The Hansen, Coupleurs Gromelle, and QUICK SEAL brands, now under the Eaton umbrella, provides a complete line of quick coupling solutions, leak testing connectors, and filling connectors. Hansen has long been known in the industry for setting the standards of quality since 1915 and have maintained that quality by being certified ISO 9001. There are countless engineering designs that specify Hansen couplers, and we can supply them for you.