Stainless Steel Float Switch Submersible Sewage Pump

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Stainless Steel Float Switch Submersible Sewage Pump

My company has more than 40 years history, is the China general machinery pump industry association member units.My company has organized product research and development team, experienced high, intermediate technical staff.Complete production and processing, inspection, testing (pump performance test platform), and other equipment, to ensure that product quality is stable and reliable.Over the department, provincial, municipal and industry product quality supervision and inspection (smoke), only one is qualified to go through.Timely quality perfect after-sales service in place, favored by the majority of new and old customers rely on and praise.My company has successfully passed the national industrial products production license, ISO9001 quality system review replacement work.Relevant product standards (enterprise), metrology, standardization management system, etc., have been acceptance by the superior department in charge of the inspection.Related to product development, production management, sales and after-sales service, are performed according to the system management standard.



This series pump is widely used for sewage treatment of city construction discharge for architecture projects, hotel, mine, pond, dyeing and printing, paper making and textile industries.

It is the ideal tool for transportation of sludge, slurry, living sewage, feces and stale wastes, solid grains fiber, paper chips, sandy soil etc.

Model Description

100WQ 50-30-5
100: Drain aperture (mm)
WQ: Submersible sewage pump

50: Capacity (m3/hr)
30: Head (m)
5: Power (kW)

Operations Conditions

1. The medium temperature should not be over 60oC, the density 1200Kg/m3, and the pH value within 5-9.
2. During running, the pump must not be lower than the permitted lowest liquid level.
3. Rated voltage 380 V, rated frequency 50 Hz. The motor can run successfully, only under the condition the deviations of both rated voltage and frequency are not over ± 5%.
4. The maximum diameter of the solid grain going through the pump has not to be larger than 50% of that of the pump outlet.


 Stainless Steel Float Switch Submersible Sewage Pump

Why choose us

 High Quality
1.Exported to 58 Countries
2. More than 90% customers make payment before meeting us!
3. Reorder rate up to 80%
4. Never sell any renewed pumps
5. Focus on middle and high-end market,we never seize market by using inferior material


1. How to get our quotation in time, pls answer following questions:
    1)What liquid do you transfer?oil ,food or corrosive chemical liquid,with solid particle or not and so on 
    2) What's the flow or capcity (m3/h, L/m)? 
    3) What's the discharge head (m, feet, Mpa, bar )
     If you do not have any request, we will do as our normal standard.
  4) Contact us by under  business card information
2.OEM: Ok 
3. MOQ: 1set
4. Package: Standard export wooden case(also according to your requirements)
5. Shipping ways: By sea, By air, By express
6. Lead time: 3-15days
7. Warranty Period: One year, except spare parts 


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Q:Problem with my water pump/well tank?
Hmmmmm. I think I would look at the pressure switch here if you can confirm that the well does have adequate water in it. The next thing is the small pipe that the pressure switch mounts on. If it is galvanized these have a tendancy over the years to build up deposits and rusty scale and may need to be replaced. It sounds like you have the bladder style of pressure tank and that is a good thing. To check the proper pressure in the bladder watch to see the cut off pressure of the pump as it cycles. Note this. Turn the pump off and completely drain off the pressure tank. Check and adjust the pressure at the top of the Wel-Trol to be 2 to 4 pounds less than the pressure cutoff that you noted using compressed air. As the other posts have mentioned you also may have a leak in the pressure line to your house. The way to test this is turn off all the water to the house and see if there is a check valve in the T at the pressure tank. It will look like a tube about 2 inches in diameter and 4 inches long. Usually there is not one here as they clack when the pump shuts off. If there is not one note the pressure. See if it drops. There should be no drop. If it is a drilled well there may be a leak in the pipe down the well and this usually requires a visit from a well servicing company to determine. Hope this helps.
Q:Fire hydrant and fire pump adapter difference
1, fire hydrant is generally divided into three types, one is indoor, one is outside, is a municipal, the three has two basic purposes, which is directly connected to the fire hose or fire-fighting water, is the scene of the fire truck with water.2, fire pump adapter from the purpose, for fire hydrant system, automatic spray (spray, Yu Lin) system, divided up from the form, have walls, underground, ground type, its basic purpose is, after the fire, if the fire hydrant system (for example network system) when the water pressure is insufficient or anhydrous (water pump system damage and other reasons), through the pump adapter, the fire water supply to the system or booster.
Q:55KW how large is the water pump wiring?
Transmission within 100 meters, 70 square millimeter aluminum cable, or 50 square millimeter copper cable. If you exceed 100 meters, you'll have to add a number to the cable.
Q:function of regulator in water pump?
I call the guy who installed it if he reputable he abound fix it if hes a jack. Then call a real plumber.
Q:Why is water pumping cool water is normal, but when pumping hot water pressure and flow are very small?
There may be: first, the water temperature is too high, the impeller damage! But this may not be very likely! Second, but also the water temperature is too high, but may be too high water temperature will be hot water pipe deflated, resulting in no water. Third, it is possible to buy fake and shoddy products!!! Another important problem is that you didn't tell me what kind of pump it was! What forms of work do you have?
Q:what are the signs of a bad water pump ?
if your water pump is leaking fluid -its bad period- it should never leak unless installed incorrectly--signs for bad pump are-noise-grab fan blade wiggle if shaft moves-bad pump-open cap on radiator-no water moving-bad pump-bad pump--
Q:How do you build a water pump?
A very simple and old design for a water pump is called the ball-chain or bucket-chain pump. A google search should show you what they are. Building one should be fairly straightforward and simple.
Q:Dry Bearing in my water pump?
if the bearing inside the water pump is noisy, that is not a good sign. The bearing is eventually going to seize and that could cause more damage to the car- I would reccomend getting a replacement ASAP!
Q:How do I quiet a noisy water well pump?
It sounds to me like water hammer. There are a few ways to address it, probably the easiest is to add an expansion tank. To find out, try connecting a garden hose somewhere in the system, preferably a cold water pipe. Drain all the water from the hose and put a nozzle or plug on the end so the air can't escape, then turn the valve on. The air in the hose will act as a cushion and, if water hammer is the problem, you won't hear it while the hose is connected. That is not a permanent solution, just a simple test that might give you an answer. Good luck
Q:need a new water pump?
It is very easy and straightforward. The hardest part is the fan clutch unless you have the proper tools. You have that part covered. DO NOT USE ANY SILICONE SEALER!!!!! Be sure all traces of old gasket are removed and install the new gasket dry. Use an anaerobic sealer on the wet bolts. Those are the ones that are through drilled into the water passages. Clean off the threads then use a light coat of sealer. I use either Permatex (brown stuff in the tube) or pipe joint dope. Now is also a great time to flush the system, replace thermostat, and drive belt(s).

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