The Allis Chalmers 731 Plus is an extremely popular pump found in paper mills across the United States. This horizontal single stage pump is most commonly found in low pressure, high flow rate transfers involving low viscosity fluids such as water. These pumps have proven to be robust and reliable in paper mills.
Usually the 731 Plus line is equipped with a 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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