EAZ Series Close-coupled End Suction Centrifugal Pump

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Product Description:

General introduction of EAZ Series Close-coupled End Suction Centrifugal Pump

EAZ series close coupled end suction centrifugal pumps offer close coupled design for space saving and simplified maintenance. They are driven by IEC standard motor, much shorter in length thus takes less space to install. 

Applications of EAZ Series Close-coupled End Suction Centrifugal Pump    
1. Heating, ventilation and air-conditioning
2. Fire Protection and Fire Fighting
3. Water circulation
4. Liquid transfer
5. Irrigation  
6. Cooling  
7. Booster service

 

Parameters of EAZ Series Close-coupled End Suction Centrifugal Pump    

Flow Range:2~700m3/h

Head Range:2~152m

Power Range:0.55-250KW

Temperature:-10℃~105℃

Material:Cast Iron, stainless steel, bronze

Work Pressure:≤1.6MPa 

 

 FAQ

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.

 

EAZ Series Close-coupled End Suction Centrifugal Pump

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Q:What is the current of the pump when it is started?
Just started when the pump current is 2-3 times the rated current is normal, so, the power is greater than the pump motor, many small factories in order to survive, the small motor will cut corners, produces motor burning phenomenon, and pump failure caused by load current is increased, and the pump flow rate exceeds the rated flow is a super current. General large water pump is the first to start the water pump, and then open the outlet valve, is to solve the pump just started when the ultra current problems.After excluding pump fault flowmeter check flow is beyond the rated flow, the excess can pumpslittle off flow control valve to reduce the current problems above are not dismantle the motor current of the motor itself over to see how to judge whether the motor has fault.
Q:The role of water replenishing pump in circulating system
There are three ways of constant pressure in water system. 1, the expansion tank constant pressure, this method applies to small and medium water systems, low cost. 2 water pump constant pressure, the role is when the system because the water shortage during the operation, resulting in insufficient pressure, the water supply system can play the role of water pressure. 3 pressure tank fixed pressure, pressure tank fixed pressure at the same time, also need replenishment pump water, the individual feel that the first two kinds of economic reality
Q:In the design specifications, for example, the water pump requirement is two. What does that mean? Can 3 pumps be opened at once?
Use 2 units and reserve 1 units. You can open 2 at the same time. Can three drive at the same time, depending on your water pipe layout, whether there are three sets of pipes, yes, three units open at the same time.
Q:Does the water pump and the circulating pump belong to the centrifugal pump?
They're all centrifugal pumps!
Q:Fire hydrant and fire pump adapter difference
Fire hydrant is out of water, the water pump is water supply to the pipe network
Q:Why should we pump water into a pump when the country uses a pump to pump it?
Because it is not a self-priming pump, so add water, otherwise there is no pressure can not afford
Q:30kW what is the flow rate of the pump?
There are many kinds of pumps, so it's difficult to answer you with a 30KW pump.
Q:What does the temperature range of the pump mean?
Not be too cold or hot water, will be frozen.
Q:Is the pump lift horizontal or vertical?
The vertical height from the center line of the pump impeller to the surface of the water source
Q:Pump pumping small is what happened?
Water pump pumping is small because of insufficient water source or pump head is not enough. At the outlet stop to measure the pressure, if there is a certain pressure, that is, the flow is too small, if there is no pressure, that is not enough head, or both small.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.

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