Back Pressure and Steam Trap Capacity
Back pressure in a condensate systems will reduce the steam trap capacity
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The steam trap capacity are reduced if there is a back pressure in the condensate system. A back pressure is often a result of excessive flash steam generation.
The reduction in steam trap capacity is indicated in the table below.
| Reduction in Steam Trap Capacity (%) | ||||
| Inlet Pressure | % Back Pressure | |||
| 25 | 50 | 75 | ||
| (psig) | (bar) | |||
| 5 | 0.35 | 6 | 20 | 38 |
| 25 | 1.75 | 3 | 12 | 30 |
| 100 | 6.9 | 0 | 6 | 25 |
| 200 | 13.8 | 0 | 5 | 23 |
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