... , Electric operated. Size from DN50-1800mm JIS,DIN,BS knife gate valveSpecifications:Design and manufacture standard: GB/T, ANSI, JIS, DIN1 ... , material: Carbon Steel (WCB), Stainless Steel (SS304, SS316, SS301, 316L), Cast Iron 4). Seal: Rubber, PTFE, Stainless steel, Hard Alloy 5). Working ... you neede. Welcome to contact us for more information Lug type pneumatic knife gate valve