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metal seal butterfly valves
type: wafer type ,flange type,butt weld type, three - eccentric multiple layers type
pressure: PN6, PN10, PN16, PN25, PN40,PN64
Size: 2"- 80" ( DN 50- DN 2000)
operation: leverl,gear, pneu matic, electric
(GB, API, JIS DIN standard)
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