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Forged Flange and Forged Fittings Carbon Steel Pipe Fittings Industrial Valve seamless steel pipe Grooved Fitting

    Wafer Type Butterfly Valve

    Wafer Type Butterfly Valve

     DESCRIPTION:


     Hebei Metals supplies Wafer Type Butterfly Valves.

     The wafer type butterfly valve is designed to maintain a seal against

     bi-directional pressure differential to prevent backflow in piping system 

     designed for unidirectional flow. It accomplishes this with a tightly

     fitting seal, i.e. gaket, and O-ring.

     

     

     

     

     

     

     

     

    Full Specification for Butterfly Valves:

    1. Brief Definition:

        Butterfly valves are rotary valves in which a disc-shaped closure member is rotated through 90°, or   

        approximately, to open or close the flow passage.

    2. Material Specification:

        Body: WCB/WC9, Cast Iron, Ductile Iron, CF8/CF3/CF8M/CF3M, Aluminium Bronze

        Disc: Ductile Iron, Aluminium Bronze, CF8/CF8M

        Seat: NR, BUNA, EPDM, PTFE, NBR, Viton, SI, IIR, Metal Seated

        Shaft: Aluminium Bronze, SS410, SS304, SS316, Carbon Steel

    3. Standards:

        API609, ANSI B16.1, ASME B16.9

    4. Size Range:

        2" ~ 64" (DN50 ~ DN1600)

     

    Views: 6337  Author:METALS INDUSTRIAL  Date:2006/09/25