蝶阀规格 PN10 PN16 双头螺柱 六角螺栓 双头螺栓 DN 数量 直径 总长L 数量 直径*L 数量 直径 总长L 50 4 M16 130 4*2 M16*40 4 M16 130 65 4 M16 140 4*2 M16*45 4 M16 140 80 8 M16 140 8*2 M16*45 8 M16 140 100 8 M16 150 8*2 M16*50 8 M16 150 125 8 M16 150 8*2 M16*50 8 M16 150 150 8 M20 165 8*2 M16*50 8 M20 165 200 8 M20 175 8*2 M16*55 12 M20 175 250 12 M20 185 12*2 M16*60 12 M24 185 300 12 M20 195 12*2 M16*65 12 M24 200 350 16 M20 195 16*2
. .. Flange & Installation Dimensions of Grade PN1.0Mpa Type “A” ,”LT” Concentric Butterfly Valve Size Dia of pipe (do) Dia of flange (D) Dia of center circls (D1) Inner Dia of flange (D3) Dia of projecting hole of flange (D4) Number of bolt ( n) Dia of bolt holes (d) Flange thickness (b*) Mini thickness of pipe (So*) Dimension of valve (B) mm inch 50 2” 57 165 125 59 50 4