marine male thread bronze 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 4.0 10~32 Sea water,fresh water,lubricanting oil ,fuel oil,t is less than or equal to 250 steam DN (mm) Structure dimension Wrench size Weight(kg) L H H1 S2 A type B type A type Btype Atype Btype A type B type 10 94 47 54 20 41 M27*1.5 27 0.61 0.58 15 110 55 61 25 52 M36*2 32 1.00 0.94 20 116 58 65 32 55 M39*2 36 1.19 1.24 25 130 65 70 38 64 M48*2 46 1.71 1.58 32 140 70 84 46 72 M56*2 46 2.87 2.61 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