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Watlow FIREBAR® Clamp-On Heaters
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Watlow FIREBAR® Clamp-On Heaters

Product Overview

Watlow 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.

Overview

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.

Features & Benefits

  • 70 percent greater surface area per linear inch compared to a 0.430 in. (11 mm) diameter round tubular heater.
  • Compacted MgO insulation maximizes thermal conductivity and dielectric strength.
  • Precision wound nickel-chromium resistance wires.
  • 0.040 in. (1 mm) thick MgO walls transfer heat more efficiently.
  • Three resistance coil design readily adapts to a variety of electrical sources and wattages outputs.

Specifications

Material
Alloy 800

Maximum Operating Temperatures
1400 F°
760 C°

Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
Material
304 Stainless Steel

Maximum Operating Temperatures
1200 F°
650 C°

Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6

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