Downloading PumpBase 3.0.1.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is Tahoe Design Software.
PumpBase can be installed on Windows XP/Vista/7/8 environment, 32-bit version. Pumpbase.exe is the frequent file name to indicate the PumpBase installer. We recommend checking the downloaded files with any free antivirus. The following versions: 3.0 and 2.0 are the most frequently downloaded ones by the program users. The program belongs to Education Tools.
From the developer:
PumpBase - Advanced Pump Selection and Pump Catalog Building Software. New version 3 adds many new features and raises the pump selection process to a completely new level.
You may want to check out more software, such as Avantage BPM Foundation, Adding Machine or gitoolbox, which might be similar to PumpBase.