The most common usage is: the manual pump installed in the air inlet pipeline pipeline centrifugal pump on or near the water pump, pumping water, making water filling pipeline centrifugal pump boot tool, which saves the bottom valve on the pipeline pump intake, reduce energy loss and improve the efficiency of the pump device.
By water filling method for semi submerged type pump (intake pipes and pumps pump top elevation in the pool below the surface of the pumping station), water can be introduced without artificial irrigation pump in the water. The drawback is that this station does not make full use of the pump absorption capacity, while reducing pump installation height, not only increases the amount of foundation excavation, but also more inconvenient operation and management; but the advantages are obvious, which is easy to realize automation of the pumping station, strong timeliness.
Since the suspension of water diversion from the hanging water diversion is the use of the density difference of water and air, to achieve through the "water replacement" principle. This method can remove the water pump bottom valve.
First of all, design a suitable container for gas cylinders, gas cylinders for plastic products in general, but also for the thin metal pieces, the cost is only 1/2 at the end of the valve. Then, cylinders placed in the pump inlet, form a connected component and water pump pipe. At the same time, air flow between gas and water on the installation of a ventilation valve. When water filled, pre fill the gas tank for water, and then sealed, open valve. Ventilation is completed, close the valve, there will be a part of water hanging in the inlet. Repeated several times according to this method, the air will be fully drained, the water inlet pipe is it is full of water. At this point, you can start the pump for pumping operations. Before shutdown, as long as the first stop and then close the valve, water will not sit back. The next start will not have to irrigation water. This method has the advantages of water filled tank of low price, easy manufacture, labor Low intensity and energy saving
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