marine flange cast steel 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. Nominal pressure(Mpa) Nominal Diameter(mm) Applicable medium 1.0 65~125 Fresh water,lubricanting oil Fuel oil,t is less than or equal to 300 steam 1.6 20~125 2.5 20~100 PN(Mpa) DN(mm) L H H1 thickness Weight(kg) A type Btype Atype B type Btype Atype B type 1.0 65 290 115 124 91 115 6 12.5 10.6 80 310 125 151 110 125 7 15.6 14.4 100 350 150 165 116 135 8 24.5 19.9 125 400 175 184 124 155 8 31.9 27.5 (1.6) 2.5 20 150 75 84 70 75 6 3.3 3.2 25 160 80 84 70 80 6 3.9 3.8 32 180 85 90 70 85 6 5.8 5.1 40 200 90 99 75 90 7 7.1 6.3 50 230 95 110 81 95 7 8.8 8.5 65 290 115 128 94 115 7 13.5 11.5 80 310 125 156 115 125 7 18 16.9 100 350 150 158 119 135 8 26.3 22.7 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