Insulated Steam Pipes - Condensate Generated (kg/h per 100m)
Heat loss from steam pipes generates condensate which must be drained from the system.
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The diagram and table below can be used to indicate condensate generated due to heat loss in insulated steam pipes.
| Steam Pressure (bar) | Condensate Generation (kg/h per 100 m) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pipe Size (mm) | |||||||||
| 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| 0.7 | 9 | 10 | 13 | 16 | 19 | 24 | 30 | 36 | 44 |
| 2 | 11 | 13 | 16 | 20 | 24 | 29 | 37 | 46 | 55 |
| 4 | 15 | 18 | 21 | 28 | 37 | 42 | 51 | 63 | 75 |
| 7 | 18 | 22 | 26 | 32 | 41 | 48 | 60 | 75 | 89 |
| 12 | 24 | 28 | 34 | 39 | 49 | 57 | 79 | 99 | 117 |
| 16 | 29 | 35 | 43 | 54 | 67 | 80 | 99 | 123 | 147 |
| 20 | 31 | 38 | 46 | 57 | 71 | 83 | 105 | 131 | 155 |
| 28 | 34 | 41 | 50 | 63 | 78 | 92 | 117 | 145 | 173 |
| 35 | 41 | 50 | 59 | 74 | 92 | 110 | 137 | 172 | 204 |
| 42 | 45 | 59 | 66 | 83 | 103 | 124 | 155 | 193 | 229 |
- 1 inch = 25.4 mm
The table is based on a surrounding temperature of 20 oC and 80% insulation efficiency compared with uninsulated pipes.
At a surrounding temperature -20 oC approximately 50% condensate load should be added.
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Related Topics
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Heat Loss and Insulation
Steam and condensate pipes - heat loss uninsulated and insulated pipes, insulation thickness and more. -
Steam and Condensate
Steam & condensate systems- properties, capacities, pipe sizing, systems configuration and more.
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