Peripheral Turbine Antiblocking Submersible Pump for 4" Well

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Q:Variable flow variable frequency water pump how to adjust the flow?
Flow plus transmitter control
Q:Installation position of check valve for water pump
Check valves are generally installed at the pump outlet and exit control valve position. Self suction pump check valve installed in front of the pump, suction port better!Ordinary centrifugal pump check valve flange from the pump outlet flange is generally 300mm-500mm, its purpose is: when the pump is stopped, to prevent backflow of water to the pump body in the pipeline, resulting in the impeller reversal (generally positive rotation is more impeller impeller and shaft tight) that damage the impeller and pump head. Therefore, the height can not be too high, too high, there are too many water reflux, the consequences can be imagined.But there are self suction pumps, self suction pumps, check valves, flanges, pumps from the body, the outlet flange generally 1 meters to 1.5 meters.This is determined by the structure and working conditions of the self-priming pump. Self suction pump start, the pump is a gas at first, the main purpose is to exhaust the rotation of the impeller, will also play out some of the water, this time need to exhaust gas, water will need to return, if the valve is installed in the 300mm-500mm, then a lot of water can not return to the pump body (can also cause check valve is closed), effect of self suction pump work.Self suction pump check valve installed in the suction port of the pump better, this is not upstairs nine, brother said, must be installed in the export, this is wrong. Installed in the inlet of the purpose: it is time to stop the pump, there is generally no reversal of pump impeller, but to prevent the pipeline inside emptying (fluid inside the pipe can be in pipe) is beneficial to the self suction pump for a restart! Therefore, the self-priming pump check valve is best installed in the inlet pipe of the suction port.
Q:Pump house should be equipped with those equipment and valves
The pump room generally the main equipments used are: pipe, water pump, water pump control box, inlet valve, outlet valve, check valve, pressure gauge, water valve and a water tank, according to the specific design of the pump room to you, just above the pipe segment.
Q:How can I pump the motor insulation?
The cable head in the distribution box should be relieved. What's more, the motor insulation is not the pump insulation. Usually, just shake it in the middle of the water and the ground.
Q:Multi storey residential buildings also need to set up pressurized water pump room, direct water supply can not be?
Some water pressure is not enough, and since you are multi-storey, you need to add booster pump downstairs
Q:Is the pump lift horizontal or vertical?
A vertical, vertical lift is one meter (see environment), usually 5~10 times the horizontal distance
Q:The wiper pump is broken. How much will it cost to fix it?
Hello, the wiper motor is broken, can only be replaced to solve the problem, different models of price difference is too large, general average car about 60-80. You can go to a few repair shop to ask, OK, you can also match the city or Taobao purchase.
Q:What is the reason that the centrifugal pump outlet pressure decreases and the operating current increases?
The outlet pressure decreases, indicating a decrease in speed. The increase of the current shows that the load has increased. Generally speaking, the resistance of rotating parts increases. Check that the bearings of the pump and motor are damaged as soon as possible. As soon as you replace it, you will be able to return to normal. If this is done for a long time, the motor is likely to burn out
Q:Submersible pump coupling, what does this coupling mean?
Submersible pump, mostly in sewage sewage pump, this is more common, QJ submersible pumps generally can not use coupling devices
Q:When using a frequency converter to adjust the pump, what is the relationship between the change of the speed and the efficiency of the pump?
When you buy the pump, you can ask the manufacturer to give you an FM curve so that you can see the change in the efficiency of the pump as the frequency is adjustedSend you a document in the hope that I can help you

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