Ashrae Duct Fitting Database Version. 6.00.05 [new] Jun 2026

: The Version 6 interface allows for real-time updates—meaning calculations refresh instantly as you adjust input fields. Access and Availability ASHRAE Duct Fitting Database v6.00.05 is available as a single-user cloud-based subscription For professionals on the move, ASHRAE also offers the DFDB Lite app Apple App Store

Features a user-friendly interface to build custom duct paths.

In any fluid flow system, moving air experiences resistance when it changes direction, converges, diverges, or alters velocity. Engineers quantify this resistance using a dimensionless loss coefficient ( Cocap C sub o ashrae duct fitting database version. 6.00.05

Specialized data for different flow directions.

The 6.00.05 update specifically focused on expanding fitting options and fixing critical calculation errors from earlier 6.0x builds: New Fittings Added: : The Version 6 interface allows for real-time

Accurate External Static Pressure (ESP) calculation is vital for proper fan sizing and system efficiency. Using the official ASHRAE Duct Fitting Database

The true power of the database emerges when it is linked to your existing tools. Version 6

Version 6.00.05 is not a radical overhaul from version 5.xx, but a refined, maintenance-focused release that corrects errata and improves compatibility with modern operating systems. Here are its standout features:

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:

Enhanced stability when running alongside modern CAD and BIM software. 3. Flexible Unit Systems

Version 6.00.05 also provides an uncertainty band (±5% for most radiused elbows), which earlier versions did not disclose.