Select "Water" or "Standard Fluid" from the fluid library.
Input length (200 ft) and elevation change (if any). For horizontal runs, elevation is zero.
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Enter the temperature (45°F). The calculator auto-fills density (62.4 lb/ft³) and viscosity (1.3 cP – slightly higher than room temp). Select "Water" or "Standard Fluid" from the fluid library
Enter flow rate (100 GPM).
Choose pipe material – "Carbon Steel" – and select "2 in Schedule 40". The calculator automatically pulls the inner diameter (2.067 inches) and roughness (0.0018 ft or 0.045 mm). In the complex world of industrial engineering, HVAC,
Add fittings. Click "Elbow 90° LR" x 4, "Gate valve (full open)" x 1. The calculator sums the K-factors or uses the equivalent length method.