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

: This comprehensive guide covers duct layout, fitting selection, and calculation methods (Equal Friction, Static Regain, etc.). It explicitly details how to use the Duct Fitting Database (DFDB) for accurate system design.

The ASHRAE Duct Fitting Database version 6.00.05 is a powerful tool for HVAC engineers and designers. With its extensive library of duct fittings, improved pressure drop calculations, and enhanced user interface, the database provides everything engineers need to design efficient and effective duct systems. By using the database, engineers can improve accuracy, increase efficiency, and enhance system performance, while also ensuring compliance with codes and standards. Whether you're designing a new HVAC system or optimizing an existing one, the ASHRAE Duct Fitting Database is an essential resource that can help you achieve your goals.

: Includes loss coefficient tables for round, rectangular, and flat oval fittings. ashrae duct fitting database version. 6.00.05

★★★★½ (4.5/5) Reviewer Role: Mechanical Engineer / HVAC Designer

The ASHRAE Duct Fitting Database (DFDB) Version 6.00.05 is a cloud-based application designed to calculate pressure losses across over 200–250 fitting types, providing essential data for HVAC system design. The tool supports I-P and SI units, enables project-specific file management, and includes a visual interface for selecting round, rectangular, and flat oval fittings. For more details, visit ASHRAE . Duct Fitting Database - ASHRAE : This comprehensive guide covers duct layout, fitting

Using the wrong database version can result in pressure drops being off by 200-300%, leading to oversized fans, wasted energy, and high utility bills. If you are using a version earlier than 6.00.xx, you are working with pre-2021 data.

: Rectangular supply duct mitered elbow with turning vanes. CD-T4 : Round common return/exhaust duct tee. Engineering Benefits of Version 6.00.05 With its extensive library of duct fittings, improved

The DFDB serves as a digital compendium of loss coefficient data ( Cocap C sub o ) for both supply and exhaust duct systems. Accurate Pressure Drop Calculation

The latest version of the ASHRAE Duct Fitting Database, version 6.00.05, offers several significant enhancements over its predecessors. Some of the key features include:

Tailored coefficients based on airflow direction.

What is the primary (commercial supply, industrial exhaust, etc.)?