marine flange cast steel boardside stop check valve China Deyuan Marine Fitting Co.,ltd are leading supplier of different type of marine valve,we can offer marine gate valve,marine globe valve,marine butterfly valve,marine check valve etc with GB standard,JIS standard,DIN standard,API.ANSI,BS standard etc.Pls contact us for more details. DN (mm) Structure dimension Thickness tt Hand wheel L H L1 Weight(kg) AStype BStype AStype BStype BStype Do S AS type BStype 40 200 115 300 326 115 6 120 11 8.2 7.9 50 230 125 318 383 125 7 140 12 12.8 11.6 65 290 145 348 430 145 7 140 12 19.5 18.6 80 310 155 490 474 155 7 160 14 24.9 23.8 100 350 175 414 498 175 8 180 14 32.65 30.7 125 400 200 466 561 200 8 200 17 45.8 44.7 150 480 225 528 616 225 9 200 17 59.8 54.9 200 600 275 736 829 275 10 280 22 97.1 78.3 250 730 325 858 986 325 11 320 27 148.4 126.6 300 850 375 1015 1160 375 12 400 27 201.7 179.2 350 980 425 1065 1210 425 12 450 32 239.9 229.6 275N CE approval inflatable life jacket CO2 fire extinguishing system Marine horizontal/vertical oil fired boiler Marine air compressor marine centrifugal pump marine hydraulic steering gear Hydraulic capstan Tunnel thruster/bow thruster