Submersible sewage centrifugal water pump

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Shanghai
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1 unit
Supply Capability:
1000 unit/month

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Product Description:

◊APPLICATION

Applied to pumping such liquid which is not clean, with solid matter or frictional matter, low viscous, lcorrosive, crystallizable, chemically neutral and close to water. Such as:

1.  domestic wastewater treatment system

2.  School,hospital,community wastewater treatment system

3.  Irrigation

 

◊ Features

 

1. 100% copper wire

 

 

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

3. Double sides mechanical seal graphite&ceramic

 

 

4. Demagnetization of stainless steel nuts

 

5. Anti-rust treatment castings and electrophoresis

 

6. New testing equipment

 

 

 

◊ OPERATION CONDITION

 

1.Maximum depth below water: 5m

 

2.Maximum trans medium temperature up to: 40

 

3.PH of trans medium is scope from 4-10

 

 

◊TECHNICAL DATA

 

 

 

description   material
motor housingstainless steel
pump bodycast iron
impellercast iron
shaftAISI420(2GR13)
statorDR510 steel
winding100%copper
sealmechanical seal 
graphite&ceramic


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Q:What are the reasons for sealing damage of centrifugal pumps?
The reasons for sealing damage of centrifugal pumps are as follows: six, the specific contents and handling methods are as follows:First, the centrifugal pump water quality is poor, containing particles.As a result of poor water quality, containing small particles and medium hydrochloride content is high, forming abrasive wear, centrifugal pump seal plane or pull the surface, resulting in groove, ring groove and so on.Treatment method: improve water pressure or medium, replace machine seal.
Q:What is a vacuum pump for?
In fact, the vacuum pump and high Swiss fan, high Swiss high-pressure blower, high Rui high-pressure pump principle is almost the same
Q:What are the main performance parameters of the pump?
RPM revolutions per minute. In N, the unit is R / minThe power delivered by the shaft power prime mover to the pump shaft. In P, the unit is kW.The ratio of useful power to shaft power of an efficient pump. With ETA said. It is an indicator of the degree of perfection of the pump in terms of hydraulic power
Q:Attention should be paid to the use of pumps?
To carefully check whether there is a crack impeller, impeller fixed in the bearings are loose, if there are cracks and loose, hungry phenomenon should be promptly repaired, if the pump impeller above the soil should also be cleaned
Q:Does the control cabinet of the fire control pump need to be related to the fire control room?
Normal words are needed, but when you check and check, has anyone checked?
Q:Fire control center manual start fire pump directly, multi line control
The line between the fire pump buttons should be NHBVR-4*1.5 lines. 2 start, 2 answer. Some manufacturers reported that the 3 lines can also, this need to see which is the specific equipment. In addition, we need to introduce 2 warning buses.The above lines are individually distributed
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 is the difference between centrifugal pump and rotary vane pump?
This is a classification problem.Rotary is classified by movement, vane pumps are rotary, volumetric pumps are mostly rotary, piston pumps, etc., is reciprocating.
Q:What are the differences between the sewage pump and the clean water pump?
2. in order to prevent the wound, water pump impeller design is more simple but not ring pump, equipped with tips, cloth and other debris can be crushed after the pump, and the impeller water pump is relatively complex, but the efficiency will be significantly higher than the former.Why can't the sewage water pump and impeller: because features of key design, resulting in water pump for sewage situation is likely to occur, blocking, winding, wear and corrosion occurs, resulting in damage to pump or scrapped, so water pump can not be used for sewage.
Q:What is the difference between centrifugal pump and positive displacement pump?
The centrifugal pump is to rely on high-speed rotation of the impeller to do work on the fluid. These two types of pumps are also the most widely used.

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