This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Duct Fitting Database - ASHRAE
The software displays the velocity pressure, the calculated loss coefficient ( Cocap C sub o ), and the resulting total pressure drop. The Impact of Turning Vanes
Minimizing installation costs, fan energy consumption, and system-generated noise.
Contains the master catalog of 2,100+ fittings, each with a unique 5-digit ID (e.g., T020 for a diverging 45-degree wye). ashrae duct fitting database version 60005
Supports supply, exhaust, and common (supply/return) duct functions in both I-P and SI units . Critical Updates in Version 6.00.05
If you want to dive deeper into configuring specific system layouts, let me know. I can help you by exploring:
If you are interested in learning more about the specific, in-depth calculations behind these fittings, I can: Explain how the velocity pressure equation ( This public link is valid for 7 days
Where (P_v) is the velocity pressure. Version 60005 is the latest iteration of this database, released to support ASHRAE’s Fundamentals Handbook and HVAC Duct Construction Standards .
Why ASHRAE’s Duct Fitting Database v60005 is a Quiet Game-Changer for HVAC Design
The technical architecture, key version enhancements, mathematical foundation, and industrial deployment of the ASHRAE DFDB Version 6.00.05 are detailed below. Core Mechanics of the ASHRAE Fitting Database Can’t copy the link right now
Users always have access to the latest, vetted, and corrected data without needing to download patches.
ASHRAE releases minor iterations (e.g., 60006, 60007) approximately every 18 months to correct errata. Watching ASHRAE's Research Project RP-1802 —which focuses on non-standard duct geometries (oval and flat-oval)—the next major version will likely integrate a for custom fittings.
The is the industry-standard software tool for engineers to calculate pressure losses in HVAC duct systems. It provides access to loss coefficient tables for over 200–250 fittings, including round, rectangular, and flat oval types. Key Features & Capabilities
Instead of relying on outdated slide rules or generic "safety factors," engineers use the DFDB to calculate the using the velocity pressure equation:
To accommodate global engineering teams, Version 6.00.05 features full support for both International System of Units (SI) and Inch-Pound (I-P) units. Users can toggle between systems instantly without restarting the application. 3. Interactive Coefficient Calculations