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Screw pump overview, screw pump is a positive displacement rotor pump, it is by the screw and bushing formed by the volume of changes in the volume of the sealed chamber to draw in and out of the liquid....

use and management, axial flow pump high specific speed pump general specific speed 500 ~ 1000 due to the higher speed the lower head flow more due to the axial flow pump qv-H performance curve steeply drop should be discharge pipeline valve closed otherwise power generator motor-mounted damage axial flow pump adopts adjustable vane pump to regulate flow....

Why does the power of axial flow pump decrease with the increase of flow rate? Under the condition of low flow rate, the internal loss of axial flow pump is very big, and the pump efficiency is low....

How it works: The wing is suspended in a fluid that flows at a certain speed with negative pressure on the surface and positive pressure on the back, the positive and negative pressure is related to the wing shape....