Water Flow in a Hose - Pressure Loss

Pressure loss due to friction

Water flow through hoses and pressure loss due to friction are indicated in the diagram below.

water flow hose - pressure drop diagram

Nominal diameters are used in the chart.

  • 1 psi = 6.9 kPa = 0.069 bar
  • 1 ft (foot) = 0.3048 m
  • 1 gal (US)/min =6.30888x10-5 m3/s = 0.227 m3/h
Hose Nominal Diameter
(inches)
Internal Diameter
(inches)
1/8 0.125
3/16 0.1875
1/4 0.25
5/16 0.3125
3/8 0.375
7/16 0.4375
1/2 0.5
5/8 0.625
3/4 0.75
7/8 0.875
1 1
1 1/4 1.25
1 1/2 1.5
2 2
2 1/2 2.5
3 3
3 1/2 3.5
4 4
5 5
6 6

 

Related Topics

  • Air Psychrometrics - The study of moist and humid air - air condition - psychrometric charts, Mollier diagrams, air temperature, absolute and relative humidity, moisture content and more

Related Documents

Key Words

  • en: water flow hose pressure loss psi
  • es: flujo de agua pĆ©rdida de presiĆ³n de la manguera psi
  • de: Wasserdurchflussschlauch Druckverlust psi

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