Specification :

1. Operation parameters :
( 1) . Flow range : 10~ 500 m3/ h
( 2) . Lift range : 10~ 600m
( 3) . Applicable well Borehole diameter : Æ 175~ Æ 400mm
( 4) .Diameter scope: Æ 32~ Æ 203mm;
( 5) .Temperature range: -15~ 80 centidegree.

2. 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.
3. Technical parameters
Model
Flow range
( m3/ h) Head range
( m) Rotation speed
( r/ min) Pump efficiency
( % ) Rated power of motor
( kw) Maximum outer diameter of unit
( mm) Weight
( kg)
175QJ10-40/ 3 9-11 42-
38 2850 53 2.2 48
175QJ15-65/ 5 13-17 68-
62 2850 58 5.5 168 73
200QJ15-26/ 2 13-17 28-
24 2850 62 2.2 184 48
200QJ20-30/ 2 18-22 31-
29 2850 66 3 184 59

4. QJ 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.
( 4) . The distance from the motor bottom to well bottom must be more than 3m.
( 5) . Water temperature should be no more than 20 centidegree.
( 6) . Sand content of the water ( by mass) should be no more than 0.01% .
( 7) . PH value of water 6.5~ 8.5.
( 8) . Hydrogen sulfide content of the water should be no more than 1.5mg/ L.
( 9) . Chloride ion content of the water should be no more than 400mg/ L.
( 10) . Water yield of water source should ensure the requirements of pump continuous working.
5. Characteristics
( 1) . Motors and pumps assembled into one.
( 2) . Simple structure.
( 3) . Easy installation and removal, small area.
( 4) . Simple using and maintenance.
( 5) . Safe and reliable operation, no pollution to water, etc.