2 Points You Must Know About Chemical Pump Selection

Author : Arthur

Update time : 2022-02-28 13:31:36

2 Points You Must Know About Chemical Pump Selection

What should be paid attention to in the selection of chemical pumps？

Based on Mastering the Basic Data of Pump Selection, What Should Be Paid Attention to in the Selection of Chemical Pumps:

(1) The process flow where the chemical pump is located. The chemical pump should reasonably determine the basic parameters such as the flow rate and head of the pump according to the needs of the process. Generally, the chemical pump's everyday wear and the rotational speed's change may cause the head to drop. Therefore, the head of the pump can have a margin of 2% to 5% when selecting a chemical pump. But the maximum cannot exceed 10%. The basic principle is to ensure that the pump operates within the efficient range. In addition, the user can obtain the information of the pump inlet status through the process, which the user can be used to calculate the device's NPSH.

(2) The corrosiveness of the medium and the selection of materials. Due to the wide variety of chemical media with different properties, proper characteristic parameters are required, especially corrosivity, concentration, volatility, vaporization pressure, viscosity, density, etc. These properties are closely related to the selection of materials, not only metal materials but also the interaction of non-metallic materials with media.

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2 Points You Must Know About Chemical Pump Selection

2 Points You Must Know About Chemical Pump Selection

Based on Mastering the Basic Data of Pump Selection, What Should Be Paid Attention to in the Selection of Chemical Pumps: