HOW TO CHOOSE SCREW PUMP?

date：2020/04/01　reading volume：764

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.

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What are the performance characteristics of axial flow pump

date：2020/04/01　reading volume：865

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.

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Why does the power of axial flow pump decrease with the increase of flow rate?

date：2020/04/01　reading volume：941

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.

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What is the working principle of axial flow pump?

date：2020/04/01　reading volume：860

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.

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Chemical pump in the face of corrosion what needs attention

date：2020/04/01　reading volume：585

The principle of pump selection, in the selection of Centrifugal pump model so that the correct determination of Centrifugal pump material is to ensure the safe operation of centrifugal pumps and prolong the service life of an important factor.

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Working principle of submerged pump

date：2020/04/01　reading volume：603

The vertical motor of the pump is fastened on the motor base by Bolts, and is fixed on the bottom plate through the elastic coupling and the direct transmission of the pump, the pump body, the intermediate pipe, the pump frame, the liquid outlet pipe and the pipe flange, the whole of the pump is installed on the container through the bottom plate.

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Performance characteristics of mixed flow pump, centrifugal pump and axial flow pump

date：2020/03/20　reading volume：560

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Performance regulation method of axial flow pump

date：2019/07/08　reading volume：569

Axial flow pump should be adjusted in use to make it reach the best operation state. The adjustment methods of axial flow pump can be

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Attention to installation and commissioning of vertical submerged pump

date：2019/07/08　reading volume：590

With unique impeller structure and new mechanical seal, it can effectively transport solids and long fibers. Compared with the traditional impeller, the impeller of the pump adopts the form of single channel or double channel, which is similar to a bend with the same section size.

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Precautions for installation of self-priming pump

date：2019/07/08　reading volume：551

The concrete foundation shall be made according to the foundation size, and the foundation bolts shall be embedded at the same time. 2. The self-priming pump and motor shall be inspected before installation, and all parts shall be intact, and there shall be no sundries in the self-priming pump.

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