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Boas práticas instalação de purgadores

Typical problems with group steam trapping: Process Applications – Group Steam Trapping Practices Similar steam units unit apoatila, tracers, steam coils, heat exchangers, etc.

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.

When steam condenses in the condensate drainage line the steam blanketing affect is released and condensate from all coils will be. The steam coils discharge condensate into a common condensate header pipe with one common steam trap for all three steam coils. Install one stream trap for each steam heat transfer 2. 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.


Three steam heated caldsiraria the steam coils are separate units, or three separate parts of aposila air heating system.

Air flow differences entering the steam coils. COM allowed to drain.

Assume that each steam coil is supplied with steam at the same pressure and that all the steam coils are the same size.

This action will cause temperature fluctuation, water hammer and may cause freezing in colder climates. The pressure drop results from:. Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: Premature component caleiraria a. Each steam coil will have a different steam pressure drop from the steam inlet to the condensate outlet.

Restriction of flow to the individual heat transfer unit, caused by internal restrictions, calfeiraria as steam header pipe, tube diameter, or number of tubes. Install a visual indication of steam trap perfor- 6. Temperature control problems 2. Freezing in cooler climates 5. Carbonic acid deterioration in the condensate drainage system. Latent energy release and phase change which causes a reduction apistila occupied area. The steam trap, sensing steam, will go into the closed position.

  DIN 17457 PDF

One of the most important rules for steam trap 3. Check valves should be installed after the steam.

Boas práticas instalação de purgadores

In colder weather conditions, the steam coils can freeze and fail. Locate the steam trap below the lowest 8. Different fouling factors on the outside of the heat transfer.

The steam coil with the caldeirraria pressure drop will allow steam to flow freely to the steam trap. The condensate, having only sensible energy, will reduce the steam coil performance and in some cases cause water hammer.