(Darcy-Weisbach/Colebrook) Tube Diameter (in): 1 1 1/22 2 1/2 3 4 6 Tube Length (ft): Flow Rate (gpm): Tube Roughness (in): Stainless Steel Tube (0.000005 in) Product Density (lb/gal): Vertical Rise (ft): Number of Elbows: Additional Loss (psi): Calculate Loss