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W Shape Industrial Tubular Air Heater Electric Finned Heater

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.
1.Tube diameter: Φ2mm-Φ30mm
2.Tube Material: Fe, SS304;SS316,SS321,ss202 etc
3. Insulation Material:High-purity Mgo
4. Reisistance wire element:Ni-Cr or FeCr
5. Lead Connection Option: Crimped or Swaged leads
6.Lead and type of connection leads, 10" Fiberglass Standard(Wire options,silicone high temperature frberglass).
7. The voltage and power can customized
8. The shape of tubular heater can be customized according to your drawing

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  • PRODUCT DETAIL

W Shape Industrial Tubular Air Heater Electric Finned Heater

Finned strip heaters are an electric heating element that maximizes heat intensity and transfer effectively in an area. Steel fin strip heaters are an excellent industrial heating product that can be installed on the surface of the heater. Mounting holes are useful to mount the heaters securely on the wall housing with terminal extending from the sheath for easy electrical connections.
Finned strip heaters are composed of a heating element, a protective sleeve or sheath, and mounting hardware along with steel finned that are used to extend surface area. If strip heaters are used as a radiant heater, or a duct heater, they have can have fins to maximize surface area and heat transfer to the air. Strip heaters can be clamped or bolted onto objects or solid surface contact heating over large areas and are primarily used in indoor applications.

1.Tube diameter: Φ2mm-Φ30mm
2.Tube Material: Fe, SS304;SS316,SS321,ss202 etc
3. Insulation Material:High-purity Mgo
4. Reisistance wire element:Ni-Cr or FeCr
5. Lead Connection Option: Crimped or Swaged leads
6.Lead and type of connection leads, 10″ Fiberglass Standard(Wire options,silicone high temperature frberglass).
7. The voltage and power can customized
8. The shape of tubular heater can be customized according to your drawing

In applications where tubular heaters are exposed to forced convection, placing fins around tubular heaters increases their surface area and thus improves their heat transferring capacity. Finned tubular heaters, compared to regular tubular heaters, run at lower surface temperatures for the same watt densities when placed in identical air streams.

Technical Datasheet
Insulation resistance 500MΩ
Leakage current 0.75ma max While energized at rated voltage
Power tolerance +5%,-10%
Voltage 12V-440V
Diameter range 4.5mm to 20mm
Heating resistance wire Cr25Al5,Cr20Ni80 or as custom’es requirement
Air tubular heater wattage 1w-5w/cm2

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
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

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