CPm Series Horizontal Centrifugal Water Pump

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1. Application For Small Centrifugal Water  Pump

Applied to pumping such liquid which is clean, no solid matter or frictional matter, low viscous, noncorrosive, non-crystallizable, chemically neutral and close to water. Such as:

1) Tank filling

2) Domestic water supply

3) Water transfer

4) Pressure boosting

2. Features of Small Centrifugal Water  Pump

1) 100% copper wire, and automatic wiring. 

2) Cold-rolled silicon steel sheet, with high-speed puching, improve the efficiency and precision.

3) Demagnetization of stainless steel nuts. 

4) Anti-rust treatment castings and electrophoresis.

5) New testing equipment.

3. Technical data for Small Centrifugal Water  Pump

1) Suction lift up to 9m. 
2) Liquid  temperature up to +35°C
3) Ambient temperature up to +40°C
4) Max. Working pressure: 6bar. 

4. FAQ of Small Centrifugal Water  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.

4) Can your pumps mount Eff.1 motors

Currently, only on request though this will shortly be a CNBM standard.

5)  Are your pumps protected against dry running?

No, unprotected centrifugal pumps are not generally designed for dry running. It is important to give us or your dealer as much information as possible about the system in which the pump is used. Inlet pressure, the type of liquid to be pumped, together with relative density, viscosity and temperature, for example, are required in order to allow CNBM to recommend the right pump with the right gaskets for a long operating lifetime.

6) 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.

CPm Series Horizontal Centrifugal Water Pump

CPm Series Horizontal Centrifugal Water Pump

CPm Series Horizontal Centrifugal Water Pump

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Q:What are the important parameters of the pump?
The head is the unit weight of liquid pump pumping from the inlet of the pump (pump inlet flange) to the outlet of the pump (pump outlet flange) energy value. Effective energy is a Newtonian liquid through the pump unit is obtained. The N m/N=m, the height of liquid column pumping liquid used, referred to as meters.Speed nThe speed is the number of revolutions per unit time of the pump shaft. It is indicated by the symbol n. The unit is r/min.Cavitation allowance NPSHCavitation margin, also called net positive suction head, is the main parameter to indicate the cavitation performance. The cavitation margin has been expressed by delta H at homePower and efficiencyThe power of water pump usually refers to the input power, that is, the power transferred by the prime mover to the pump shaft, so it is also called shaft power. It is expressed by P;The effective power of the pump, also known as the output power, is expressed in Pe. It is the effective energy obtained by pumping the liquid out of the pump in unit time
Q:Is the flow meter in front of the pump or after the pump?
Agree upstairs. Pump should be straight before the paragraph, 15 times the nominal length of the caliber.
Q:What does "dual purpose" of water pump mean? Please expert advice
In order to ensure safe and continuous operation, three pumps usually need two units and run one standby.Precautions for using pumps1, if there is any small water pump failure, remember not to work. If the pump shaft packing end wear should be added in time, if you continue to use the water pump will leak. The direct effect of this is the increased energy consumption of the motor, which will damage the impeller.
Q:Why is the flow of the pump too small will occur cavitation phenomenon?
Why is it easy to produce cavitation when the inlet flow of pump is lowered?This is because the main performance parameters such as the head, power and efficiency of the centrifugal pump are not fixed, but vary with the flow rate. The curve drawn on a coordinate paper is called the performance curve or characteristic curve of the centrifugal pump. What happens when the flow rate decreases? The disadvantage of throttling adjustment is that the pump flow is small, and the impeller is easy to cause cavitation
Q:Significance of water pump model ISO50-160
A pump is a machine that transports liquids or pumps liquids. It will be the prime mover of the mechanical energy or other external energy transfer to the liquid, the liquid energy increase, mainly used to transport liquids including water, oil, alkali liquid, emulsion, suspension emulsion and liquid metal, but also transport liquid, gas mixtures and liquids containing suspended solids. Pump performance parameters include flow, suction, lift, shaft power, water power, efficiency and so on;
Q:Any center of the pump
Looking forAlignment means the position of the center of rotation of the pump and motor so that they are in the same line.At least three times after the initial installation or after installation:
Q:How many millimeters is the diameter of the water outlet of the four inch pump?
Here is a 4 inch inch, not rural, 1 inches =25.4 mm, 4 inches is approximately 100mm, with DN100 pipeline.
Q:Why does the centrifugal pump start and close first when the outlet valve is closed?
The operation rules of centrifugal pump strictly required to close the outlet valve before the shutdown, boot and then slowly open the outlet valve, regulating pipeline pressure and current range. The reason is: the centrifugal pump in the startup process in order to avoid large starting current caused by electrical faults, such as circuit breaker tripping,
Q:What's the difference between a concrete pump and a concrete pump truck?
Concrete pump is a pumping machine used in the field, while the concrete pump truck is a truck mounted pump.
Q:What does the impeller on the centrifugal pump mean by the first cutting?
I used to do this job before. After the impeller is cut, the flow and lift will decrease. Sometimes, the same pump will be cut according to the needs of the impeller, so as to meet the actual needs, at this time, with the power of the motor will also be reduced

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