CTS CPVC Tubes - Friction Loss and Flow Velocity

Friction loss and flow velocity for CTS (Copper Tube Size) CPVC pipe

Friction loss for CTS CPVC pipe is indicated in the diagrams below. 

Head Loss (ft H2O/100 ft) 

cts cpvc pipe friction loss flow velocity

  • 1 ft H2O = 0.4335 psi = 62.43 Lbs./Sq.Ft.
  • 1 gal (US)/min =6.30888x10-5 m3/s = 0.227 m3/h = 0.06309 dm3(litre)/s = 2.228x10-3 ft3/s = 0.1337 ft3/min = 0.8327 Imperial gal (UK)/min
  • 1 ft/s = 0.3048 m/s

Friction Loss (kPa/m)

cts cpvc pipe tube SI Pa

  • 1 Pa = 10-6 N/mm2 = 10-5 bar = 0.1020 kp/m2 = 1.02x10-4 m H2O = 9.869x10-6 atm = 1.45x10-4 psi (lbf/in2)
  • 1 dm3(litre)/s = 10-3 m3/s = 3.6 m3/h = 0.03532 ft3/s = 2.1189 ft3/min (cfm) = 13.200 Imp.gal (UK)/min = 15.852 gal (US)/min = 792 Imp. gal (UK)/h
  • 1 m/s = 3.6 km/h = 196.85 ft/min = 2.237 mph

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