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Wedge Wire Screen Open Area
2015-04-07 By zhaozhao
The percent open area of the Wedge Wire Screen can be an important parameter when predicting flow capacity. The following equation can be used to calculate the percent of open area.
Open Area = ( Slot Opening / (Wire Width + Slot Opening)) × 100
| Wire Width | Slot Opening | ||||
|---|---|---|---|---|---|
| .010" | .020" | .030" | .040" | .060" | |
| .045" | 18% | 30% | 40% | 47% | 57% |
| .063" | 13% | 24% | 32% | 38% | 48% |
| .069" | 12% | 22% | 30% | 36% | 46% |
| .093" | 10% | 18% | 24% | 30% | 39% |
| .120" | 7% | 14% | 20% | 25% | 33% |
Welded Wedge Wire Screen Data Profile and Open Areas:
| Aperture | 22SB | 28SB | 34SB | 42SB | 34SB | 1/8 grizzly |
|---|---|---|---|---|---|---|
| 0.25mm | 14.29% | 10.20% | 8.20% | 7.31% | ||
| 0.3mm | 16.67% | 12.00% | 9.68% | |||
| 0.35mm | 18.92% | 13.73% | 11.11% | 9.33% | ||
| 0.4mm | 21.05% | 15.38% | 12.50% | 10.53% | 15.38% | 11.20% |
| 0.5mm | 25.00% | 18.52% | 15.15% | 12.82% | 18.52% | 13.62% |
| 0.75mm | 33.33% | 25.42% | 21.13% | 18.07% | 25.42% | |
| 1mm | 40.00% | 31.25% | 26.32% | 22.73% | 31.25% | |
| 1.25mm | 36.23% | 30.86% | 26.88% | 36.23% | ||
| 1.5mm | 40.54% | 34.88% | 30.61% | 40.54% | ||
| 2mm | 47.62% | 41.67% | 37.04% | 47.62% | ||
| 2.5mm | 53.19% | 47.17% | 42.37% | 53.19% | ||
| 3mm | 57.69% | 51.72% | 46.88% | 57.69% | ||
| 4mm | 64.52% | 58.82% | 54.05% | 64.52% | ||
| 5mm | 69.44% | 64.10% | 59.52% | 69.44% | ||
| 6mm | 68.18% | 63.83% | 73.17% | |||
| 7mm | 71.43% | 67.31% | 76.09% | |||
| 8mm | 74.07% | 70.18% | 78.43% | |||
| 9mm | 76.27% | 72.58% | 80.36% | |||
| 10mm | 78.13% | 74.63% | 81.97% | |||
| 11mm | 79.71% | 76.39% | 83.33% | |||
| 12mm | 81.08% | 77.92% | 84.51% | |||
| 12.7mm | 81.94% | 78.88% | 85.23% |
