Hot Water Heating Systems - Pressure Loss in Steel Pipes

Pressure loss calculator for hot water steel pipes. Estimates pressure loss based on pipe diameter, heat flow, and flow velocity for hot water heating systems with a 20°C temperature difference.

Hot Water Heating Systems - Pressure Loss in Steel Pipes

This calculator estimates pressure loss in hot water steel piping systems based on the standard nomogram for pipes with a 20°C temperature difference.

How to Use:

  1. Enter the pipe diameter (in inches)
  2. Enter the heat flow (in kW)
  3. The calculator will estimate the water flow, flow velocity, and pressure loss

Conversion References:

  • 1 Pa = 10⁻⁵ bar = 1.02×10⁻⁴ m H₂O
  • 1 liter/s = 3.6 m³/h = 15.852 gal (US)/min
  • 1 m/s = 3.6 km/h = 2.237 mph
Calculator

Inputs

Results

Water Flow-- liter/s
Flow Velocity-- m/s
Pressure Loss-- Pa/m