Large-Bore Wafer Knife Gate Valve (Stainless Steel Thin Valve, L 55-95mm)
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Model: DZFP-Z
- Nominal Diameter: DN80-DN500
- Pressure Rating: PN1.0-PN2.5 MPa
- Flange End: GB/T 9124, ANSI B16.5
- Suitable Media: Water, Steam, Oil, Slurry, Corrosive & Food-Grade Media, etc.
- Operating Temperature: -40 to 120℃
- Method of Operation: Manual, Electric, Pneumatic, Hydraulic
- Inspection & Testing: GB/T 13927, API 598
- Surface Treatment: Pickling, Passivation, Polishing (or as per customer request)
Materials
| Body | 304, 304L, 316, 316L |
| Gate | 304, 304L, 316, 316L |
| Seat | PU/NBR |
| Nut | H62 |
| Stem | 304, 304L |
| Packing | NBR/EPDM |
Applications
For pipelines with large flow, high pressure, corrosive media, or limited installation space, DZFP-Z thin wafer knife gate valves are a practical option. They can be used in petrochemical, coal processing, energy, municipal water, environmental, metallurgy, paper, marine, shipbuilding, food, pharmaceutical, new energy, and new materials industries. Valve type and material are chosen based on the fluid, pressure, flow, and installation requirements.
Valve Parts
| No. | Component | Quantity |
| 1 | Bearing Housing | 1 |
| 2 | Stem | 1 |
| 3 | Gate | 1 |
| 4 | Right Support Plate Assembly | 1 |
| 5 | Left Support Plate Assembly | 1 |
| 6 | Locking Pin | 1 |
| 7 | Packing Gland | 1 |
| 8 | Gate Seal Block | 1 |
| 9 | Left Body | 1 |
| 10 | Integral Bushing | 1 |
| 11 | Right Body | 1 |
Dimensions
PN1.6MPa
| Size | L | D | D1 | D0 | N-M | N-Ø | H1 (Manual Operated) | H2 (Electric Operated) | |
| DN | NPS | mm | mm | mm | mm | mm | mm | mm | mm |
| 80 | 3" | 55 | 200 | 160 | 240 | 2-M16 | 6-18 | 380 | 660 |
| 100 | 4" | 55 | 220 | 180 | 240 | 28-M16 | 6-18 | 460 | 740 |
| 150 | 6" | 60 | 285 | 240 | 300 | 2-M20 | 6-22 | 550 | 830 |
| 200 | 8" | 70 | 340 | 295 | 300 | 4-M20 | 8-22 | 650 | 920 |
| 250 | 10" | 70 | 405 | 355 | 400 | 4-M24 | 8-26 | 730 | 1010 |
| 300 | 12" | 76 | 460 | 410 | 400 | 4-M24 | 8-26 | 830 | 1158 |
| 350 | 14" | 76 | 520 | 470 | 550 | 6-M24 | 10-26 | 910 | 1238 |
| 400 | 16" | 95 | 580 | 525 | 550 | 6-M27 | 10-30 | 1020 | 1348 |
Notes
- The valve specifications shown in the tables above are for reference only.
- Product specifications and technical data may change due to product improvements or updates, please contact us for the latest information.
- Valves can be customized according to customer requirements.