WQ Series Sewage Vertical Centrifugal Water Pump

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Shanghai
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TT OR LC
Min Order Qty:
1 set
Supply Capability:
100 set/month

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1. Specification For WQ Submersible Sewage Centrifugal Pump

1) CE,GS,ROHS,ISO9001.CC 
2) With aluminium pump boby,anti-corrosion 
3) Sewage pump 
4) Dirty water pump 
5) Water pump

2. Product Introduction for WQ Submersible Sewage Centrifugal Pump. 
WQD WQ type submersible sewage  pump/dirty water pump consists of pump,mechanical seal and motor.Pump is at the bottom part of motor pump,which adopt centifugal impeller. Motor is at the upper part of motor pump and is a single-phase asynchronous motor or three-phase motor.Mechanicalk seal is between pump and motor,and it'sa kind of double end mechanical seal."o"rings are applied to all static joints of the submersible pump.Inner-installed protector prevents the pujmp from damages due to abnormal power,colg and overload etc.

3. Working Condition of WQ Submersible Sewage Centrifugal Pump. 
1) Transport liquid water temperature is less than +40°C
2) The PH value of the media is between 6.5to 8.5
3) The volume per centage of impurity in the medium is less than 0.1%,grain smaller than 0.2mm
4) Pump should be rated near lift the appropriate range,submersible pump head can not be too low,below the stiplated 80%of head easily lead to thermal protector,so that pumps stopped running,and even cause electrical damage.
5) Diving depth of no more than 5m.

4. FAQ for WQ Submersible Sewage Centrifugal Pump
1)  Are CNBM pumps available in DIY stores?
Yes, currently, we’re available for DIY stores all over the world.
2)  Where do I have to send pumps for service?
You must send them to the CNBM PUMP Service Point or, after contacting Customer Care, to the CNBM PUMP service center in China.
3)Are your pumps acid-proofed?
To choose the right pumps for chemical applications, we do need further details on hydraulic operations as well as on the type, concentration and temperature of the liquid.

WQ Series Sewage Vertical Centrifugal Water Pump

WQ Series Sewage Vertical Centrifugal Water Pump


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Q:What is the liquid pump? What are their categories? What are their strengths and weaknesses?
The air driven liquid pump adopts compressed air driving method, and has the following advantages:The pressure can be adjusted by manual pressure control valve or air control valveIt is driven by air and is especially suitable for explosion protection applicationsAble to achieve pre-set final pressureAutomatic pressure relief by pumpLong term conservation without consuming energyWhen holding pressure, medium will not overheatThe utility model has the advantages of convenient installation and low maintenance cost, and only needs to connect the gas source, the inlet pipeline and the pressure pipelineReliable operation, low maintenance cost and little noise at the time of operation
Q:What are the characteristics of a pipe shield pump?
Four, high melting point in the pump hydraulic side and the motor side with a jacket, the jacket can be steam or a certain temperature of liquid to prevent high melting liquid crystallization. The outer circulation pipe of the pump should also be insulated (heating) jacket. Five, high pressure shielding pump shell is a high pressure container, so that the pump can withstand high system pressure. In order to support the shield under internal high pressure, the stator coil itself can be used to bear the pressure. Can also be made in high temperature and high pressure under the operation of the canned pump. Six, since the suction port of the pump impeller center is much higher than that in stopping the pump, when inhaled NO liquid in the tube, the impeller and the increase of the pump chamber is filled with liquid, and then start without irrigation, the pump can work. Self-priming pumps are especially suited for extracting liquids from underground containers. In addition, according to different methods can be divided into liquid type, mud type, high pressure pipeline type, as well as for ships, nuclear power plants and absorption refrigeration devices for various types of canned pumps. Can also be divided into vertical, horizontal, online and single-stage, multi-level and other different types.
Q:How do vacuum pumps and pumps work together?
Vacuum suction principle of self suction pump:Assuming that the pump connected with the water inlet of a sealed container, the container has plenty of water, since the start of a water pump, water is thrown out of the water impeller pump body, water inlet seal vessel due to the extraction of water to form a vacuum cavity, this assumption will be connected to vacuum cavity and exposed to atmospheric conditions of water, water at atmospheric pressure under the effect of entry into the vacuum chamber".
Q:What's the meaning of the pump head in the water pump, please advise, thank you
In general, the pump removes the motor, and all the fittings are part of the pump head.A pump is a machine that transports liquids or pumps liquids.
Q:Is the vacuum pump air compressor?
No, both work in the opposite way. Air compressor, referred to as an air compressor, is a machine that produces compressed air (positive pressure). The vacuum pump is just the opposite.
Q:How many pumps does the 80cm tank use?
Filter pump to select the water per hour can be filtered more than 3 times, I personally feel that this is almost enough. Of course, the more times the better, but also consider that if the pump is too large, the water inside the tank will be too large.128X3=384LThat is, the flow must be more than 384L/H of the water pump.You can buy a bigger pump, because the pump for a long time there will be some attenuation and domestic things in general to sign data, so it should be based on your actual situation to buy. Taobao on this category is about 20~40 yuan.
Q:How should the water pump be installed?
(8) check the suitability of the foundation and whether the size of the foundation corresponds to the size of the pump.(9) find the position of positive pump and motor, pump set and anchor bolt and the inlet and outlet flanges, to ensure that the flange torque of the pump conforms to the standard. Check the inlet and outlet piping before alignment. Make sure the weight of the inlet and outlet pipe does not exert force or torque on the pump. When looking for, should also pay attention to eliminate the pump rotor movement, so as to avoid the end gap error. If checked after the pump is working, it should be carried out under cold condition. It is important to draw attention to the fact that the pump set of the complete set of factory is only rough looking (checked with a ruler) when it is shipped. It may cause displacement when it is transported.
Q:Harm of air pump and pump
Minimum starting current when centrifugal pump of such a small impact on the grid but long closed operation will make the liquid in the pump to the pump overheating temperature is too high will lead to the problem of the seal to a certain temperature will cause deterioration of oil bearing bearing caused by excessive wear and even bite dead
Q:What is cavitation, centrifugal pump cavitation phenomenon how to solve?
In order to make the pump full of liquid, usually in the valve installed at the bottom of the filter screen along the suction pipe, the valve until the end against the valve, strainer prevents the solid material into the normal operation of the pump impeller damage or hinder the pump.
Q:Because the water pressure of the booster pump is not enough, it can not work automatically. It can only be operated by hand. It is inconvenient to use.
The worst case is that the pump is not automatic when it leaves the factory, and no one can say whose product is 100%.But there may be automatic control of this piece, not debugging (this depends on the specific product manual or manufacturer)

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