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Operation parameters :

(1). Flow range : 10-500 m3/h

(2). Lift range : 10-600m

(3). Applicable well diameter : φ175-φ400mm

(4). Diameter scope:φ32—φ203mm;

(5).Temperature range: -15—100°C.

Product overview :

QJ series deep well submersible water pumps are widely used in farm irrigation, sprinkler irrigation, getting water 

from well, water supply and drainage system for industrial and civil building,  water diversion project in hilly and

mountain areas water drainage project in at low-lying areas, water supply and drainage in urban and rural’s mining enterprises and  various ther kinds of water conservancy facilities. Its features are that the Motor and pump are assembled 

into a whole, so that it is simple in structure, convenient to assemble and disassemble ,easy to use and maintain

safe to operate. Otherwise,  it covers an small area and does not pollute water.

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°C.

(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.

Material

Impeller:  Cast iron HT200,or stainless steel

Pump bowl:  Cast iron HT200,or stainless steel,such as ss304 ss3016

Pump shaft :  Cold-drawn steel with chrome plating,or stainless steel ss304 ss316

Motor Seal:  Rubber O-ring seal,mechanical seal

Motor regulating sleeve:  rubber

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.