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  • How to increase self – priming ability of submersible pump

How to increase self – priming ability of submersible pump

by admin / Thursday, 12 January 2017 / Published in blog

Submersible pump has a certain degree of self-priming ability, then how should we improve its capacity?
First, the submersible pump set vacuum pump in the pump suction pipe , before submersible pump start, the vacuum pump start first, so that the pump suction pipe first filled with water to ensure that the pump automatically and quickly start. This method of water needs to have a sound automatic control system to ensure the normal work.
Second, this is simple relative to the others: no clogging submersible pumps to reduce the water pipe bend, drop height and horizontal interval.
Third, this approach requires a suction pipe in the pump set up a suction pump, before the first running should be filled with artificial water, the first stop after the operation, due to the height of the intake pipe suction tube height above the water surface , Even though the water level inside the tank is lower than the height of the water inside the tank, the water inside the tank will not flow back.
The last, install suction valve at the end of the submersible pump suction pipe. Siphon valve is actually a kind of check valve, which ensures that the water flow into the suction pipe only from the pool and can not be back, so if the suction pipe filled with water, although the water pump axis elevation above the pool water level, but because of the suction valve, the water will not sink into the pool, so that the suction pipe has been covered with water, to ensure the pump automatically and quickly start.

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Nanjing lanshen Pump Corp.LTD., founded in 1958,after 50 years of development, is now a registered capital of 50 million yuan, with assets exceeding 400 million yuan, accounting for area of 280 acres. China’s first submersible sewage pump and mixer in the birth and to fill the gap. Currently has a centrifugal pump, switch type electric control, water treatment equipment for mass production of special machines ability to produce its own sewage plant and pumping station for more than 70% of the equipment.

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