Flange Knife gate valve, Chain wheel knife gate valve, pneumatic knife gate valve, electric knife gate valve. Knife gate valve Design and manufacture standard: GB/T, ANSI, JIS, DIN Specifications: 1). Pressure: 0.6-1.6 MP Or 150Lb 2). Size: 50-1600mm 3). Body, Bonnet, material: Carbon Steel (WCB), Stainless Steel (SS304, SS316, SS301, 316L), Cast Iron 4). Seal: Rubber, PTFE, Stainless steel, Hard Alloy