Calculators
Ohm's Law – Single
Ohm's Law – Triple (Delta)
Ohm's Law – Triple (Wye)
Heat Energy Requirements
Wattage Requirements
Glossary
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  • Duct Heaters
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  • Duct Heaters

    Rugged Durex duct heaters are well suited for the needs of many heavy duty industrial applications. We only use tubular heater elements for long life and durability. We construct high tensile strength cages to support heater elements in larger, higher temperature units to ensure proper performance. The optimal sheath material and maximum allowable watt densities are used to minimize size, weight and footprint. Replaceable element designs as well as modular “bank” type designs are available.

    • Operating temperatures to 1400°F (760°C)
    • Watt densities to 40W/in²
    • 304SS & Incoloy® sheaths
    • UL® component recognized
    • Process and high limit sensors
    • NEMA 1, 4 enclosures

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