WATLOW Finned Strip Heaters


Watlow has developed a line of process air heaters that offer performance and versatility in medium to low temperature applications. This rugged and reliable line of industrial heaters efficiently conducts heat.

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Product Description

Product Description

Watlow’s 375 finned strip heaters are constructed of highly-compacted MgO-based insulation, which conducts heat efficiently from the nickel chromium element wire to the sheath. Two-inch wide (51 mm) aluminized steel fins are attached in a way that maximizes surface contact so heat is transferred into the air faster. Lower sheath temperature and element life are all maximized by this finned construction.

Finned strip heaters com in available lengths from 51⁄2 to 48 in. (140 to 1220 mm).

Specification

Specification

Material Maximum Operating Temperatures Maximum Watt Densities
°F °C W/in2 W/cm2
Aluminized steel 1100 595 33 5.1
  • Aluminized steel sheath temperatures to 1100°F (595°C)
  • Watt density up to 33 W/in² (5.1 W/cm²)
  • UL® approved to 240VAC (File No. E52951)
  • CSA approved to 600VAC (File No. LR7392)
    • Applications

    Applications

  • Enclosure heating
  • Load bank resistors
  • Shrink tunnels
  • Duct heaters
  • Space heaters
  • Drying ovens
  • Incubators
  • Air heating
  • Heat curing
  • Ink drying
  • Food warmers
  • Moisture protection
    • Features & Benefits

    Features & Benefits

    Features Benefits
    Nickel chromium element wire is centered in the heater
  • Heats the strip uniformly
    		•
    Aluminized steel sheath
  • Operates at higher temperatures
  • Resists corrosion better than iron-sheathed heaters
    		•
    Optional 430 SS sheath
  • Provides a solution for more corrosive environments
    		•
    Welded post terminals
  • Produces strong, trouble-free connections
    		•
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