Smart Simulation & Sizing Tools for Every Piping and Equipment Engineer/Designer

31 March 2021

PSRE Co Announces Release of PASS/HYDROSYSTEM 4.4

PSRE Co is pleased to announce that a new version of PASS/HYDROSYSTEM, comprehensive software for piping hydraulic & thermal analysis, is released.

PASS/HYDROSYSTEM 4.4 contains significant improvements, including the following:

To learn more about PASS/HYDROSYSTEM 4.4, visit Knowledge Base and watch recording of What’s New in PASS/HYDROSYSTEM 4.4 webinar.

We recommend all customers with active Support to download the latest version.

To update your dongle, please send request to