WQ series Designed Sewage Centrifugal Submersible Pumps

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1. Product Introduction for WQ series Designed Sewage Centrifugal Submersible Pumps

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 of WQ series Designed Sewage Centrifugal Submersible Pumps

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 of WQ series Designed Sewage Centrifugal Submersible Pumps

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 for WQ series Designed Sewage Centrifugal Submersible Pumps

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 WQ series Designed Sewage Centrifugal Submersible Pumps

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 of CNBM Pumps

1). 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.

2) How 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.

3) 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.

4) Do you have self-priming pumps?

Yes, our product portfolio also includes two ranges of self-priming pumps: self-priming electric pumps and self-priming side channel pumps.

5) Is it really necessary to fit a bleed valve for the boxes?

It is always best to have a bleed valve as the gas produced by the fermenting sewage is potentially hazardous.

6) If I increase the power of the motor, must I also increase the power of the inverter?

You must select the size of converter that allows maximum absorption of the electric motor.



WQ series Designed Sewage Centrifugal Submersible Pumps

WQ series Designed Sewage Centrifugal Submersible Pumps




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Q:Fully automatic self-priming pump
Yes, add a water level controller.Try electronic water level switch with stable and reliable performance. In Baidu search "electronic water level switch official website", you can find more information, model is BZ201
Q:Domestic pump does not use water, or turn, I do not know why?
Your home should be the pipeline booster pump, a pressure switch outlet of the pump, if no water will switch off, open the water tap water pump will work ~ ~ should be the pressure spring on this switch is broken, with 4 years of spring rust, not the original so good toughness. Another reason is that when the water pressure is not enough, the pump will work, but this can be ruled out.
Q:Difference between Air pump and Water pump?
Air Pump For Water
Q:where is the water pump for a 2001 chevy malibu?
On okorder.com/... When you're filling up the coolant, you need to bleed the system to get the air out. 2 bleeders, one right around the corner from the pump, and another back by the Thermostat housing. The 3.1L V6 in your Malibu doesn't use a timing belt, but a chain. Just take the serpentine belt off, take the pulley off, and there's the pump. 4 bolts for the pulley I think, and 5 for the pump. Easiest to loosen the pulley bolts, then do the final tighten later, while the belt is still on. Torque the Water pump bolts to 89 inch lbs. (10 Nm), and the pulley bolts to 18 ft. lbs. (24 Nm)
Q:what is NPSH for the water pump. Can you anyone explain in details? How can it calculate?
Net Positive Suction Head Equation
Q:Why is the water pump water hose leaking on a 2002 bmw 745li ?
Hello, okorder.com. Watch The Video! You will be glad you did! Thanks for your time! BimmerFix Products Co. Tucson, Arizona, USA
Q:how much does a 96 neon water pump cost?
Here's okorder.com/... If the timing belt and belt tensioner pulley was replaced also, that's the going rate for the job. You have an interference engine and a timing belt driven water pump, so I'm sure they changed the timing belt and if they did a good job, you got billed reasonably. If the belt had broken, you may have had to total the car.
Q:Can the water from the fire pump enter the roof fire tank? Why?
This should be divided into two cases, the key depends on the use of your water tank!If you fire water tank roof is a constant pressure water tank fire control system, the requirements must be set on the water tank outlet check valve, which can only flow from the tank outflow, then pump the water can not enter the roof fire water tank.If the roof fire water tank acts as a water transfer tank and uses it to transport water to a higher building, the fire pump water can enter the water tank
Q:Physics help with water pump?
It is known that 1 hp = 746 watts, so 0.13 hp = 97 watts = 97 Joules/s The amount of work to lift 1 kg water a vertical distance = 30.23 m = mgh mgh = (1)(9.81)(30.23) = 296.6 J no. of seconds in 2.20 hr = (2.2)(3600) = 7920 s total work output of a 0.13 hp pump in 2.2 hr if 100% efficient = (7920)(97) = 768,240 J no of kg lifted by 100% efficient pump/motor in 2.2 hr = 768,240/296.6 = 2590 kg ANS
Q:How to fix a water-pumping machine...?
not knowing the specific system, prolly correct. pipe frozen and what you feel is just bypass/recirc. as the water has no where to go. or there's an external leak somewhere under the house? keep doing that, depending on the system, and it's condition, might burn up a pump. many different kinds of systems. for a house or motor home, usually have one that's pressure activated. that is, pressure drops as a tap is opened, regualator sees that, starts the pump running. that would be a system that employs a reservoir. probably air charged. to sense pressure drops.a nd max pressures to shut the system off. but that may not be what you have. many different configs. USAF trained hyd/pneu tech. glorified plumber i guess.

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