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Flange butterfly valve
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LTD371X turbine switch lug butterfly valve worm gear ductile iron QT450 elastic seat seal soft seal support lug butterfly valve -
Internal lining manual and pneumatic dual-purpose lug butterfly valve -
Steel lined PTFE proportional adjustment pneumatic lug butterfly valve -
American standard Class150 flange metal triple eccentric hard seal butterfly valve -
JIS 20K Japanese standard triple eccentric clamp butterfly valve - metal hard seal -
Extended stem double flange hard seal butterfly valve - triple eccentric -
Upward buried flange hard seal butterfly valve - triple eccentric -
Low temperature cryogenic treatment flange butterfly valve - triple eccentric/hard seal -
Large caliber hydraulic double eccentric double flange butterfly valve -
German standard DIN metal hard seal flange butterfly valve
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