Multistage Boiler Feed Centrifugal Water Pump

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Product Description:

Multistage Boiler Feed Centrifugal Water Pump

 

Operation parameters of Multistage Boiler Feed Centrifugal Water Pump

(1). Flow range: Q=6.3~450 m3/h

(2). Lift range: H=75~603m

(3). Diameter range: φ40~φ250mm

(4). Temperature range: 0 ~105°C

 

 

Product overview of Multistage Boiler Feed Centrifugal Water Pump

D pump is single-suction multi-stage sub-type centrifugal pump

(1). it is used to suction deliver water and the other liquid whose physical and chemical properties similar to water.

(2). If Change the material of  impeller , seal ring, shaft sleeve and other parts, they also can be used to pump corrosive media,the liquid maximum temperature should not exceed 80°C.

MD wear-resistant multi-stage centrifugal pump is a wear-resistant multi-stage centrifugal pump

(1). It is designed on the basis of D single-suction multi-stage water centrifugal pump .

(2). MD pump is efficient , energy saving , wear-resistant and reliable,

(3). Drain the mine well water whose solid  particle content is no more than 1.55 (particles diameter less than 0.5mm)and other similar liquid, the liquid temperature not exceed 80°C.

 

Product purpose of Multistage Boiler Feed Centrifugal Water Pump

(1). D, MD type multi-stage centrifugal pump is suitable for mine drainage, factory and city water supply. 

(2). DG type boiler-feed pump is suitable for small boiler, cities and towns water supply, and other occasions.

 

Product features of Multistage Boiler Feed Centrifugal Water Pump

(1). with high efficiency, small size and other advantages,

(2). the components insist on high-precision processing technology,

(3). pump shaft of quenching and tempering treatment,

(4). the entire pump with excellent performance,

(5). and the products meet GB/T5657-95( centrifugal pump technical conditions  standard

 

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?

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Q:About how to calculate the pump installation height?
When the water temperature is 4 degrees centigrade, the water pump is installed on the theoretical height of 10.33 meters, is the atmospheric pressure to the hydraulic pump inlet to the level of theory, in practical engineering, the water flow in the pipeline will produce resistance and other factors, the actual installation height generally less than 7 meters. The installation height limit of the pump shall be less than the design suction stroke of the pump.
Q:Who can tell me such water pump medium flow direction should be what kind of, from left to right, or from right to left, is low into the higher?
Low inlet and outlet
Q:How to install circulating water pump for cooling tower?
This should be installed at the inlet of the cooling tower. The water at the outlet of the cooling tower is returned to the pool
Q:What is the function of open circulating water pump and shutdown in thermal power plant?
According to the water quality difference, the purpose is to provide the corresponding cooling water, for the system oil cooler, machine seal and other cooling. Open water directly from the circulating water pipe to use, the pump is delivered to the host, the small machine oil cooler, water quality is not very high, the circulating water drainage to the back pipe, water through the water filter filter impurities. The closed water takes the self closing water tank, which is used for removing salt water. General supply pumps, water pumps, sealing cooling water, condensate pumps, sealing water, generator, hydrogen cooler and other requirements of good water quality system, closed water self circulation, and through the cooler and open water circulating water heat exchange.Thermal power plant is referred to as the thermal power plant, is the use of coal, oil and natural gas as a fuel production power plant, it is the basic production process: fuel combustion in the boiler heating water into steam, fuel chemical energy into heat energy, steam pressure and steam turbine rotation, converts heat energy into mechanical energy and steam turbine rotate the generator, the mechanical energy into electrical energy.
Q:Do you need a stop valve for the pump at home?
Pump used at home do not take the water stop valve, the water level is too low, it can not pump up. In addition, there is no stop valve, not immediately pumping water, will have to wait a short time.The valve is actually a floating ball valve, when water is accumulated to a certain height, the float top, open the valve linkage; row water, reduce the water level, the valve is automatically closed, it realizes automatic drainage to steam pipeline.
Q:Is the motor with a pump a squirrel cage induction motor?
Should be a squirrel cage motor for winding asynchronous motor for high torque applications. For example, its structure and the hoist crane cage motor with different rotor loop it can slip ring external resistor. The motor rotor circuit principle know that certain external resistance can reduce the starting current, but also can improve the rotor circuit power factor and torque. The pump load does not need large torque. So it should be the squirrel cage induction motor.
Q:What are the commonly used tools for repairing water pumps?
The most basic tools: a multimeter only about 20 yuan, 6 - 19 wrench a set of about 20 yuan, 200MM, 600MM adjustable wrench for each one of about 40 yuan, a cross, a screw knife is about 6 yuan, about 100 yuan a Lamar, claw hammer, hammer, rubber hammer, flat shovel each one about 40 yuan, a vise, pliers, diagonal pliers pliers, 8 words for each one of about 30 yuan, tweezers, knives, pressing line plate each one of about 15 yuan, 60W electric iron to about 25 yuan, a box, a soldering flux of about 15 yuan, or lamp the incandescent lamp, the crowbar can use local materials, needle, slide board with bamboo made with wood or self winding plate with the line of 80 yuan purchase mode. Insulating paint, asbestos pipe and tie band. Commonly used spare parts: enameled wire, water resistant lines, insulating paper, lead wires, various types of seals, bearings, impellers, lithium based grease, etc..
Q:The problem of single phase pumps
The capacitor is broken. Change it.
Q:30kW what is the flow rate of the pump?
Without a lift, how can I calculate it for you?
Q:Why is the water pump usually used multi-stage pumps, while the circulating pump is usually a single-stage pump?
Mainly determined by the function of the water supply pump and the circulation pump.Replenishment pump is mainly to supplement the loss of the system, so the general flow is smaller, larger head, single pump water model in a small flow situation, many are not up to the required head, can only use multi-stage pumps.Circulating pumps are generally large flow, low lift, heavy efficiency, economic operation, and hydraulic model point of view, are single-stage pumps more appropriate, especially single stage double suction pump.

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