Generates professional HTML reports including company info and detailed fitting performance data. ⚠️ Technical Troubleshooting (v6.00.05)
Updates results instantly as input dimensions or flow rates change.
Fittings are cataloged using a strict alphanumeric system. The prefix identifies the shape and role of the system component: ashrae duct fitting database version 60005
: Users can save selected fittings into a project file, which is small enough to be easily transferred or emailed. Unit Flexibility : Supports both I-P (Inch-Pound) SI (International System) 🛠️ Updates in Version 6.00.05
This article provides a deep dive into the ASHRAE Duct Fitting Database, specifically highlighting the functionality and importance of , its features, and its role in modern HVAC engineering. What is the ASHRAE Duct Fitting Database (DFDB)? The prefix identifies the shape and role of
The ASHRAE Duct Fitting Database (DFDB) Version 6.00.05 represents the current gold standard for HVAC engineers and designers seeking to calculate pressure loss in ductwork systems with precision. As building efficiency standards become more stringent, the ability to accurately model airflow and energy consumption is no longer optional—it is a fundamental requirement of modern mechanical engineering. Understanding the Science of Pressure Loss
: Accurate loss data prevents over-sizing fans (which wastes energy and money) or under-sizing fans (which leads to poor airflow). The ASHRAE Duct Fitting Database (DFDB) Version 6
Stay tuned for our follow-up post: “How to Convert DFDB 60005 Data into Excel Pressure Drop Matrices.”
The represents the gold standard for HVAC pressure loss calculations. By transitioning to a cloud-based subscription model, ASHRAE has made this critical resource more accessible and maintainable than ever before. Whether you're a consulting engineer performing detailed system design or a technician in the field needing a quick pressure drop estimate, the DFDB provides the accurate, authoritative data you need to ensure your HVAC systems are efficient, compliant, and reliable.
The is a comprehensive tool used by HVAC design engineers to accurately calculate pressure losses across various duct configurations. This specialized update provides an expanded suite of loss coefficient tables for more than 200 round, rectangular, and flat oval duct fittings . By determining the exact External Static Pressure (ESP) of supply, exhaust, and return air systems, the database prevents the over-sizing or under-sizing of vital mechanical plant equipment.