Marine Gate 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/Tstandard,CB/Tstandard,JIS standard,DIN standard,API.ANSI,BS standard etc.Pls contact us for more details. Technical data Nominal pressure(Mpa) Nominal Diameter(mm) Applicable medium 0.6 50~150 Sea water,fresh water,lubricanting oil 0.4 175~300 0.25 350~500 Materials of main parts Parts name material name marks Body/cover/disc Gray cast iron/cast steel/cast tin bronze HT200,ZG230-450,ZCuSn10Zn2 Stem/nut Aluminum bronze/stainless steel CuAl9Mn2,2Cr13 Seal ring Aluminum bronze/stainless steel CuAl9Mn2,1Cr18Ni9Ti,2Cr13 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