Chesterton manufactures high performance mechanical seals for centrifugal pumps, and other maintenance products, used in the petroleum refining, petrochemical and chemical industries. We are known for innovative products that increase reliability and solve many seal/pump system problems. \r\nChesterton's new seal manufacturing, repair and training center in Harris County, Texas has recently opened to provide maximum responsiveness for all of our gulf-coast customers' needs.\r\n