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Valve butterfly plate capable of exchanging
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Check valve allowing external adjustment of closing positions of valve plate
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Water seal butterfly valve
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Friction-free butterfly valve
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Butterfly valve
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Butterfly valve with central line lined with glue and extending compensation function
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Anti-scouring butterfly valve
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Center line-type butterfly valve with blow-off prevention device
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Anti-theft gate valve with specially-used opening device
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Center line-type butterfly valve with automatic compensation shaft-end seal
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