Download Your Pipe Flow Modeling Software

These software programs are copy-protected. Only customers with a valid license will be able to run the software. By installing AFT software, you accept the terms of the Applied Flow Technology Software License Agreement. For USB key assistance please see the USB Key Support page. 

AFT recommends using the newest release of each version. To check which version and release are currently being used, Open the application, Click Help, and Click About AFT Application. 
*No need to register an account at this time*

AFT Fathom™

  • Calculate pressure drop and flow distribution in liquid and low-velocity gas
Steady State Flow Modeling

AFT Impulse™

  • Analyze your system for transients caused by waterhammer / surge
Waterhammer & Surge


  • Up to 700 fluids and 600 gases with mixing capability
Chemical Property Database

AFT Arrow™

  • Calculate pressure drop and flow distribution in gas and steam systems
Compressed Gas Steady State Flow Modeling

AFT xStream™

  • Simulate how your systems will respond to potentially disruptive transient events
High-Speed Acoustic Gas & Steam Transients

Nuclear Validation

  • Enable the use of AFT software in safety-related applications in the nuclear industry.
Verification and Validation Packages

Additional Resources

Previous Versions

Do you need an older version?
Check here.

Free Viewers

Share your models with clients who do not
have a license. (Limited Capability)

System Requirements

What you need to successfully install
and run your AFT software.

New to the Software?


Expert Support.

AFT's support engineers are highly trained and knowledgeable in all AFT products. They help troubleshoot models for customers with a variety of industries all over the world.
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