Ashrae Duct Fitting Database Version. 6.00.05 =link= Jun 2026

= Dimensionless local loss coefficient (retrieved from the ASHRAE database). Vpcap V sub p = Velocity pressure of the air, calculated as: I-P Units: is velocity in feet per minute). SI Units: is air density and is velocity in meters per second). The loss coefficient ( Cocap C sub o

Last updated: September 2025 – verified against ASHRAE’s official release notes. ashrae duct fitting database version. 6.00.05

The software displays the calculated local loss coefficient ( ). It also provides the specific air density ( ), velocity ( ), and individual fitting pressure drop ( Why Version 6.00.05 Matters for Compliance = Dimensionless local loss coefficient (retrieved from the

The ASHRAE Duct Fitting Database is continuously updated and improved to reflect the latest research and testing data. Future versions are expected to include even more features and enhancements, such as: The loss coefficient ( Cocap C sub o

Understanding the ASHRAE Duct Fitting Database (DFDB) Version 6.00.05

| Aspect | Details | |------|------| | | Windows XP / Vista / 7 / 8 / 10 / 11 (32‑bit version) | | RAM | Minimal; typical office specifications suffice | | Disk Space | Approximately 30 MB for installation and data files | | PDF Viewer | Adobe Acrobat Reader 8.0 or higher (for accessing loss coefficient PDFs) | | License Type | Single‑user, one‑year subscription, cloud‑based access | | Multi‑User Option | Not available for Version 6.00.05 |