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  • Duplex Wafer Butterfly Valve

    Duplex Wafer Butterfly Valve Standards Items ANSI Class 150 ANSI Class 300 ANSI Class 600 Rating(PSI) 285 740 1440 Rating(BAR) 20 50 100 Size(Inch) 2″ to 60″ 2″ to 48″ 2″ to 24″ Size(mm) 50mm to 1500mm 50mm to 1200mm 50mm to 600mm Testing API 598 Face to face spec. ANSI B16.10, API 609, MSS-SP-68, […]