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.
| 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 |
| 01 | Hand Wheel | 08 | Valve Body |
| 02 | Stem Cover / Yoke Extension | 09 | Stem |
| 03 | Fastening Bolts | 10 | Packing Gland / Spring Retainer |
| 04 | Stem Housing / Bonnet | 11 | Spring |
| 05 | Packing Gland Assembly | 12 | Stem Nut / Connection |
| 06 | Gasket / Seal | 13 | Gate / Disc |
| 07 | Body Flange & Bolts | 14 | Seat Seal / Gasket |
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