2019年10月31日星期四

How to correctly calculate the input cost of purchasing pump

Many people shop around when purchasing a pump, calculating the exact pump price, and choosing the cheaper product that meets their requirements. This approach did save first-time procurement costs, and most of the products in the initial stage can basically meet the needs of use. But for the user, the pump plays a much greater role in its use than the cost of the original purchase, so we must also calculate the overall cost of wasted work time and maintenance costs in the event of pump failure In the same way, the pump will consume a lot of energy during operation, and the power consumed by a small pump will be staggering over the years.

After some foreign pump manufacturers tracking the sale of the product survey shows that the pump in the life of the largest cost of funds spent is not the initial purchase cost, nor is the maintenance costs, but the power consumed. The figure below shows the result of an overseas manufacturer's input into the pump product.

Foreign manufacturers of long-term investment in the pump results

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From this result, we are surprised to discover that the original pump consumes much more energy than the purchase cost and maintenance cost of the pump. Considering its own efficiency, noise and labor maintenance, what reason do we have? Buy those low quality of the "parallel" products?

In fact, some types of pumps are the same principle, which the structure, components are similar, the biggest difference is reflected in the selection of materials, workmanship and quality. And other products is not the same, pump parts cost difference is very significant, the gap is so large that most people can not imagine. For example, a very small shaft seal, a few cents cheaper can buy, but good products but dozens or even hundreds of dollars, one can imagine the use of these two products to create the product gap, and let The concern is that they are almost indistinguishable from their predecessors. Hundreds of thousands of times the price gap reflected in the performance and life of the product. Short-lived (a few months), noise (one or two months later), leakage (two or three months later) and other phenomena occur one after another, so that many users regret not start saving the tens of dollars. The use of large noises and high calories is actually a valuable energy conversion to useless kinetic energy (mechanical friction) and heat, the actual effective work (pumping) is pitiful.

See here, smart users should understand how to choose the right product.

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