QWYZ43X Bi Directional Flange

Bi Directional Flange series knife gate valve. Pressure: DN300-DN500 20bar.

QBZ73X Knife Gate Valve Main View

Qwyz43X Bi Directional Flange

The QBZ73X is a robust, unidirectional knife gate valve designed for reliable performance in slurry, pulp, and wastewater systems. Featuring a sharp gate that cuts through heavy media, it provides efficient shutoff in demanding conditions where conventional valves fail.

  • Pressure: DN300-DN500 20bar
  • Design: MSS SP-81
  • Flange: DIN PN10, PN16, 150LB, JIS10K, TABLE E/D
  • Temperature: N/A
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    Material Specifications

    Component Material Options
    Body WCB (Carbon Steel), CF8 (304), CF8M (316), GGG40 (Ductile Iron)
    Wedge / Gate SS304, SS316
    Seat / Seal PTFE, EPDM, NBR, FKM (Viton)
    Stem SS410
    Packing Aramid Fiber, Rubber

    Product Structure

    Key Components

    01Hydraulic Actuator09Bonnet
    02Packing Gland10Chuck
    03Inspect Window11Packing
    04Indicator Pole12Seat Holder
    05Disc13Body Protector Cover
    06Seat14Sealing Ring
    07Packing15Body
    08Packing Gland
    QBZ73X Exploded Structure

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