Rick Ross is the president of R. A. Ross and Associates Inc., a pump and specialty representative and distributor based in Louisville, Kentucky. He holds a BSME and has spent 39 years working with difficult pump, mechanical seal and other process applications in the Ohio Valley. Ross may be reached at solutions@raross.com or via the website raross.com. The author would like to acknowledge Brian Schnelzer, operations manager, Ceco Environmental, Met-Pro Global Pump Solutions (Dean Pump), for his contributions, including the article images and some technical details.