Version 60005 | Ashrae Duct Fitting Database

At its heart, the DFD is a library of aerodynamic resistance. Every piece of ductwork—be it a smooth-radius elbow, a fire damper, or a supply air diffuser—creates friction and turbulence. This resistance is quantified by the .

Users can save fittings into project files that are easily stored, navigated, and transferred between workstations. ashrae duct fitting database version 60005

, which is essential for proper fan sizing. Engineers typically: HVAC Simplified Identify the critical path (the longest or most complex duct route). At its heart, the DFD is a library of aerodynamic resistance

After installation, don't forget to reset your default “Roughness” parameters. Version 60005 resets to standard galvanized steel (0.0003 ft), but your local jurisdiction may require different defaults. Users can save fittings into project files that

is a specialized digital tool used by HVAC design engineers to calculate pressure losses through various duct fittings.