QJ Series Electric/ Diesel Water Pumps For Well

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Quick Details

  • Place of Origin:Henan, China (Mainland)

  • Model Number:200QJ40-45/3

  • Theory:Centrifugal Pump

  • Structure:Multistage Pump

  • Usage:Water

  • Power:10 hp

  • Standard or Nonstandard:Standard

  • Fuel:Electric

  • Pressure:High Pressure

  • Application:Submersible

  • Material:Cast Iron / 201,304,316 Stainless Steel

  • Color:Blue

  • Flow:40m3/h

  • Head Range:32-48m

  • Power:7.5 kW

  • Rotational Speed:2875r/min

  • Drive:Motor

  • OEM,Design Service:Accept

Packaging & Delivery

Packaging Details:wooden box packing
Delivery Detail:3-5days after payment confirmation or as customers' requirements


QJ series electric/ diesel water pumps for well
3.no leakage,long life
4.5,6,7,8,10,12 inch

 QJ series electric/ diesel water pumps for well

1. Operation parameters

Flow range

10~500 m3/h

Lift range


Applicable well Borehole diameter


Diameter scope


Temperature range

-15~80 centidegree

2.Product overview

QJ submersible pumps are widely used in

agriculture irrigation, sprinkler irrigation well water lifting

water supply, drain system of industrial and civil building

the hill, mountain areas' water diversion

drainage of low-lying areas

water supply, drainage of industrial and mining enterprises in urban and rural area

all the other water facilities

3. Model significance

300 QJ 200-40

300-----------Base No.

QJ------------Type characteristic, Submersible

200-----------Flow (m3/h)

40------------Head (m)

3. Technical parameters

Several type parameters, other type, please contact with manufacturer.


Flow range

Head range

Rotation speed

Pump efficiency

Rated power of motor

Maximum outer diameter of unit



























































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.

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Q:Location of water pump in the '97 Toyota avalon?
Front of engine block, behind fan and driven usually by the crankshaft.
Q:water leaks near water pump?
it would,nt be the heater core because it,s a good ways from the water pump. it might be that the water pump gasket slipped when you were putting it on or the by-pass hose is bad or loose. check all the hoses like both radiator hoses and where the heater hoses hook up to the block.
Q:What does diving pump 80JYWQ40-15-1600-4 stand for?
Because each manufacturer's label is different, the country although some specifications, but not enforced, so purely from the literal meaning is difficult to explainWe will try to solve the following problems:WQ-- sewage submersible pump80-- outlet diameter of water pump40 - M /h fand flow15 lift M1600 speed, r/min4Kw powerAs for J, Y is rated as sealed form and waterproof gradeI don't know whether it is correct or not
Q:Could the whistling noise i hear be related to a possible bad bearing in the water pump?
one tell tale sign of a bad water pump bearing can be a sound like a jet engine, but there are other possibilities too, I take a 4 foot length of garden hose put one end on top of what ever bearing you want to check and stick the other end too your ear.a slight hum is a good bearing, noisy bearings are easy to diagnose this way. Just be careful, no loose clothing or long hair near spinning fan and belts, engine has to be running to hear bearing noises. As to the dieseling noises, this is your engine running backwards. this is extremely hard on an engine. Leave the car in gear then turn it off. if its a stick, put it in a high gear let the clutch out until motor stalls. However dieseling is usually related to timing and poor quality fuel. Change to chevron super unleaded, it has techron which will help clean out a dirty fuel system, your vehicle may have a out of time problem, and or tune up issues can cause this. get this fixed, the fuel milege will be a bit better, and your engine will not self destruct. If the noise is in the water pump then replace it. Sometimes a jet engine sound can also be present in the torque converter in a transmission (automatic only)
Q:water pump not working?
I'm unfamiliar with the workings of that engine. Have you bled all of the air out? It wouldn't be the first time a new part is faulty. Don't assume that just because it is new, that it is working. Unlikely as it is, it is possible that the new water pump is faulty.
Q:How to get a car water pump.?
any okorder.com and find the closest location. they are the cheapest option unless you just want to push the car and then that wouldn't cost you anything now would it.
Q:To Get At The Timing Belt On a Toyota 3.4L V6, Does The Water Pump Need To Be Removed?
does the water pump first need to be removed? no. but is exposed during the procedure. ----- If so, is there a way to tell how worn a water pump with 85,000 miles is? Like a loose bearing feel, etc? you can check for pulley noise, pulley wobble and coolant condition as a precursor to it's failure, but even if it passes that inspection, it may fail in 1000 miles (example). that's the nature of consumable components. ------ since it costs 300-400 in labor to do those individually, it behooves one to put them both on the same maint schedule. replace both at same time. needed or not. every 90,000 miles. and this is a non interference type engine. no engine damage will occur as a result of belt failure alone. FYI, since it's not an interference engine, if this be an autotrans, you could go longer between belt changes as autotrans have smoother torque apps. purdy much constant torque. my V6 has over 200,000 miles on the belt. water pump too. and i have pristine coolant and no pulley noise. and i'm pushing my luck. i run the risk of a towing bill.
Q:Rover 75: When replacing head gasket should you replace the wet liners and water pump?
Well the answer is..... I am going to take a guess that this is a Rover K series engine. They blow the head gasket just for something to do. Terrible problem when the engine was a 1.4 and it only got worse as they bored the engines out. The original fault will be poor maintenance and a failure to ensure it always has loads of anti freeze or corrosion inhibitor in there. That makes the liner to block interface corrode. The second is more controversial, if I knew the water pump was fairly new then I would probably not fit a new one with an exchange engine. If however the water pump was old or an unknown quantity then I would almost certainly change it, and the clutch too, if I had the engine out as it's such a fiddly job to do. BUT who was paying for the work? If it was you then this would have added a fair bit to the bill (if you didn't tell him to change it then really you can't complain that he didn't do it) and it it was warranty work then the terms of the warranty might set out what was supposed to be done. Rhys
Q:laundry washer water pump?
Sounds like the pump is operating during the fill cycle. if there is something clogging the pump, you wouldn't be losing water, it would never drain.
Q:Efficiency of Hot Water Circulating Pumps?
In commercial applications it means hot water is there waiting on you rather than the other way around. It saves on lost time and water. In home use I would install a timer so pump runs only when it is needed.Insulation on the pipes will also lower the load on the hot water heater. So you can save time and money.

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