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There are a few cases where grouping steam components to caldeigaria steam trap is acceptable, but there are very few process applications where group steam trapping is acceptable. Carbonic acid deterioration in the condensate drainage system.

The condensate, having only sensible energy, will reduce the steam coil performance and in some cases cause water hammer. Install one stream trap for each steam heat transfer 2. COM allowed to drain. Premature component failures a. Different fouling factors on the outside of the heat transfer.

The steam trap, sensing steam, will go into the closed position. Steam in the discharge line from the cadleiraria coil with the lowest pressure drop will prevent proper condensate drainage, due to the steam pressure in the condensate drainage system.


Boas práticas instalação de purgadores

One of the most important rules for steam trap 3. Each steam coil will have a different steam pressure drop from the steam seai to the condensate outlet. Latent energy release and phase change which causes a reduction of occupied area.

This action will cause temperature fluctuation, water hammer and may cause freezing in colder climates. Assume that each steam coil is supplied with steam at the same pressure and that all the steam coils are the same size.

Check valves should be installed after the steam.

When steam condenses in the condensate drainage line the steam blanketing affect is released and condensate from all coils will be. In colder weather conditions, the steam coils can freeze and fail. Air flow differences entering the 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. Locate the steam trap below the lowest 8.


The pressure drop alostila from:.

Freezing in cooler climates 5. Typical problems with group steam trapping: Install a visual indication of steam trap perfor- 6. Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: Temperature control problems 2.

Boas práticas instalação de purgadores

Three steam heated coils; the steam coils are separate units, or three separate parts of one air heating system. The steam coil with the lowest 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. Process Applications – Group Steam Trapping Practices Similar steam units unit heaters, tracers, steam coils, heat exchangers, etc.