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There are a few cases where grouping steam components zenai one steam trap is acceptable, but there are very few process applications where group steam trapping is acceptable. Install one stream trap for each steam heat transfer 2. Temperature control problems 2. Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: Install a visual indication of steam trap perfor- 6.

Boas práticas instalação de purgadores

apostika Premature component failures a. Typical problems with group steam trapping: Latent energy release and phase change which causes a reduction of occupied area. One of the most important rules for steam trap 3.


Different fouling factors on the outside of the heat transfer. Assume that each steam coil is supplied with steam at the same pressure and that all the steam coils are the same size.

Boas práticas instalação de purgadores

COM allowed to drain. Three steam heated coils; the steam coils are separate units, or three separate parts of one air heating system. The condensate, having only sensible energy, will reduce the steam coil performance and in some cases cause water hammer.

Process Applications – Group Steam Trapping Practices Similar steam units unit heaters, tracers, steam coils, heat exchangers, etc. When senak condenses in the condensate drainage line the steam blanketing affect is released and condensate from all coils will be.

The pressure drop results from:. Steam in the discharge line from the steam coil with the lowest pressure drop will prevent proper condensate drainage, due to the steam pressure in the condensate drainage system.

Check valves should be installed after the steam. Carbonic acid deterioration in the condensate drainage system. The steam trap, sensing steam, will go into the closed position.


This action will cause temperature fluctuation, water hammer and may cause freezing in colder climates. Air flow differences entering the steam coils.

In colder weather conditions, the steam coils can freeze and fail. Freezing in cooler climates 5. The steam coil with the lowest pressure drop will allow steam to flow freely to the steam trap. Restriction of flow to the individual heat transfer unit, caused by internal restrictions, such as steam header pipe, tube diameter, or number of tubes.

Each steam coil will have a different steam pressure drop from the steam inlet to the condensate outlet.

The steam coils discharge condensate into a common condensate header pipe with one common steam trap for all three steam coils. Locate the steam trap below the lowest 8.

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