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法兰三通球阀 Flanged tees ball valve Q44F(L型)
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法兰三通球阀 Flanged tees ball valve Q45F(T型)
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法兰连接固定式锻钢球阀 Fixed forged steel flange connection ball valve Q3(6/7/8/9)47F(N/PPL/Y)
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全焊接固定球阀 Welded structure trunnion type ball valve Q3(6/7/8/9)67F(N/PPL/Y)
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固定式铸钢球阀 Fixed cast steel type ball valve Q3(6/9)47F(PPL/H)
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浮动式全焊接球阀Floating fully welded ball valve Q3(6/7/8/9)61F(Y/N/PPL)
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浮动式锻钢球阀 Forged steel floating ball valve Q3(6/9)41F(Y/N/PPL)
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浮动式铸钢球阀 Cast steel floating ball valve Q3(6/9)41F(Y/N/PPL)
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球阀Ball valve