GB/T591-93船用法蘭鑄鐵截止止回閥
Marine Cast Iron Flanged Stop Check Valves
主要零部件材質 Materials of Main Parts
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零件名稱 Parts Name
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材料 Material
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名稱 Name
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牌號 Marks
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閥體、閥蓋 Body/Cover
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灰鑄鐵 Gray Cast Iron
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HT200
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閥盤 Disc
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鑄錫青銅 Cast Tin Bronze
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ZCuSn10Zn2
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閥座 Seat
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鑄鋁青銅 Cast Aluminum Bronze
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ZcuA19Mn2
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閥桿 Stem
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鋁青銅 Aluminum Bronze
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CuA19Mn2
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