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Rod elements are widely used in industry for convection heating, conduction heating and also for radiation heating.
Heating rods are versatile because they
- can be bent into any shape
- operate at high temperatures (up to 650°C)
- can be immersed into liquids.
The robust metal sheathed construction ensures safety (electrical insulation) and protection against moisture and dirt.
Tubular sheathed heating elements: Construction
The rod element consists of a heating coil, imbedded in compacted MgO-powder and protected by an outer metal sheath.
An unheated zone on either end prevents overheating of the termination and the exposed part of the rod.
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Typical Applications
- Duct heaters (air conditioning)
- Hot-air systems
- Convection ovens
- Drying sheds
- Shrink tunnels
- Roasting of food (meat, nuts…)
- Smoking of food
- Curing of paint, ink or varnishes
- Defrosting
- Sealing bars
- Tools and dies
- Melting