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High flow rate centrifugal pump vertical multistage submersible water pump
Basic Info

Model No.: QJ

Product Description
Product Description
Working Principle:
Pump body material:
Cast Iron, SS304, SS316
Gear material:
45# Steel, Copper, SS304, SS316,Plastic
Temperature range:
Normal ≤ 70 C, Special ≤ 100 C
Motor engine
Power specs:
220V, 240V, 380V, 400V, 415V, 440V, 460V,660V, 50hz/60hz
Max flow rate:
Max discharge 
Type of connection:
Quick couple, Thread, Flange
Shaft seal type:
Oil seal, mechanical seal
Sliding bearing:
Good aseismic performance
Motor Power:
0.55kw ~ 400kw
Main applications:
Free passage:
0.1 mm

Using Conditions:

(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.

Detailed Images

1)Q: Are you a factory or a trading company?
A: Pump manufacturer.
2)Q: How about your quality?
A: We arrange the prodcution quality according to customers' request.
3)Q: What are your payment terms?
A: 30% payment bu T/T in advance, the rest when the goods finished.
4)Q: How about the packing of this model?
A: Standard export wooden box.
5)Q: About customers response?
A: Always become repeat customers.
6)Q: How about the Quality warranty
A: 12 months after receiving.

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