Multistage Pump D Series

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Product Description:

D, DG multistage centrifugal pump
suitable to deliver the water or other liquids with similar physical.

D  multistage centrifugal pumps are suitable to deliver the water or other liquids with similar physical and chemical properties as that of water, which temperature not exceed 80oC, are used for water supply duties in municipal engineering and factories as well as water drainage in mining.
DG pumps are suitable to deliver the water or other liquids with similar physical and chemical properties as that of water, which temperature not exceed 110
oC, are used for handling feed water in small and medium power plant as well as chemical and other industries.

Applications:
Pressure boosting installations
Boiler feed water plants
Hot and cold water circulation
Fire fighting

Flow:  4m³/h~550m³/h

Head: 70m ~ 1050m

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Q:1 water pump frequency converter constant pressure water supply wiring diagram
Light can not be seen in this picture, but also need to see the definition of the terminal on the practical manual, generally speaking, the three terminals are connected to +10V, public and analog signals / multi-function terminals.
Q:A direct type pump model with the coupling type, what is the difference?
This you can Baidu ah, otherwise it is not professional staff, it is estimated that will not be too clear
Q:1.5KW water pump caliber is 40, what is the flow rate?
Because you provide a wide range of data, there are several models and lift and flow, if you are interested, please leave a message for me to communicate
Q:What kind of water pump does the 5.5KW motor have?
With the motor pump are pump according to the actual need of work with you in the head, under the same water doubled, the motor is certainly not enough, you should this motor pump change together in order to meet the requirements of.
Q:How to introduce water pump?
The so-called Practice makes perfect., read the three hundred Tang poems will not recite poetry.Suggest a good understanding of the basic knowledge of water pumps, industry trends, understand the needs of the industry, as an expert in the industry!
Q:Stop the engine immediately and stop the circulating pump and the condensate pump. What's the harm to the turbine?
The condensed water is also used to air pumping device, steam seal cooler as cooling water, according to rules of turn.The circulating water is also used to supply cooling water to the oil cooler, and the oil temperature will rise.Hazard: exhaust pipe, condensate pipe will burst tube, low pressure cylinder rising temperature for deformation, rotor (shaft seal) may be deformed.
Q:Do you need a stop valve for the pump at home?
It is better to connect with the pump. If it is a self suction pump, it can not be connected, but when it is pumped, it does not immediately have water, and the submersible pump is not necessaryMy home is a self suction pump, fully automatic control, I took the check valve, in the pump suction port position is very good, as long as it has started, there will be water out
Q:What are the conditions for the series and parallel connection of the pumps?
Parallel pumps: the pump is required to lift the same. This effect is to increase traffic.Pumps in series: requirements are similar to the flow of water pumps. This allows you to increase the total head and recommend adding small pressure tanks during the series connection.
Q:What's a small soft pipe for a submersible pump in a fish bowl? How do you use it?
The little air hose is had to pump in pump operation, to play the role of oxygen, generally want to let the oxygen hose head above the water, or to go into the air, and lose the function of oxygen, if the tank is large enough, every day to open the filter pump. Use hose plus oxygen does not matter.
Q:Pump power ratio design is small, the problem is big?
No problem, despite the good use of different water pump factory manufacturing process is different, the product of the rich value of different factors, power difference is inevitable, as long as the flow and head to meet your use requirements.The calculation formula tells you: your flow is 72 tons / hour, lift 90 meters, motor power P=2.73HQ/0.75*1.2=28.5KW

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