Submersible Crossflow Pump with High Quality

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Product Description:

Submersible Crossflow Pump

Basic Info. of Submersible Crossflow Pump

Model NO.:SLQ series

Pump Casing Combined:Horizontal Split Pumps


Working Pressure:Low Pressure Pump

Position of Pump Shaft:Horizontal Pump


Impeller Number:Single-Stage Pump

Influent Type of Impeller:Single Suction Pump

Mounting Height:Since Irrigation Centrifugal Pumps

Capacity:Less Than 108000m3/H

Head:Less Than 5.5m

Export Markets:Global

Product Description of Submersible Crossflow Pump

SLQGL series submersible crossflow pump is combined with the technology of submersible motor and crossflow pump,which keeps the advantages of crossflow pump and also uses the technology of submersible motor,overcoming the problems of cooling,heat dissipation,packing of traditional crossflow pump.It is much more excellent than traditional machine.
The pump is applicable for condition that is large capacity and low head.It is used to transport clean water without solid particles and other liquids with physical and chemical properties similar to clean water.The temperature of transported liquid can not exceed 40ºC.

Application Area of Submersible Crossflow Pump

The pump can be used in agricultural irrigation,industry&mining,dock,urban construction and water-supply&drainage of power plant,and it is especially applicable in urban flood control project,sewage project and drainage project,(Special requirements can be designed),and it is widely used.

Performance Range of Submersible Crossflow Pump

Capacity:≤ 108000m3/h

Structural Characteristics of Submersible Crossflow Pump

1,  Impeller
Impeller is based on the most advanced hydraulic model with good ,steady,mature performance.Much lower nD value is chosen with better anti-cavitation to make sure stead operation.
2,  Shaft seal
Two sets of separate mechanical seals are used to ensure the safety and reliability of sealing.
3,  Monitoring device
Submersible crossflow pump has several protection devices which lead the leading wire to electric control cabinet,and the protection devices are:stator temperature protection,protection of bearing temperature rise ,protection of motor water inlet,protection of oil cavity temperature rise .
4,Pump/motor shaft
Pump and motor are concentric with compact structure,and the shaft extension is shortened as much as possible,and the rigidity is improved.Deflection is controlled within the allowable range based on the design,and the vibration is lower when operating.Service life of sealing and bearing is much longer.
5,  Flow passage
CFD and experimental method are combined to confirm the flow line shape to ensure high efficiency when operating.
Motor casing passes the heat into the surrounding medium,and the heat is taken away by the surrounding water.High power high voltage motor uses inner air passage heat dissipation technology,which makes three-phase winding temperature rise lower with an even temperature field distribution.
High performance squirrel cage induction motor is specially designed for submersible pump according to GB/T755 standard.Thermal classification is F,and 380V,660V,6KV,10KV etc. voltage classes are used.Two VPI insulation processes are used to ensure the reliable insulation of motor.
As for horizontal structure,large common structure finite element analysis software is used to analyze rotating components dynamically,researching its deflection,vibration,inner stress,support counter-force,characteristic frequency.And the design of structure,bearing arrangement,bearing choosing are all based on this foundation.Rolling bearing is used to bear all the axial and radial loading,totally separated from the transported medium.


Q: How can I get trained on CNBM products?

A: 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.

Q: Are your pumps cheaper than those of your competitors?

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

Q: Do you have self-priming pumps?

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

Q: Is it really necessary to fit a bleed valve for the boxes?

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

Q: If I increase the power of the motor, must I also increase the power of the inverter?

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

Q: Do you have pumps with grinders?

A: Yes, the WQ models.

Submersible Crossflow Pump with High Quality

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Q:Can centrifugal pumps be idle? What's the status of the empty transfers?
The empty transfer of the centrifugal pump causes dry grinding, and the pump is overheated and seals out.Frequency control cabinet can be used to set their own frequency required job requirements, the external need is contact, is the pressure gauge
Q:Level 200 meters distance, elevation 30 meters, how much lift water pump?
Lift is usually used to overcome vertical height and pipe loss. Now you can determine the vertical height of 30 meters, 230 meters long pipeline losses but you lack of data not calculated. With the following conditions can be calculated: 1, flow; 2, pipe diameter; 3; pipeline material; 4, elbow number; 5, valve types and quantities.
Q:Water pump "rated lift: 6m" what do you mean?
Popularly speaking, "lift head" is the ability of water pump to lift water. 6m means that the pump can pump water to the height of 6m.
Q:I have a mechanical well how to choose the size of the pump
First, determine the size of the electrical well and then the depth. Is it water injection or pumping?The pressure of water injection pump is much higher. If you pump water, it depends on how much water you need every hour Plus you enter the water depth of +10 meters, you can basically a good selection.
Q:How to remotely control submersible pumps?
This is relatively easy to implement, to a remote control within the specified scope control, and use mobile phone SMS or ringing control, you make a phone call or Clockwork SMS can control the submersible pump switch, the switch is not used since a ran. This remote control switch products, in the Alibaba, my family has used, it is convenient, not expensive, more than 100.
Q:How to connect the household pump capacitor?
1) in a line in the AC220V string into a large light bulb (Bai Chideng), and then the capacitor as shown in figure A, then, that B and C are three terminals; 2) the number of pump motor three lines 1, 2 and 3; 3) A, B, C and 1 2, 3, a total of six kinds of wiring combination: ABC/123, ABC/ 231, ABC/321, ABC213, ABC132 ABC312; 4) you have a a try, if you can turn up, and the fastest start wiring is correct, 5) if not turn up, you have to increase the number of watt bulb, such as 200 watts, 300 watts, 500 watts...... With a few 100 watt parallel one; 6) string into the bulb is designed to prevent the current is too large, it certainly must be removed after determining the connection method; 7) there is no suitable bulb that according to the motor power generation to choose the appropriate insurance.
Q:How can the pump be stationary?
1, the pump can move under the premise of turning disc. Pump should be empty load start, that is, in the closing of the export valve in the state of start, there will be no rotation of the situation.2, look at the voltage of the circuit is normal, whether the lack of phase.
Q:Stop the engine immediately and stop the circulating pump and the condensate pump. What's the harm to the turbine?
Stop the condensate pump is not required to condensate users, such as reducing water, mechanical seal water, shaft seal cooling water, deaerator, whether you need water. Stop circulating pump requires three: 1, exhaust steam temperature below 50. 2, there is no circulating water users. 3. No drain to condenser. If stop immediately stop circulating water and condensate pump, the consequences can be imagined.
Q:What is the reason that the centrifugal pump outlet pressure decreases and the operating current increases?
See if the impeller problem is loose or something else. Impeller problems are generally
Q:Pump frequent start will reduce the service life, I ask what kind of frequency is called frequent start?
Personally think that the quality of different motors have different effects on the motor, you can try, try a minute it ruined his frequency is a / S

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