Hand wheel Knife gate valves Casting, Carbon steel, stainless steel JIS ... Size from DN50-1800mm Flange Knife gate valve, Chain wheel knife gate valve, pneumatic knife gate valve, electric knife ... Ashes, etc/Our products are widely used in paper making factory, Coal Washing plants, Sewage treatment plants, slag-off industry, ... . Welcome to contact us for more information. Hand wheel Knife gate valve