CDL Stainless Steel Vertical Multistage Centrifugal Pumps

Ref Price:
$150.00 - 4,500.00 / unit
Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
1 unit
Supply Capability:
3000 unit/month

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Product Description:

1. Performance of CDL Stainless Steel Vertical Multistage Centrifugal Pumps

Flow Range:1-200m3/h

Head Range:11-200m

Power Range:0.37-110KW

Temperature:-20ºC-120ºC

Material:Stainless Steel 304,316

Work Pressure:<1.6mpa< span="">

2. Introduction of CDL Stainless Steel Vertical Multistage Centrifugal PumpsNon self-priming type vertical multistage centrifugal pump, the motor is directly connected with the pump through shaft couplings, impeller guide vane is made of stamping stainless steel plate or precision casting stainless steel, smooth surface , hydraulic flow loss is small, and easily for cleaning, is very favorable for conveying pure medium. Pump inlet and outlet in a straight line(can be equipped with IEC or NEMA motor). 

3. Operating Conditions of CDL Stainless Steel Vertical Multistage Centrifugal Pumps
Thin, clean, non inflammable and explosive liquid not containing solids or fiber. 
The liquid temperature: normal temperature type - 15 ºC to 70 ºC hot water type to + 120 ºC 
Environmental temperature: highest + 40 ºC 
Height: highest 1000m 

4. Motor Introduction of CDL Stainless Steel Vertical Multistage Centrifugal Pumps
Motor is fully enclosed, air-cooled type 2 pole standard motors. 
Protection grade: IP55 
Insulation grade: F 
Standard voltage: 1Ph 220-230/240V 
3Ph 200-220/346-380V 
3Ph 220-240/380-415V 
3Ph 380-415V 

5. Typical Applications of CDL Stainless Steel Vertical Multistage Centrifugal Pumps
Water supply: water filtration and conveying, waterworks water supply, pipe pressurization, high-rise building pressurization. 
Industrial pressurization: process water system, cleaning system, high pressure flushing system, fire control system. 
Industrial liquid transportation: cooling and air conditioning system, the boiler feed water and condensation system, machine tool accessory, acid and alkali. 
Water treatment: ultrafiltration system, reverse osmosis system, distillation system, separator. 
Irrigation: farm irrigation, sprinkler, drip.


6. FAQ

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.

CDL Stainless Steel Vertical Multistage Centrifugal Pumps

CDL Stainless Steel Vertical Multistage Centrifugal Pumps


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Q:Installation position of check valve for water pump
Check valves are generally installed at the pump outlet and exit control valve position. Self suction pump check valve installed in front of the pump, suction port better!Ordinary centrifugal pump check valve flange from the pump outlet flange is generally 300mm-500mm, its purpose is: when the pump is stopped, to prevent backflow of water to the pump body in the pipeline, resulting in the impeller reversal (generally positive rotation is more impeller impeller and shaft tight) that damage the impeller and pump head. Therefore, the height can not be too high, too high, there are too many water reflux, the consequences can be imagined.But there are self suction pumps, self suction pumps, check valves, flanges, pumps from the body, the outlet flange generally 1 meters to 1.5 meters.This is determined by the structure and working conditions of the self-priming pump. Self suction pump start, the pump is a gas at first, the main purpose is to exhaust the rotation of the impeller, will also play out some of the water, this time need to exhaust gas, water will need to return, if the valve is installed in the 300mm-500mm, then a lot of water can not return to the pump body (can also cause check valve is closed), effect of self suction pump work.Self suction pump check valve installed in the suction port of the pump better, this is not upstairs nine, brother said, must be installed in the export, this is wrong. Installed in the inlet of the purpose: it is time to stop the pump, there is generally no reversal of pump impeller, but to prevent the pipeline inside emptying (fluid inside the pipe can be in pipe) is beneficial to the self suction pump for a restart! Therefore, the self-priming pump check valve is best installed in the inlet pipe of the suction port.
Q:What does "ETA" mean in the selection of pumps?
Water pump selection table "ETA" is the meaning of efficiency. NPSH refers to the pump's cavitation margin.ETA is abbreviated as "efficient ratio", and Chinese means "water efficiency". The efficiency of the pump here is generally referred to as the efficiency of the pump design point because the actual efficiency of the pump varies with the pump operating conditions. The efficiency of the ETA can also be interpreted as the efficiency of the pump at the rated lift (or rated flow).
Q:Intelligent pump controller, water is full water transfer automatically shows the next pool of water shortage, what is the matter?
The intelligent controller of water pump is full of water and automatically shows the shortage of water in the lower pool. The reason is that the sensor is out of order or the line is out of contact. First of all, make sure that the upper limit of your controller is normally open or normally closed. When the upper limit is reached, does this point change? If the original upper limit position is normally open, check the switch and pump insulation.A pump is used to increase the pressure of a liquid or gas, the flow conveying machinery, and "jump" or "flow" is a homonym, is a transliteration of the English pump, is a device used to move liquids, gases or special fluid medium, which is reactive to the fluid machinery. The heart of man and animal can be said to be a natural pump, which carries blood to all parts of the body.
Q:Submersible pump and self-priming pump which is easy to use?
Pump generally installed at less than 7 meters from the water surface, if not meet this requirement, have to use submersible pumps, such as deep wells. Submersible pump is obviously not good, easy to malfunction, have to use.Self-priming pump is mainly convenient, but the performance is lower than the general centrifugal pump.There are both advantages and disadvantages at the same time, which is not easy to use.The key is where to use and how many parameters............
Q:Pump house should be equipped with those equipment and valves
The pump room generally the main equipments used are: pipe, water pump, water pump control box, inlet valve, outlet valve, check valve, pressure gauge, water valve and a water tank, according to the specific design of the pump room to you, just above the pipe segment.
Q:Why should we pump water into a pump when the country uses a pump to pump it?
Because the leather cushion there is not completely sealed the water pump wall, there is a small gap in the contact, so that the piston up and down the air connection, air pressure is equal, can not pump water.And then add water to the gap closed, such upward pull the piston to make the piston below the space increases, but the air and can not go to fill the air pressure decreases, less than atmospheric pressure, only through inhalation of water to supplement water, which is forced by atmospheric pressure wells the water through the pipe and then rise to the pump. So it can be pumped up.
Q:What is the difference between a low pressure pump and a high pressure pump?
The magnitude of the pressure at the outlet side of the pump
Q:Two pumps automatically switch start control circuit,
Can add time delay relay, the key depends on how much time the water is full, if you design is automatic, it is better to use the triode reliable,
Q:Pump frequent start will reduce the service life, I ask what kind of frequency is called frequent start?
Pump is the same, often start, not just reduce the service life of the pump, motor, contactor life will be shortened.
Q:Pump power ratio design is small, the problem is big?
The flow is 20 L/S! Q = 20, L/S = 0.02 m^3/SThe total efficiency of the pump and the motor is estimated to be 60%P=pgHQ/n=1000*9.8*90*0.02/60%=29400W= 29.4, KWLook at the water pump motor power 30KW just enough from the calculation, but there is no room for the use of the attention do not overload!(Note: motor power matching pump nameplate are generally too large, room.)

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