Ashrae Duct Fitting Database Excel -

| Column | Description | |--------|-------------| | Fitting ID | Unique code (e.g., “CD3-9”) matching ASHRAE’s classification | | Fitting Type | Elbow, round tap, rectangular mitered, etc. | | Shape | Round, rectangular, flat oval | | Description | Detailed geometry (e.g., “90° smooth radius elbow, r/D=1.5”) | | Parameters | Variables like radius ratio, aspect ratio, angle, area ratio | | Loss Coefficient (C or Co) | The primary output for pressure drop calculation | | Reference Table/Figure | ASHRAE Handbook source location |

Combine the fitting database with a fan curve and electricity cost ($/kWh). The spreadsheet can calculate: ashrae duct fitting database excel