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Mineral Insulated (MI) Strip Heaters

Mineral Insulated (MI) Strip Heaters

 (8)
The MI strip heater is a thin, responsive heater setting unmatched standards for performance and durability. It makes use of the most advanced heater construction techniques, including embedding a nickel-chromium element wire in an exclusive mineral insulation. Watlow’s exclusive mineral insulation is a material with a much higher thermal conductivity than the mica and hard ceramic insulators used in conventional heaters. This thin layer of insulation brings the element wire closer to the heater sheath, resulting in easy heat flow from the element wire to the sheath. This allows the wire to run cooler than conventional heaters and increases heater life.

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375 High-Temperature Strip Heaters

375 High-Temperature Strip Heaters

 (104)
Named for its 0.375 in. (9.5 mm) thickness, the Watlow® 375 strip is a rugged heater capable of both high temperatures and high watt densities.
Its ruggedness comes from the design and use of choice materials. Watlow begins construction by accurately placing a coiled, nickel-chromium element wire in the center of the heater. The element wire is then embedded in MgO-based insulation compacted into a solid mass resulting in excellent heat conductivity and high dielectric strength. Finally, the heater is enclosed in aluminized steel sheathing.


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Thick Film Conduction Heaters

Thick Film Conduction Heaters

 (14)
Watlow’s 430 stainless steel thick film conduction heaters are ideal for use in many applications where fast response and uniformity are essential. A clamp-on thick film heater provides the best possible combination of heat transfer, thermal efficiency and temperature uniformity.

These high performance heaters use thick film technology to provide maximum temperature response in a low profile package. This technology can be applied in areas where space is at a premium or where conventional heaters cannot be used because of limited voltage and wattage combinations.

Thick film conduction heaters provide a low-profile heater in a variety of shapes. These shapes include two-dimensional circular and rectangular forms. Due to the ...


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FIREBAR® Clamp-On Heaters

FIREBAR® 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’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 elements instead of round tubular elements in virtually all applications.