Korbbogen head is manufactured as per German standard DIN 28013. Korbbogen heads are very similar to the Elliptical 2:1 heads. Simply said the Korbbogen heads are the European elliptical heads and the Elliptical heads are the American Korbbogen heads. The elliptical heads are used extensively for liquefied petroleum gas tanks, air receivers and other pressure vessels. With its reduced metal thickness, elliptical tank heads offer an economic solution for medium-pressure tanks.