Ball valve “wafer type” full bore, manufactured from round bar, according to EN 12516.2; ASME B16.34; ISO 14313; EN 1092-1; EN1759-1; ASME B16.5 ANSI B1.1; ISO 14313; EN 558 (Basic series 100) Available size from DN 10 to DN 250 in carbon steel,  stainless steel and special steel Rating PN 6 / PN 10 ÷ 40 / ANSI 150 ÷ 300. Double seals on body/end junction (patent n°00216919) Chevron ring on stem. On request : – with o’ring on stem (patent n°00219688). – fire-safe execution according to ISO 10497 API 607 – fire safe execution BS6755 API 607/6FA (patent n° 00219617) – cryogenic execution ISO 28921 – according to PED 14/68/UE directive – according to TPED 2010/35/UE directive – according to ATEX14/34/UE directive – degrease according to ISO 23208 oxige service –  certified  in safety system S.I.L. 3.