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七臺(tái)河法蘭三通球閥 Flanged tees ball valve Q44F(L型)
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七臺(tái)河法蘭三通球閥 Flanged tees ball valve Q45F(T型)
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七臺(tái)河法蘭連接固定式鍛鋼球閥 Fixed forged steel flange connection ball valve Q3（6/7/8/9）47F(N/PPL/Y)
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七臺(tái)河全焊接固定球閥 Welded structure trunnion type ball valve Q3（6/7/8/9）67F(N/PPL/Y)
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七臺(tái)河固定式鑄鋼球閥 Fixed cast steel type ball valve Q3(6/9)47F(PPL/H)
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七臺(tái)河浮動(dòng)式全焊接球閥Floating fully welded ball valve Q3(6/7/8/9)61F(Y/N/PPL)
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七臺(tái)河浮動(dòng)式鍛鋼球閥 Forged steel floating ball valve Q3(6/9)41F(Y/N/PPL)
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七臺(tái)河浮動(dòng)式鑄鋼球閥 Cast steel floating ball valve Q3(6/9)41F(Y/N/PPL)
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七臺(tái)河球閥Ball valve
