Three way 90° ball valve “wafer type”, full bore, manufactured from round bar or casted according to EN 12516.2; ASME B16.34, ISO 14313 Patented n° 00219616. Available size from DN 40 to DN 200 in carbon steel, stainless steel and special steel Rating PN 10÷40 / ANSI 150 (On request available ANSI 300/600). Chevron ring on stem. On request: – with o’ring on stem (patent n°00219688). – fire-safe execution according to ISO 10497 API 607 – according to  PED 14/68/UE directive – according to TPED 2010/35/UE directive – according to ATEX 14/34/UE directive – degreased according to ISO 23208 for oxigen serivce –  certified  in safety  system S.I.L. 3.