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Install a visual indication of steam trap perfor- 6. Typical problems with group steam trapping: Steam in the discharge line from the steam coil with the lowest pressure drop will snai proper condensate drainage, due to the steam pressure in the condensate drainage system. Assume that each steam coil is supplied with steam at the same pressure and that all the steam coils are the same size. Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: Air flow differences entering the steam coils.


Three steam heated coils; the steam coils are separate units, or three separate parts of one air heating system. Freezing in cooler climates 5. Temperature control problems 2.

Boas práticas instalação de purgadores

Carbonic acid deterioration in the condensate drainage system. COM allowed to drain. The condensate, having only sensible energy, will reduce the steam coil performance and in some cases cause water hammer. Each steam coil will have a different steam pressure drop from the steam inlet to the condensate outlet. The steam trap, sensing steam, will go into the closed position. There are a few cases where grouping steam components to one steam trap is acceptable, but there are very few process applications where group steam trapping is acceptable.

Process Applications – Group Steam Trapping Practices Similar steam units unit heaters, tracers, steam coils, heat exchangers, etc. Locate the steam trap below the lowest 8.

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Install one stream trap for each steam heat transfer 2. Latent energy release and phase change which causes a reduction of occupied area.

Check valves should be installed after the steam. The steam coil with the apostilq pressure drop will allow steam to flow freely to the steam trap. The steam coils discharge condensate into a common condensate header pipe with one common steam trap for all three steam coils. Restriction of flow to the individual heat transfer unit, caused by internal restrictions, such as steam header pipe, tube diameter, or number of tubes.


Different fouling factors on the outside of the heat transfer. When steam condenses in the condensate drainage line the steam blanketing affect is released and condensate from all coils will be. Premature component failures a.

In colder weather conditions, the steam coils can freeze and fail. The pressure drop results from:.

One of the most important rules for steam trap 3. This action will cause temperature fluctuation, water hammer and may cause freezing in colder climates.