Hanson Tank (Roy E. Hanson Jr. Mfg.) is a major U.S. manufacturer of carbon and stainless steel pressure vessels built to the ... ASME Boiler and Pressure Vessel Code, Sect VIII, Div I and HLW. Founded in 1932 the company manufactures and ships pressure vessels to destinations all over the world. The product range is: air receivers, water storage tanks, propane tanks, miscellaneous pressure vessels. Sizes and design pressures: from 15# to 3000# design working pressure. Tank heads: carbon and stainless steel tank heads from 12" to ten feet in diameter. Linings are: epoxy, glass and cement. Coatings: fiberglass with metal jacket or R-16 polyurethane sprayed-on foam insulation are also offered. read more