Apps similar to PIPE-FLO include pfcalc, which is free and open source. Other options are EPANET, Piping Toolset, Fluid Network Studio and SimuPipe. In total there are five 3D Modelers like PIPE-FLO for the web, Windows, Linux, Mac and Android.
pfcalc stands for pipe friction calculator and is a CLI program that computes pressure drop in piping systems using the Darcy-Weisbach equation. The program is capable of computing minor and major pressure losses for flow in pipes and ducts.
Developed by EPA's Water Supply and Water Resources Division, EPANET is software that models water distribution piping systems. It is a Windows 95/98/NT/XP program that performs extended-period simulation of the hydraulic and water quality behavior within pressurized pipe...
49 free browser-based ASME piping calculators (B31.3, B31.1, BPE, B31G) where every published worked example is a CI-gated test fixture - if the app and the example disagree, the build fails. Paid tiers add relief sizing, flange/nozzle/hanger design, iso drawing, and FEA.
United States
A web-based tool for pipe network analysis, providing liquid, gas, and heat transfer solves, steady-state and transient modes, verified models, import/export of EPANET files, open methods, calculators, and free tier for water up to 100 elements.
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