Knife Edge Gate Valve
Uni-Tech make Knife Edge Gate Valves are advantageous in sledge and slurry applications because their blades cut right through thick liquids easily. They are generally specified in larger sizes for handling thick flows of heavy Oils, Light Grease, Slurry, Paper & Pulp, Varnish and Wastewater to name but a few Knife Gate Valve applications.
Technical Specification
| Design Standard | MSS - SP - 81 |
|---|---|
| Face to Face Standard | ---- |
| End Connections | ---- |
| Testing Standard | MSS - SP - 81 |
Valve Inspections Testing
| Test | Class 150# |
|---|---|
| Body (Hyd.) | 425 PSIG |
| Seat (Hyd.) | 40 PSIG |
| Temperature | 220°F |
| Working Pressure | 150 PSIG (21 Kg/cm²) |
Note: 2" to 14" Lugged type 16" to above flange end 150#
Technical Specification
All Dimensions are in mm Unless Specified
| Inch | MM | A | ∅D | ∅C | ∅M | N | PCD | ∅W | H Open | H Close |
|---|---|---|---|---|---|---|---|---|---|---|
| 2" | 50 | 47.6 | 152. | 92 | 16 | 4 | 120 | 203 | 406.4 | 346 |
| 3" | 80 | 50.8 | 184 | 152 | 16 | 4 | 190.5 | 203 | 501 | 406.4 |
| 4" | 100 | 50.8 | 228.6 | 156 | 16 | 8 | 190.5 | 203 | 549 | 450 |
| 6" | 150 | 57.15 | 279 | 216 | 19 | 8 | 241.3 | 305 | 705 | 549 |
| 8" | 200 | 69.85 | 346 | 270 | 19 | 8 | 298.5 | 305 | 8825 | 680 |
| 10" | 250 | 69.85 | 406 | 324 | 22 | 12 | 362 | 381 | 1085 | 816 |
| 12" | 300 | 76.20 | 482 | 381 | 22 | 12 | 432 | 381 | 1235 | 924 |
| 14" | 350 | 76.20 | 533 | 413 | 25 | 12 | 476 | 381 | 1403 | 1066.8 |
| 16" | 400 | 82.50 | 597 | 470 | 25 | 16 | 540 | 508 | 1603 | 1187 |
| 18" | 457 | 82.50 | 635 | 533 | 28.5 | 16 | 578 | 508 | 1790 | 1330 |
| 20" | 508 | 108 | 198.5 | 584 | 28.5 | 20 | 635 | 508 | 2457 | 1936 |
| 24" | 610 | 108 | 813 | 693 | 31.75 | 20 | 750 | 508 | 2949 | 2317 |