DN50 Valve Motorized Modulating Valve Butterfly Valves Stainless Steel

Large size flange hard sealing Water seal butterfly valve adopts precision J elastic sealing ring and triple eccentric metal hard seal structure, multi-level, is widely used in metallurgy, electric power, petroleum, chemical industry and municipal construction and other industrial piping and drainage which medium temperature is less or equal than 450 ℃, using for adjusting flow cutoff.