Through plugins like Stabicad or Fabrication CADmep , you can map the DFDB version 6.00.05 coefficients directly to your ductwork model. The API typically requires you to point to the .mdb file path. Revit’s "Mechanical Settings" → "Duct Fitting Pressure Drop" can reference the database if an appropriate dynamo script or add-in is used.
A 30-day trial version is offered, but ASHRAE allows single-user installation on up to two machines (e.g., office and home laptop) per license. ashrae duct fitting database version. 6.00.05
New entries for straight round ducts (constant equal friction and velocity limited) and flexible elbows with specific radius ratios (r/D=1.0 and 1.5). Enhanced Input Ranges: Through plugins like Stabicad or Fabrication CADmep ,