The Ahlstrom APP31-150 is an extremely popular heavy duty paper stock & process pump found in paper mills across the United States. This horizontal pump is most commonly found in cellulose fiber slurries, evaporators, concentrators, waste stock & black liquor. These pumps have proven to be robust and reliable in paper mills around the country.
Usually the Ahlstrom APP31-150 is equipped with a lip seal or labyrinth , however since most of these pumps are stationed in wet and steamy areas, the bearing housings has issues with water vapor ingress. Isomag bearing isolators are a positive seal and will hold oil in, and keep the external contaminates out of the bearing housing. Many customers from International Paper, West Rock, & Domtar Paper have found Isomag bearing isolators to be their best solution for maintaining their maintenance lifetime goals.
A brochure for Isomag bearing isolators for pumps 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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