marine flange cast iron check valve Nominal pressure(Mpa) Nominal Diameter(mm) Applicable Medium 0.6 50~300 Sea water,fresh water,lubricanting Oil,fuel oil,t is less than or equal to 220 steam 1.0 65~250 1.6 20~50 PN (Mpa) DN (mm) Structure dimensions Lift range m Weight(kg) L H H1 A type Btype Atype Btype Btype A type B type 1.0 65 290 115 130 95 115 19 15.1 12.9 80 310 125 151 102 125 23 18.3 15.1 100 350 150 171 116 135 28 24.8 21.6 125 400 175 189 135 155 35 34.7 32.9 150 480 180 219 154 160 42 48.4 41.2 1.6 20 150 75 87 66 75 7 4.3 3.7 25 160 80 89 67 80 7 4.4 4.2 32 180 85 93 68 85 9 5.3 5.2 40 200 90 105 75 90 12 7.3 6.6 50 230 95 117 85 95 15 8.9 8.3 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
