requirements of pump continuous working.
Material:
1 Impeller: Cast iron, gray iron200, or tin bronze, such as ZCuSn3Zn8Pb6Ni1
2 Pump bowl: Cast iron, gray iron200, or stainless steel, such as 2Cr13 .304
3 Pump shaft: stainless steel 2Cr13(1050°Cthermal refining, enhancen torsional moment)
4 Tension bolt: made by cutting 20# steel, the end part is welded by stainless steel 304.
5 Check valve: body, seat ZG230-450; plate, ring, valve rod Cr17Ni2
6 Interface shim: rubber asbestos plate
7 Motor Seal: Rubber O-ring seal, mechanical seal
8 Motor regulating sleeve: rubber
380V 4" 5" 6" inch submersible pump
