Rod Elements

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Rod Elements: Black Heat, Red Heat, Custom heating Solutions

heating rods, black heat, red heat

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.

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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.

unitemp Rod Elements: Construction

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

Ordering Options

Rod Element Sheath Materials

  • Incoloy 800 (I)
  • Incoloy 825 (H)
  • Copper (C)
  • Titanium (T)
  • Stainless Steel 304/321 (S)
  • Finned Incoloy 800 (F)
  • Other (X)

Terminations of Rod Heating Elements

IllustrationDescriptionOrder Code
Rod Element: Plain Pin TerminationPlain Pin0
Rod Element: Spade TerminationSpade1
Rod Element: M4 Straight, Tab & Saddle TerminationM4 Straight: Tab & Saddle2
Rod Element: M4 Bent, Tab & Saddle TerminationM4 Bent: Tab & Saddle3
Rod Element: M5 Post with nuts (stainless steel) TerminationM5 Post with nuts: (stainless steel)4
Rod Element: Silicone Rubber Cable Moisture Proof TerminationSilicone Rubber Cable, Moisture proof7
Rod Element: Ni-Wire Glass Insulated TerminationNi-Wire, Glass Insulated8
Rod Elements: Ni-Wire in Ceramic Beads TerminationNi-Wire in Ceramic Beads9

Shapes of Rod Heating Element

IllustrationOrder CodeIllustrationOrder Code
Rod Element Shape 00Rod Element Shape DD
Rod Element Shape EERod Element Shape UU
Rod Heater Shape FFRod Element Shape WW
Rod Element shape TTRod Element Shape GG
Rod Element Shape CCRod Element Shape HH


Rod Elements: Mounting option with Brass Bush & Nut
Brass Bush with Nut
Rod Elements: Mounting option with Steel Clinch Bush
Steel Clinch Brush


DescriptionOrdering Code
1/2" UNF x 25mm Steel Clinch. 2 Nuts & Washer (for air heaters)1
1/2" UNF x 16mm Brass with Nut2
1/2" UNF x 25mm Brass with Nut3
1/2" UNF x 50mm Brass with Nut4
1M14 x 1.25 x 16mm Brass with Nut5

Standard & Customisable Heating Rod Elements