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large wafer butterfly valve
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AL-Bronze lugged butterfly valve
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TEFLON seated butterfly valve
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AL-Bronze disc butterfly valve
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Fire fighting butterfly valve
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wrench lug butterfly valve
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lugged type butterfly valve(cast iron, ductile iron)
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Corrosion resistance butterfly valve
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Signal Wafer butterfly valve
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Sea water corrosion resistance butterfly valve
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Rubber seat butterfly valve
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Stainless Steel Handle Butterfly Valve
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