How to select pump products?
Release time:
2024-03-15
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the pump selection style and performance in line with the device flow, head, pressure, temperature, cavitation margin, suction range and other process parameters required
1, the pump selection style and performance in line with the device flow, head, pressure, temperature, cavitation margin, suction range and other process parameters required
2, must meet the requirements of the characteristics of the medium for the pump conveying flammable, explosive toxic or precious media, requires a reliable shaft seal or the use of non-leakage pumps, such as magnetic drive pumps (no shaft seal, the use of isolation magnetic indirect drive) for the pump conveying corrosive media, the requirements of convective components using corrosion-resistant materials, such as fluorine plastic corrosion-resistant pumps conveying solid particles of media pumps, the requirements of convective components using wear-resistant materials, if necessary, the shaft seal with the use of clean liquid flushing. When the shaft seal with clean liquid flushing.
3, mechanical requirements of high reliability, low noise, low vibration.
4, the correct calculation of the input cost of pump procurement, see: how to correctly calculate the input cost of procurement pumps, the following is a basic pump selection reference
5, the transmission of highly corrosive media (such as "concentrated sulfuric acid, concentrated nitric acid"), the transmission of flammable and explosive media, the use of the environment must not have any pollution.
Magnetic pump can be used, such as "CQB series magnetic pump, IMD series magnetic pump, such as self-priming, can be used FZB fluorine plastic self-priming pump submerged anticorrosive pump 6. IHF centrifugal pumps and FSB centrifugal pumps have the characteristics of high rotational speed, small volume, light weight, high efficiency, high flow rate, simple structure, no pulsation of the liquid infusion, smooth performance, easy to operate and maintenance, such as the use of the working conditions without special requirements, it can be used in the following cases. If there is no special requirement for working condition, centrifugal pump is better.
7, pumps containing solid particles of chemical media, the requirements of convective components using wear-resistant materials: UHB mortar pump for the best selection of objects UHB corrosion-resistant wear-resistant mortar pump material for the new high-strength engineering plastics, which is a modified ultra-high molecular weight (more than 5 million) polyethylene. In plastics, it has excellent abrasion resistance, experimental comparison, its abrasion resistance is much higher than stainless steel frustration impact Hang creep and excellent corrosion resistance (comparable to F4) and non-adhesion and other unique properties.
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2024-03-15
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