1. According to the cable outlet method, it can be divided into single-end electric heating tube and double-end electric heating tube.
2. According to the material classification, it can be divided into stainless steel electric heating tube, quartz electric heating tube, Teflon electric heating tube, titanium electric heating tube
3. According to the shape classification, it can be divided into straight electric heating tubes, U-shaped electric heating tubes, L-shaped electric heating tubes, W-shaped electric heating tubes, finned electric heating tubes, and special-shaped electric heating tubes.
4. According to the classification of use, it can be divided into dry heating electric heating tube and water heating electric heating tube
5. According to the classification of heating methods, it can be divided into conventional resistance heating tubes and radiant electric heating tubes