In 2005, Shell Chemical in Geismar, LA was looking for a bearing seal that would withstand the test of time on their Pfaudler HU250 chemical reactor. The Pfaudler HU250 reactor has a gearbox positioned vertically, and needed positive sealing to prevent the loss of lubrication. Before Isomag bearing isolators were introduced, the HU250 was using lip seals. However the lip seals only held up for a short amount of time, and wore a groove in the shaft.
Isomag bearing isolators are unique in that they are both a positive seal but also do not damage the shafts on the host equipment, and work in horizontal or vertical up or down positions for the right angle gearboxes. Isomag bearing isolators also work perfectly in grease lubrication environments. Shell Chemical was introduced to Isomag bearing isolators in 2005, and is currently running today.
A brochure for Isomag bearing isolators can be found here. Also as a reminder, Isomag bearing isolators can be custom made to fit your machine. Contact our customer service team and we will help you find the ideal solution for your needs.
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