![STATIC PRESSURE DATA • MQL](/images/new-backgrounds/90113/9011321x1.webp)
STATIC PRESSURE DATA • MQL
Filter Pressure Drops
AIR PRESSURE DROP THROUGH FILTER SECTION (IN. W.G.)
Filter | Size & |
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Type | Efficiency | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | 650 | 700 | 750 | 800 | |
High | 2" @ 30% | 0.12 | 0.15 | 0.18 | 0.21 | 0.24 | 0.27 | 0.30 | 0.33 | 0.36 | 0.39 | 0.42 | 0.45 | 0.48 | |
4" @ 65% | 0.18 | 0.23 | 0.27 | 0.32 | 0.36 | 0.41 | 0.45 | 0.50 | 0.54 | 0.59 | 0.63 | 0.68 | 0.72 | ||
Efficiency | |||||||||||||||
4" @ 85% | 0.26 | 0.33 | 0.39 | 0.46 | 0.52 | 0.59 | 0.65 | 0.72 | 0.78 | 0.85 | 0.91 | 0.98 | 1.04 | ||
Pleated | |||||||||||||||
| 4" @ 95% | 0.30 | 0.38 | 0.45 | 0.53 | 0.60 | 0.68 | 0.75 | 0.83 | 0.90 | 0.98 | 1.05 | 1.13 | 1.20 |
Notes:
1.Figures listed represent air pressure drop of clean filters.
2.Usable pressure drop across pleated media not recommended to exceed 1.0 inch w.g.
3.Air velocities associated with pressure drops in the shaded region not recommended.
Coil Pressure Drops
AIR PRESSURE DROP THROUGH DRY COIL SECTION (IN. W.G.)
Rows | Fins per Inch |
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200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | 650 | 700 | 750 | 800 | |||
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| 8 | 0.01 | 0.02 | 0.03 | 0.04 | 0.05 | 0.05 | 0.06 | 0.08 | 0.09 | 0.10 | 0.11 | 0.13 | 0.14 | |
1 | 10 | 0.02 | 0.03 | 0.03 | 0.04 | 0.05 | 0.06 | 0.07 | 0.09 | 0.10 | 0.11 | 0.13 | 0.15 | 0.16 | |
12 | 0.02 | 0.03 | 0.04 | 0.05 | 0.06 | 0.07 | 0.09 | 0.10 | 0.11 | 0.13 | 0.15 | 0.16 | 0.18 | ||
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| 14 | 0.02 | 0.03 | 0.04 | 0.05 | 0.07 | 0.08 | 0.10 | 0.11 | 0.13 | 0.14 | 0.16 | 0.18 | 0.20 | |
| 8 | 0.03 | 0.04 | 0.06 | 0.07 | 0.09 | 0.11 | 0.13 | 0.15 | 0.17 | 0.20 | 0.23 | 0.25 | 0.28 | |
2 | 10 | 0.04 | 0.05 | 0.07 | 0.09 | 0.11 | 0.13 | 0.15 | 0.17 | 0.20 | 0.23 | 0.26 | 0.29 | 0.32 | |
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12 | 0.04 | 0.06 | 0.08 | 0.10 | 0.12 | 0.14 | 0.17 | 0.20 | 0.23 | 0.26 | 0.29 | 0.33 | 0.36 | ||
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| 14 | 0.05 | 0.07 | 0.09 | 0.11 | 0.13 | 0.16 | 0.19 | 0.22 | 0.25 | 0.29 | 0.33 | 0.36 | 0.40 | |
| 8 | 0.04 | 0.06 | 0.09 | 0.11 | 0.14 | 0.16 | 0.19 | 0.23 | 0.26 | 0.30 | 0.34 | 0.38 | 0.42 | |
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3 | 10 | 0.05 | 0.08 | 0.10 | 0.13 | 0.16 | 0.19 | 0.22 | 0.26 | 0.30 | 0.34 | 0.39 | 0.44 | 0.48 | |
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12 | 0.06 | 0.09 | 0.12 | 0.15 | 0.18 | 0.22 | 0.26 | 0.30 | 0.34 | 0.39 | 0.44 | 0.49 | 0.55 | ||
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| 14 | 0.07 | 0.10 | 0.13 | 0.16 | 0.20 | 0.24 | 0.29 | 0.33 | 0.38 | 0.43 | 0.49 | 0.55 | 0.61 | |
| 8 | 0.06 | 0.09 | 0.11 | 0.15 | 0.18 | 0.22 | 0.26 | 0.30 | 0.35 | 0.40 | 0.45 | 0.51 | 0.57 | |
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4 | 10 | 0.07 | 0.10 | 0.13 | 0.17 | 0.21 | 0.25 | 0.30 | 0.35 | 0.40 | 0.46 | 0.52 | 0.58 | 0.65 | |
12 | 0.08 | 0.12 | 0.15 | 0.19 | 0.24 | 0.29 | 0.34 | 0.40 | 0.46 | 0.52 | 0.58 | 0.65 | 0.73 | ||
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| 14 | 0.09 | 0.13 | 0.17 | 0.22 | 0.27 | 0.32 | 0.38 | 0.44 | 0.51 | 0.58 | 0.65 | 0.73 | 0.81 | |
| 8 | 0.09 | 0.13 | 0.17 | 0.22 | 0.27 | 0.33 | 0.39 | 0.45 | 0.52 | 0.60 | 0.68 | 0.76 | 0.85 | |
6 | 10 | 0.11 | 0.15 | 0.20 | 0.26 | 0.32 | 0.38 | 0.45 | 0.52 | 0.60 | 0.69 | 0.78 | 0.87 | 0.97 | |
12 | 0.12 | 0.17 | 0.23 | 0.29 | 0.36 | 0.43 | 0.51 | 0.59 | 0.68 | 0.78 | 0.88 | 0.98 | 1.09 | ||
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| 14 | 0.14 | 0.20 | 0.26 | 0.33 | 0.40 | 0.48 | 0.57 | 0.66 | 0.76 | 0.87 | 0.98 | 1.09 | 1.21 | |
| 8 | 0.12 | 0.17 | 0.23 | 0.29 | 0.36 | 0.44 | 0.52 | 0.61 | 0.70 | 0.80 | 0.90 | 1.01 | 1.13 | |
8 | 10 | 0.14 | 0.20 | 0.27 | 0.34 | 0.42 | 0.51 | 0.60 | 0.70 | 0.80 | 0.92 | 1.04 | 1.16 | 1.29 | |
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12 | 0.16 | 0.23 | 0.31 | 0.39 | 0.48 | 0.58 | 0.68 | 0.79 | 0.91 | 1.04 | 1.17 | 1.31 | 1.45 | ||
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| 14 | 0.19 | 0.26 | 0.35 | 0.44 | 0.54 | 0.65 | 0.76 | 0.89 | 1.02 | 1.15 | 1.30 | 1.46 | 1.62 |
Note: Dehumidifying cooling coils with face velocities exceeding 525 fpm not recommended.
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