Download of VENT-O-MAT CATT 4.1 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The actual developer of the free software is VENT-O-MAT.
The following versions: 4.1, 4.0 and 3.0 are the most frequently downloaded ones by the program users. The software relates to Multimedia Tools. The most frequent installation filename for the program is: Vent-O-Mat CATT.exe. This PC program works fine with 32-bit versions of Windows XP/Vista/7/8/10/11.
From the developer:
CATT (Controlled Air Transfer Technology) Air Valve Sizing Program The CATT Sizing Program allows engineers to size and position air valves for any pipeline material and/or diameter, and for both pumping and gravity mains. Pipeline profiles can be imported from spreadsheets and the results of studies can be exported to other programs.
You may want to check out more software, such as CATT-Acoustic Demo, CATT-Acoustic or ReflPhinder, which might be similar to VENT-O-MAT CATT.