A more comprehensive mobile version covers all 240+ fittings listed in the ASHRAE Handbook of Fundamentals and allows for project saving and report emailing.
The primary tool is now a web-based platform. Users purchase a one-year subscription to access loss coefficient tables for over 200 round, rectangular, and flat oval fittings. You can manage this through the ASHRAE Bookstore . Download ASHRAE Duct Fitting Database rar
For quick field calculations, ASHRAE offers a free "Lite" version available on the Apple App Store . It includes a subset of common fittings for on-the-go use. A more comprehensive mobile version covers all 240+
Rather than downloading a potentially unsafe compressed file (like a .rar), ASHRAE provides several official, secure methods to access this data: You can manage this through the ASHRAE Bookstore
Searching for a ".rar" version of this database often leads to unofficial file-sharing sites. Be aware of the following: Duct Fitting Database - ASHRAE