WQ Vertical Sewage Centrifugal Submersible Water Pump

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1. Product Introduction

WQ series submersible sewage pump is mainly used for municipal work, industrial building, hotels, hospitals, civil air defense, mines, etc. It can be widely used in transfer waste water, rainwater and living water etc. which contains solid grains and various long fibers CNBM WQ series sewage submersible pump have many advantages, such as, hi-efficiency, circumvolution proof, blockage free, auto-coupling, hi-reliability and auto-control, etc.

 

2. Technical Performance

Discharge diameter: 50~600 mm

Capacity: 10~8000m³/h

Head: 5~60m

Power: 1.5~315kw

Diameter of pass solids: 20~145mm

 

3. Operation Condition

1). Rated Voltage: 380V(660V), Frequency: 50Hz, 3-phase AC.

2). Temperature of medium under 40ºC.

3). PH value: 4~10.

4). Volume ratio of solid in medium below 2%.

5). Density of medium should be lower than 12000kg/m³.

 

4. Structure Characteristic

WQ series submersible sewage pump is equipped with status indicator and protection device to ensure for pump safe and reliable operating.

1). The unique cable airproof is adopted, avoid leakage of cable.

2).  Heat protector in stator assure of operating life of the motor.

3).  The pump adopts outer recycling cooling design with motor power more than 18.5kw, which can keep the pump operating safely under the lowest water level.

4).  A floating switch is installed at the bottom of motor chamber to protect the mechanical seal in the motor side.

5).  The oil-water probe is installed at the up end of the oil chamber between pump and motor that can protect the mechanical seal in the side. If leakage occurs, the system will signalize and start protection.

6).  Adopt perfect mechanical seal, the sealing material adopt tungsten carbide, silicon carbide and hard metal alloy, which can prevent the water from entering into the motor, and keep the operating reliable and safety.

7).  The auxiliary impeller can balance the pressure outside of the mechanical seal, prevent the water entering into the oil chamber and prolong the life of the motor.

8).  Unique impeller design, wide passage allow large solid and long fiber passing through freely, it features non-clog, convolve-proof and good passing ability.

9).  The changeable wearing ring is installed between the impeller and the volute to keep the optimum operation conditions.

 

5. Impeller Design Characteristics

For the feculence pass freely, it must be widen the flowing passage of impeller, for the big pump, can used for double-vane, or three-vane, for the small pump, it used for single(double) flowing passage, like a bent pipe has same section, it has a good passing characteristic, avoid stop, convolve caused by slowing current possibly. The especially flowing passage of impeller, cooperate with logical volute, made the paper, soft goods, garbage bag and other material in sewage can passing freely and the pump have no vibration in the course of running-in and load through the impeller balance between dynamic and static state.

 6. FAQ for WQ pumps

1). Can I get trained on CNBM products?

Yes, we provide training courses in our factory (products, general and specific pump technology, hydraulics, and practical applications). Please consult your sales manager or get in touch with our headquarters for more information.

2). Are your pumps cheaper than those of your competitors?

CNBM aims to give its customers the highest standards of quality and service and delivery times, all at a reasonable price.

3). How long is your warranty?

Unless otherwise expressly authorized in writing, by specifying a longer period or different conditions, CNBM states that, for a period of twelve (12) months from delivery date, all Products supplied are free from defects in materials and workmanship, and conform to the applicable specifications. Either the delivery documentation or the invoice must be provided to prove delivery date. In absence of such documents, the production date appearing on the product label may suffice.

 

WQ Vertical Sewage Centrifugal Submersible Water Pump

WQ Vertical Sewage Centrifugal Submersible Water Pump



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Q:Submersible pump reverse impact on the pump
Small amount of water, large current, long running time, easy overheating, or even burning pump.
Q:Pump suction and pressure side road why should vacuum table and pressure gauge, and what role they have?
The pump suction and pressure side roads shall be equipped with a vacuum meter and a pressure gauge to monitor the operation of the system. When the pump is running, if the suction side of the vacuum decreases, indicating that the performance of water pump or water absorption pipe leakage; if the vacuum increases, it may be blocked suction pipe. The pressure on the water side is too large. It may be less water or the water pipe is blocked. If the pressure drops, the water consumption may increase or the water pump performance will decrease.The pressure gauges on the water side also play an important role in observing the pressure changes at the start of the pump to determine when to open the outlet valve. Usually larger pump starts, should first close the outlet valve to reduce the starting current, until the pressure of the pump rising and stable, then open the outlet valve.
Q:water pump failure? or what?
when your water pump goes out, either it will leak from the weep holes which are the holes drilled in the pump by the manufacturer or around the pulley. If that is happening then its your pump. The other thing to check would be your thermostat, check this by turning your truck on and leaving the lid of the radiator. check the temperature of the water in the radiator with your finger if it warms up in ten minutes then its not your thermostat, if the water level goes down ( like lack of water) then its the pump.
Q:water pump not working?
Those engines are the worst I have come across to burp the air out of. I finally had to remove the heater hose and back fill the system with a quart squeeze bottle. You will find that a sport tipped water bottle filled with 50/50 mix coolant will get the air out. later I found that if I cut the heater hose in half and installed a flush tee it worked even better, so far it has been the only way I have been able to purge the system. Good Luck
Q:What's the meaning of a single-stage pump?
In fact, the simplest difference between multi-stage pumps and single-stage pumps is that more than one impeller and one impeller can be summarized.The so-called single-stage pump is the pump inside only one impeller pump, so that we can be referred to as a single-stage pump, which is characterized by the head is not high, but the flow rate could reach thousands of square per hour, the typical model is the ISG type single-stage centrifugal pump.The pump is a pump body which contains a plurality of impeller pumps, pump is characteristic of such a large flow and high lift, traffic can be thousands of square kilometers to the head, but the cost is not low, customers should be chosen according to the actual parameters.
Q:Water pump for distillation unit?
A small centrifugal pump that has the flowrate designated by the condenser manufacturer. I assume it has a heat exchanger of some type to reject the heat to the air and that would need a designate flow. Anyway, look in any lab supply catalog or web site and they will have many small pumps. You do not need to carefully control the flowrate, so stay away from metering or peristaltic pumps. The pumps may even be made of plastic, that is fine for this application. In my lab, we would just run the water from the tap through the glass condenser and let it drain out to waste. It is wasteful of water, but it sure was much cheaper than buying a pump and heat exchanger.
Q:What's the function of the engine pump?
In simple terms, the engine is cooled to prevent the engine from getting too high.Working principle:Drive the pump bearings and the impeller to rotate through the pulley, the coolant pump impeller is driven to rotate together, under the action of centrifugal force was thrown to the edge of the pump shell, and produce a certain pressure, and then from a channel or pipe outflow. At the center of the impeller, the pressure is lowered because the coolant is thrown out, and the coolant in the water tank is sucked into the impeller by the water pipe and the pressure difference between the inlet of the impeller and the center of the impeller to realize the reciprocating circulation of the cooling liquid.
Q:Could I replace a water pump myself?
i doubt that your motor vehicle has 2 gas pumps yet until now you replace the pump have it examined first ! besides the pump it ought to be something else like the pump relay or the fuse ! not commencing ought to additionally be a clogged gas clear out ! getting back to the thermostat and water pump ! specific you are able to replace them in case you have the appropriate kit and your quickly vulnerable !
Q:How do you remove a water pump from a 93 Ford Taurus 3.8?
drain radiator. remove both 21mm motor mount bolts from subframe (front and rear). drain radiator. remove overflow/washer bottle. remove drive belt. remove 8mm bolt that hold lower watertube to front cover. remove lower water tube from water pump. remove heater hoses from water pump. slightly lift engine with floor jack. remove water pump pully. remove water pump. if you still cant get it you will need to remove the 4 studs that go through the water pump. now its just that easy to do
Q:Well water pump trouble...?
If the captive air tank has failed you should still get some water flow. if you are not getting any flow and the pump is spinning then the pump may need to be replaced. There is also a pressure switch that may have failed but if that were the case you would have got flow unless the pump burned up. so, bottom line is this. 1) turn power off. let a tiny bit of air out of the Schroeder valve on the captive air tank. if water comes out, the tank is bad. make sure to fill the tank up to about 40psi. 2)turn power off. remove the cover of the pressure switch and clean with compressed air. move the switch back and forth. sand the contacts with emory cloth. 3) if the tank was good turn the power back on and make sure all the valves are open (even the ones you havent touched) if you are still not getting water you should probably call a plumber. most likely at this point you have a bad switch or tank and it has caused your pump to burn up. good luck

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