Online Pump Temperature Rise calculator. Pump Temperature Rise Formulas: Imperial Units: ΔT = (H * (1 – η ) )/(778 * U* η). where: ΔT = temperature rise, °F. H = total head, ft. η = pump efficiency, decimal. U = fluid specific heat, BTU/(lbm-°F). SI Units: ΔT = (H * (1 – η ) )/(102 * U* η). where:…
Online Pump Torque calculator. Pump Torque Formulas: Imperial Units: τ = (5250 * P) / N. where: τ = torque, ft-lbf. P = pump power, hp. N = pump speed, rpm. SI Units: τ = (9450 * P) / N. where: τ = torque, N-m. P = pump power, kW. N = pump speed, rpm
Online Pump Power calculator. Pump Power Formulas: Imperial Units: P = (Q * H * SG) / (3960 * η) where: P = power, horse power. H = head, ft. Q = flow, gpm. SG = specific gravity. η= pump efficiency, decimal. SI Units: P = (Q * H * SG) / (367 * η) where: P…
Online Pump Head calculator. Pump Head Formulas: Imperial Units: H = (2.31 ( Pd – Ps) / SG) + (Vd2 – Vs2) / 2g + (Zd – Zs) – Hf where: H = pump head, ft. Hf = friction loss, ft. PS = suction pressure, psia. Pd = discharge pressure, psia. SG = specific gravity.…
Online Net Positive Suction Head Calculator. Net Positive Suction Head Formulas: Net Positive Suction Head Formulas In terms of head. Imperial Units: NPSH= Ha – Hvpa + Hst – Hfs. where: NPSH = net positive suction head at reference point (usually center line of the impeller), ft. Ha = absolute pressure of the suction vessel, ft. Hvpa…
Online Mass Flow to Volumetric Flow calculator. Mass Flow to Volumetric Flow Formulas: Imperial Units: Q = ṁ / (500 * SG)= ṁ / (8.02 * ρ). where: Q = flow, gpm. ṁ= mass flow, lbm/h. ρ= Fluid Density, lbm/ft3. SI Units: Q = ṁ / ρ. where: Q = flow, gpm. ṁ= mass flow, lbm/h. ρ= Fluid Density, lbm/ft3.