Condensate Line Capacity in kW

Maximum capacities of condensate lines in kW steam consumption

The table below can be used to determine the sizes of a condensate pipe line where the heat consumption in kW is known.

Steam Consumption (kW)
Nominal pipe sizeWet mainDry main with gradientVented Pipes
inmm1 in 200 ft1 in 600 ftVertical
1/2 15 30 10 6 10 12
3/4 20 70 30 18 30 47
1 25 120 50 34 50 94
1 1/4 32 300 120 80 120 211
1 1/2 40 420 176 117 176 293
2 50 760 350 225 350 530
2 1/2 65 1900 800 510 800 1200
3 80 2700 1200 740 1200 1870
  • 1 in = 25.4 mm
  • 1 ft = 0.3048 m

Related Topics

  • Steam and Condensate - Steam & condensate systems- properties, capacities, pipe sizing, systems configuration and more
  • Pipe Sizing - Sizing steam and condensate pipes - pressure loss, recommended velocity, capacity and more

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