The heating elements for air/gases, both custom design as the standard, are used in ducts, autoclaves, ovens, etc.
The heating elements for air or gas can be manufactured like tubular elements, finned helicoidal and / or rectangular, or coil wire of alloy Ni-Cr.
Some typical applications of air heaters are:
-Shrink plastic ovens
-Recirculated air heaters
-Static air heaters
-Tables or hot cupboards
-Industrial or domestical heating