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replacement, labor, warehousing and inventory casing, effected by either adjusting the impeller, the
handling costs. casing or suction liner. ln high wear applications,
the extension to wear life can be significant.
Timely maintenance So, in terms of calculating and managing the
A pump's useful part life can be extended by regular TCO of a pumping system, we need to look beyond
maintenance. While gland seal and bearing the most obvious cost components, i.e. capital,
maintenance are common to all pumps, slurry spare parts, energy and labor, and consider the
pumps are susceptible to increased wear due to impact pump and motor selection, materials of
recirculation within the casing. This tends to construction and maintenance regime to get a full
increase as parts begin to wear and clearances picture of the true cost of the assets.
become enlarged. The most affected components Of course, our experts at Sulzer are always
are the impeller and the suction side of the casing, happy to discuss pump design, operation and
where recirculation from the high to the low- maintenance to help you to optimize your
pressure side of the casing is present. operations across a multitude of industries and
lt is common practice to maintain a small gap applications.
between the impeller and the suction side of the www.sulzer.com

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