Ashrae Duct Fitting Database Version. 6.00.05 [best] [ 2026 Update ]

Used as the industry-standard basis for defining component and system pressure drops at rated flows, often required in high-stakes engineering specifications (e.g., nuclear or industrial ventilation). Version 6.00.05 Specifications

: The ASHRAE Duct Fitting Database is frequently integrated into HVAC design software like Autodesk Revit to automate pressure loss calculations across entire duct systems. Duct Fitting Database - ASHRAE ashrae duct fitting database version. 6.00.05

Pictorial outlines for each fitting to ensure accurate selection during the design process. Used as the industry-standard basis for defining component

The database assumes clean, straight, fully developed flow at the inlet. Add 10–20% margin for field-installed ductwork with burrs, misalignments, or protruding gaskets. or protruding gaskets.