... Knife gate valves with handwheel,pneumatic,electric JIS, ANSI,DIN,GB standard Size DN50-1800mm NPS:2''-72'' Inch Api Knife gate valve, cast steel / stailess steel Knife gate ... knife gate valve, electric knife gate valve. Knife gate valveDesign and manufacture standard: GB/T, ANSI, JIS, DINSpecifications: 1). Pressure: 0.6-1.6 MP Or 150Lb ...