BUTTERFLY VALVE; NOMINAL SIZE: 16´´; FLUIDS: BLAST FURNACE GAS MOUNTING TYPE: BETWEEN FLANGES; DISK MATERIAL: 316 STAINLESS STEEL ACTUATION TYPE: PNEUMATIC ATTUATORE; PRESSURE: PN 10; BODY MATERIAL O: STAINLESS STEEL; SEAT MATERIAL: EPDM; VF-77 AND VF-78 AUTOMATIC BUTTERFLY VALVE FOR MIXED GAS LINE OF GADS GGQS; MANUFACTURER 1: HERBERHOLZ; PART-N 1: AK/DVGW-SSK-BWM-05-YD-400-10/SC2000-MV