Whether choosing cheaper seals

Now, many plant construction projects do 'mess'. To cut costs, the plant will pump and seals seen as some of the worst culprits. But in the long run point of view, if, because of this pressure and buy cheap meter seals, will give the company's operations caused counterproductive consequences, leading them to the market in today's world have lost the ability to compete.
Can be sure that now possess superior economic conditions, and therefore do not have to buy the cheapest product is not available, Page Mr. attempt to prove this. He said the key is to plant managers and accountants must be unanimous. His advisers from industry experts Paul Barringer get a revelation. For a long time, the expert has insisted that: a shift in order to make a case, the engineer must take the numbers and the net present value (NPV) to speak.
If a device, not due to failure of the seal, but for some reason, and need frequent maintenance of the case, then the choice of the short-lived seal member may be a valid option. But Mr. Page said: "If the seal life as a limiting factor, then the choice may be more reliable seals, of course, prices may also be higher."
However, there is a higher investment option, in the long run the cost of having to spend a very high, which is sealless pump. In the life-cycle cost estimate table is also related to this problem. Mr. Page said, unsealed pump will cause transmission losses, so the energy efficiency significantly lower than the average pump. But also as an ordinary pump as often need to send production plant repair, maintenance and inventory costs therefore always relatively high fees.
A final note is: Only when the seal reaches its desired performance, life cycle cost calculations to accurate, this means that high security seal must be installed correctly to operate correctly. Mr. Page said that modern barrel-type mechanical seal is easy to install, place accurate, but improper operation will still cause damage. For example, he said: "a large double pump, especially its hot runner, the need to have a few hours before the start of the warm-up company if the removal of the fillet, is bound to shorten the life of the seal."