手动软密封对夹式蝶阀
Manual wafer type soft seal butterfly valve
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蜗轮软密封对夹式蝶阀
Worm gear soft seal wafer butterfly valve
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四氟密封对夹式蝶阀
PTFE sealed wafer butterfly valve
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蜗轮软密封法兰式蝶阀
Worm gear soft seal flange butterfly valve
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无头对夹式软密封蝶阀
Headless wafer type soft seal butterfly valve
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无头对夹支耳式蝶阀
Headless wafer trunnion butterfly valve
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无头法兰式软密封蝶阀
Headless flange soft seal butterfly valve
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蜗轮对夹支耳式蝶阀
Worm wheel wafer trunnion butterfly valve
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信号蝶阀
Signal butterfly valve
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蜗轮对夹信号蝶阀
Worm gear wafer signal butterfly valve
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对夹支耳式信号蝶阀
Wafer lug type signal butterfly valve
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蜗轮法兰信号蝶阀
Worm gear flange signal butterfly valve
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手动三偏心对夹式蝶阀
Manual three eccentric wafer butterfly valve
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蜗轮三偏心法兰式蝶阀
Worm gear three eccentric flange butterfly valve
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手动衬氟对夹式蝶阀
Manual fluorine lined wafer butterfly valve
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蜗轮衬氟法兰式蝶阀
Flange butterfly valve with worm gear lined with fluorine
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手动粉体蝶阀
Manual powder butterfly valve
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手动真空蝶阀
Manual vacuum butterfly valve
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对夹式通风蝶阀
Wafer type ventilation butterfly valve
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蜗轮法兰式通风蝶阀
Worm gear flange type ventilation butterfly valve
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卫生级焊接式蝶阀
Sanitary welded butterfly valve
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卫生级快装式蝶阀
Sanitary quick installation butterfly valve
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手动衬胶对夹式蝶阀
Manual rubber lined wafer butterfly valve
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带限位开关对夹式蝶阀
Wafer butterfly valve with limit switch
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手动软密封对夹式蝶阀
蜗轮软密封对夹式蝶阀
四氟密封对夹式蝶阀
蜗轮软密封法兰式蝶阀
无头对夹式软密封蝶阀
无头对夹支耳式蝶阀
无头法兰式软密封蝶阀
蜗轮对夹支耳式蝶阀
信号蝶阀
蜗轮对夹信号蝶阀
对夹支耳式信号蝶阀
蜗轮法兰信号蝶阀
手动三偏心对夹式蝶阀
蜗轮三偏心法兰式蝶阀
手动衬氟对夹式蝶阀
蜗轮衬氟法兰式蝶阀
手动粉体蝶阀
手动真空蝶阀
对夹式通风蝶阀
蜗轮法兰式通风蝶阀
卫生级焊接式蝶阀
卫生级快装式蝶阀
手动衬胶对夹式蝶阀
带限位开关对夹式蝶阀