... ,DIN,JIS,GB,etc. Pressure Vessel FlangeFeatures: 1) Materials: carbon and stainless steel 2) Standards: ASTM, ASME, AISI, API, UNI, ... DIN, SIS and EURONORM 3) Seamless rolled rings, rough machining4) Outside diameter: 2 ... Face height: 400mm (max.)6) Produced in rolled heat-treated and machined conditions 7) Special design available pressure vessel flange