WATLOW FIREROD® Clamp-On Heaters


Watlow’s strip/clamp-on heaters are a versatile solution for a number of applications. They can be bolted or clamped to a solid surface for freeze and moisture protection, food warming and other applications. These heaters make use of the most advanced heat construction techniques.

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Product Description

Product Description

FIREBAR® clamp-on heating elements provide added heating performance over standard round tubular heating elements—especially for immersion applications in petroleum based liquids that require high kilowatts.

The FIREBAR clamp-on heater’s unique flat surface geometry packs more power in shorter elements and assemblies, along with a host of other performance improvements.

These include:

  • Minimizing coking and fluid degrading
  • Enhancing the flow of fluid past the element’s surface to carry heat from the sheath
  • Improving heat transfer with a significantly larger boundary layer allowing much more liquid to flow up and across the sheath’s surface

FIREBAR elements are available in single- and double-ended constructions with one inch or 5⁄8 inch heights. These two configuration variables make it possible to use FIREBAR clamp-on heater elements instead of round tubular elements in virtually all applications.

Specification

Specification

Material Maximum Operating Temperatures Maximum Watt Densities
°F °C W/in2 W/cm2
Alloy 800 1400 760 120 18.6
304 stainless steel 1200 650 120 18.6
  • Watt densities to 120 W/in² (18.6 W/cm²)
  • Alloy 800 sheath temperatures to 1400°F (760°C)
  • 304 stainless steel sheath temperatures to 1200°F (650°C)
  • Voltages to 240VAC
  • Amperages to 48 amperes per heater or 16 amperes per coil
  • Applications

    Applications

  • Restaurant and food processing equipment
  • Food warming
  • Food preparation
  • Tank and platen heating
  • High-temperature resins
  • Screed heating
  • Features & Benefits

    Features & Benefits

    Features Benefits
    Greater surface area per linear inch compared to round tubular heaters
  • Reduces watt density or packs more kilowatts in smaller bundles
  • Compacted MgO insulation
  • Maximizes thermal conductivity and dielectric stength
  • Nickel-chromium resistance wires
  • Precision wound
  • 0.040 in. (1 mm) thick MgO walls
  • Transfers heat more efficiently away from the resistance wire to the sheath and media
  • Conducts heat out of the element faster
  • Three resistance coil design (double ended only)
  • Configurable to either one- or three-phase power
  • readily adapts to a variety of electrical sources and wattage outputs
  • Slotted end (single ended only)
  • Provides installation ease in clamp-on applications
  • Lavacone seals
  • Provides protection against humid storage conditions moisture retardant to 221°F (105°C)
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