Four way 90° ball valve “wafer type”, manufactured from round bar, according to ASME B16.34; ISO 14313. Available size from DN 15 to DN 150 in carbon steel, stainless steel and special steel Rating PN 10 ÷ 40 (On request ANSI 150). With “X” bore type ball. 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 according to BS6755 API 607/6FA (patent n° 00219617). – according to  PED 14/68/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.