Lug Type Butterfly Valve

butterfly Valve Butterfly valve, also name as flap valve, is a simple regulating valve, which can be used for butterfly valve controlled by switches in low pressure pipeline, and the closing part (disc or butterfly plate) of butterfly valve revolves around the valve shaft to achieve opening and closing. Production Size:DN40-DN300mm Pressure range:PN10,PN16 Design Standard: Face to Face:DIN3202/EN558-1 Flange Standard:EN 1092/DIN2533 Testing Standard:EN12266 Main Material of parts: Body:GG20/GG25/GGG45/GGG50 Disc:GG20/GG25/GGG45/GGG50/Carbon steel/stainless steel Stem:2Cr13/SS304/SS316 Seat:PTFE/RPTFE/TFM1600 It can be used to control all kinds of fluids such as air, water, steam, corrosive media, mud, oil, liquid metal and radioactive medium