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1. 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.
2. Product overview:
Widely used in farm irrigation, sprinkler irrigation, getting water from well, watersupply and drainage system for industrial and civil building, water diversion project in hilly andmountain 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 disassembleeasy to use and maintainsafe to operate. Otherwise, it covers an small area and does not pollute water.
3. Model signification:
200 QJ 20-54/4
|
4 |
Impellers |
|
54 |
Lift(m) |
|
20 |
Flow(m3/h) |
|
QJ |
Borehole Pump |
|
200 |
Base No. |
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°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.
5. 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
6. 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.
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