Sizing Tool

Renowned by experts in the industry as the most useful tool available to the general public for sizing and selection. Tuthill Vacuum & Blower Systems offers this free tool for download here for Windows OS and MACs with Windows emulator.


VBXpert is used by the Kansas State Bulk Solids Innovation Center.  Students use the software for blower sizing when designing pneumatic conveying systems.

System Requirements:

Operating System -  Windows® XP (with ASP.NET 4 installed), Win7, Win8
Ram - 4mb
Storage - 20mb
Video - 1024/768 16bit or better color recommended
User must have administrator privileges
Initial data download requires internet access
After installation, VBXpert must be able to connect to the internet to register, and receive information  
VBXpert must be on the list of allowed programs in your firewall in order to function

Download VBXpert


Microsoft .NET Framework Requirement:

Our sizing tool takes advantage of features that are in the current Microsoft .NET Framework.  You can check to see if your installation of the Microsoft .NET Framework is current with Windows Update. Click here to download Microsoft .NET Framework.