Tubular finned heater element is constructed like basic tubular elements with the addition of continuous spiral fins, 4-5 per inch permanently furnace brazed to the sheath. Fins greatly increase surface area and permit faster heat transfer to air, resulting in lower surface element temperatures.
Product Name:U Type Tubular finned heater element
Material stainless steel 304/321/316/310S,Incoloy 800 840
Power Tolerance +5% -10%
Tube Diameter 8MM 10MM 12MM 14MM 16MM 18MM 20MM. etc
Shape Round, straight, U type, W type , double W type and so on
Voltage 48V 110V 120v 380V 230V 220V 240V
Thread M12 M14 M16 M18
Application Drying,Heat Treating,Annealing,Load Banks,Curing
TUBE MATERIAL | FIN MATERIAL |
TUBE DIA. (MM) |
FIN HEIGHT(MM) |
FIN EHICKNESS(MM) |
FIN PITCH(MM) |
SS304/316/321/Incoloy | S.Steel/Mild Steel | φ6.7 | 3~5 | 0.3~0.4 | 3~5 |
SS304/316/321/Incoloy | S.Steel/Mild Steel | φ8 | 3~5 | 0.3~0.4 | 3~5 |
SS304/316/321/Incoloy | S.Steel/Mild Steel | φ9 | 3~5 | 0.3~0.4 | 3~5 |
SS304/316/321/Incoloy | S.Steel/Mild Steel | φ10 | 5~7 | 0.3~0.4 | 3~7 |
SS304/316/321/Incoloy | S.Steel/Mild Steel | φ12 | 5~7 | 0.3~0.4 | 3~7 |
SS304/316/321/Incoloy | S.Steel/Mild Steel | φ14 | 5~10 | 0.3~0.4 | 3~7 |
SS304/316/321/Incoloy | S.Steel/Mild Steel | φ16 | 5~10 | 0.3~0.4 | 5~10 |
SS304/316/321/Incoloy | S.Steel/Mild Steel | φ20 | 5~10 | 0.3~0.4 | 7~10 |
List various sheath materials, maximum allowable temperatures and mediums within which they are recommended to operate.
Sheath Material | Maximum Sheath Temperature | Applications |
Copper | 350 °F (170 °C) | Immersion into water ,non corrosive low viscosity liquids |
Steel | 750 °F (400 °C) | Oil, wax, asphalt, cast in aluminum or iron |
Stainless Steel 304-316 | 1200 °F (600 °C) | Corrosive liquids, food industry, sterilizers |
Incoloy | 1500 °F (815 °C) | Air, corrosive liquids, clamped to surfaces |