marine simplex breather 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 oil tank flange connection H H1 L L1 A type B A B A B A B Cast iron Cast steel D D1 D2 b do 80/100 248 330 100 10 260 380 135 220 8 6 170 138 118 14 15 100/150 290 500 136 25 300 500 140 304 9 7 190 158 138 14 15 AS type &BS type 80/100 248 330 100 10 260 380 135 220 8 6 190 158 128 18 18 100/150 290 500 136 25 300 500 140 304 9 7 210 170 148 18 18 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