marine flange butterfly 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. PN(Mpa) DN (mm) Structure dimension L D D1 b f Z-d H 1.0 1.6 50 108 165 125 20/16 3 4-18 110 ```` 65 112 185 145 20/18 3 4-18 115 ```` 80 114 200 160 22/20 3 4-18/8-18 120 ```` 100 127 220 180 22/20 3 8-18 135 ````` 125 140 250 210 24/22 3 8-18 165 ```` 150 140 285 240 24 3 8-23 175 ````` 200 152 340 295 26 3 8-23/12-23 210 ````` 250 165 395/405 350/355 28/30 3 12-23/12-25 240 ````` 300 178 445/460 400/410 28/30 3 12-23/12-25 280 ````` 350 190 505/520 460/470 30/34 4 16-23/16-25 310 ````` 400 216 565/580 515 32/36 4 16-25/16-30 340 ````` 450 222 615/640 565 32/40 4 20-25/20-30 380 ````` 500 229 670/715 620 34/44 4 20-25/20-34 410 ````` 600 267 780/840 725 36/48 5 20-30/20-41 470 `````` 700 292 895/910 840 40/50 5 24-30/24-41 550 ``````` 800 318 1015 950 44/52 5 24-34/24-41 640 ``````` 900 330 1115 1050 46/54 5 28-34/28-41 710 ``````` 1000 410 1230 1160 50/56 5 28-34/28-48 770 ```````