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  • Pneumatic

  • Pneumatic Wafer Hard Seal Butterfly Valve

    Product model: D673H/F
    Valve body material: ductile iron, 304, 316, UPVC
    Valve plate material: 304, 316, 316L, 1.4529
    Seat Material: EPDM, PTFE, Alloy
    Connection mode: pair clamp type, flange type
    Pressure Level: PN10, PN16
    Pneumatic actuator: three-stage pneumatic actuator
    Pneumatic accessories: solenoid valves, limit switches, filters, etc.

    Valve body

    Nominal Path: DN40-DN1000

    Valve body material: ductile iron, WCB, 304, 316

    Connection modes: pair-clamp, flange-type, lug-type pair-clamp

    Pressure levels: PN1.0, 1.6, 2.5, 4.0 MPa

    Structural form: eccentric structure


    Valve components

    Seat Seal: EPDM: -30 ~120 ~NBR:-30 ~80 ~PTFE:-30 ~140 ~VITON:-30 ~150 ~

    Valve Plate Material: Ductile Iron Nickel Plating, Nylon Coating, Aluminum Bronze, 304, 316, 316L, 1.4529, 2507

    Stem material: stainless steel 410, 304

    Applicable media: water, liquid, gas, oil, powder, steam, acid-base corrosive media.


    Design and Manufacture Standards

    Design and Manufacture: GB/T12238-2008

    Connection standard: JB/T 79.1-1994

    Structural Length: GB/T12221-2005

    Pressure test: GB/T13927-2008


    Pneumatic actuator

    Dual function: three-stage pneumatic actuator: 0 -45 -90 (order, please confirm the intermediate value)

    Single function: turn off when gas source failure occurs, turn on when gas source failure occurs; 0 -45 -90 (order please confirm the median value)