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GB/T590-93船用法兰铸铁截止阀
Marine Cast Iron Flanged Globe Valves
GB/T591-93船用法兰铸铁截止止回阀
Marine Cast Iron Flanged Stop Check Valves
GB/T590-1993船用法兰铸铁截止阀性能规范 Technical Data
公称压力
Nominal Pressure(MPa)
公称通径
Nominal Diameter(mm)
适用介质 Applicable Medium
0.6
50～300
海水、淡水、滑油、燃油和 t≤220℃蒸汽 Sea water, Fresh water, Lubricanting oil, Fuel oil, t≤220℃ steam.
1.0
65～250
1 6
20～50
船用法兰铸铁截止阀主要零部件材质 Materials of Main Parts
零件名称 Parts Name
材料 Material
名称 Name
牌号 Marks
阀体、阀盖 Body/Cover
灰铸铁 Gray Cast Iron
HT200
阀盘 Disc
铸锡青铜 Cast Tin Bronze
ZCuSn10Zn2
阀座 Seat
铸铝青铜 Cast Aluminum Bronze
ZcuA19Mn2
阀杆 Stem
铝青铜 Aluminum Bronze
CuA19Mn2
