Fan Curves: centrifugal_roof_exhauster_18in_1140rpm
Representative fan performance curves for common HVAC fan types — static pressure (in. wg), BHP, total efficiency (%), and sound power level (dB) at multiple airflow (CFM) operating points
| fan family | flow cfm | bhp (hp) | notes | sound power dB (dB) | static pressure inwg (inWG) | total efficiency pct (%) |
|---|---|---|---|---|---|---|
| centrifugal_roof_exhauster_18in_1140rpm | 500 | 0.44 | Rising pressure curve characteristic of BI wheel | 81 | 0.74 | 40 |
| centrifugal_roof_exhauster_18in_1140rpm | 1,000 | 0.58 | Mid-range; efficiency rising | 83 | 0.65 | 48 |
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