Magnatex mechanical seal centrifugal pumps are heavy duty, rugged, world-class quality, ANSI process pumps manufactured to meet the latest ASME B73.1-2001 standard (revision of ASME B73.1M-1991). The pumps are manufactured in 29 sizes from a wide variety of materials, and offer seal options and seal flush systems to handle almost any application in the process industries. All Magnatex centrifugal pumps and spare parts come with a 5-year warranty on materials and workmanship.