R. E. Purvis & Associates, Inc., in conjunction with Parker Engineered Materials Group, offers a line of bearing protection seals called Pro Tech. Pro Tech is well-suited for caustic environments and offers superior bearing protection.


A chemical processing plant was experiencing chemical attack on its radial shaft seals. This was costly in maintenance and production down time.


R. E. Purvis and Parker Engineered Materials Group were able to replace the standard radial seals with the Pro Tech line of bearing isolators. Pro Tech's design utilizes the most effective labyrinth for both exlusion and oil retention on the market. Partnering this labyrinth design with non-metallic PTFE material options, R. E. Purvis and Parker were able to minimize manitenance impact and down time production costs.

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