Alternatively, the SER is available with a clear ID which allows it to be used as a tubeheater.
可以选择的，SER型硅碳棒有空旷的内径，常被用作加热管。
2
The aluminium tubeheater is an electric heating component through putting the heating wire into the aluminium tube.
铝管加热器是将发热置于铝管内的一种电加热元件。
3
Fin electric heating tubeheater: large thermal inertia, stable heating power, not blocking the air flow channel, wide heating range, long service life.