Actual function names depend on your DLL version – consult the DFDB documentation.
| Feature | Description | | :--- | :--- | | | Over 200 round, rectangular, and flat oval fittings with pictorial outlines | | Unit Flexibility | Built-in conversion between I-P and SI units | | Project Management | Save fittings into project files (.dfdb) for easy storage and transfer | | Search Capability | Type partial or full fitting code names to quickly retrieve specific fittings | | Reporting | Generate and email reports with spreadsheet attachments for further analysis | | Custom Parameters | Change minimum and maximum allowable values for all input parameters | | Data Export | Generate CSV or XML outputs for Excel, Revit, or other analysis tools | | Mobile Access | Free DFDB Lite app for iOS devices for field calculations |
Are you designing a specific system right now? I can help you write a to automate these calculations, provide standard formula templates for your lookups, or break down the exact equations for a specific fitting code. Let me know how you would like to proceed. Share public link
: Understanding the specific fitting codes (e.g., "CR3-1") and their geometry requirements is necessary for accurate results. or a guide on how to set up an ESP calculation spreadsheet Duct Fitting Database - ASHRAE ashrae duct fitting database excel link
Eliminate manual data entry by pulling fitting coefficients instantly.
Do you prefer a (like XLOOKUP), or are you comfortable using VBA macros and Power Query ?
For engineers looking to streamline their workflow, combining the DFDB with Excel-based analysis tools provides a powerful, flexible solution that leverages authoritative data within a familiar spreadsheet environment. By mastering the DFDB and its integration capabilities, HVAC professionals can ensure their designs meet performance requirements while minimizing energy waste and installation costs. Actual function names depend on your DLL version
Diameter for round or Width/Height for rectangular. Velocity (v): Air velocity in FPM or m/s.
By utilizing the ASHRAE duct fitting database Excel link and following the guidelines and best practices outlined in this article, you can ensure that your HVAC system designs are optimized for performance, efficiency, and sustainability.
ΔP=Co×Pvcap delta cap P equals cap C sub o cross cap P sub v Cocap C sub o Let me know how you would like to proceed
Some versions of the DFDB mobile app and desktop software allow you to share or export reports as spreadsheets for further analysis. Key Formulas Used in Database Excel Sheets
or spreadsheet attachments, which are essential for including technical justifications in project documentation. Potential Drawbacks Subscription Model : Access to the full database typically requires an annual subscription for cloud-based use. Licensing Limits
Multiply your looked-up coefficient by the calculated velocity pressure: = Fitting_Coefficient * Velocity_Pressure
