Valves of VF-8 serie are a triple-offset designed, to be 90 degrees rotary and torque seated. Provided with solid metal seat or laminated seat, their life may up to 50.000 cycles with no jamming and packing adjustment. The valves, wafer, lugged or flanged type, are manufacturing with a large range of selected materials, rating ANSI 150 (VF-87), ANSI 300 (VF-88) or ANSI 600 (VF-89), from diam. 3” up to diam. 72”. The full serie passed the fire safe test, and emission approval to TA-LUFT (ISO 15848-1) verified by TUV. Provided by extensions, they have been also tested for cryogenic use (BS 6364).