WATLOW MULTICELL™ Insertion Heaters


Watlow designed and manufactured the first swaged cartridge heater and revolutionized the heating element industry.

With premium materials and tight manufacturing controls, Watlow’s cartridge heaters (insertion heaters) provide superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and long life even at high temperatures. Customers benefit from Watlow’s custom designs, on-time delivery, quality and technical assistance.

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Product Description

Product Description

The advanced design of the MULTICELL™ heater from Watlow offers three major advantages over other insertion heaters:

extreme process temperature capability, independent zone control for precise temperature uniformity and loose fit design for easy insertion and removal.

Specification

Specification

Material Maximum Operating Temperatures Maximum Watt Densities
°F °C W/in2 W/cm2
Alloy 800 2050 1120 30 4.6
  • Engineered to achieve sheath temperatures up to 2050°F (1120°C)
  • Up to six independently controllable zones
    • Applications

    Applications

  • Hot isothermal forming
  • Soil remediation
  • Hot forging dies
  • Heated platens
  • Super plastic forming
  • Heated platens (single and multiple zones)
  • Heat treating processes
  • Super plastic forming with diffusion bonding
  • Polysilicon ingots
  • Hot gas generation
  • Hazardous waste treatment systems
    • Features & Benefits

    Features & Benefits

    Features Benefits
    Multiple, independently controllable zones
  • Allows process temperature uniformity not possible with any other single-sheathed heater
    		•
    Radiant design of heater
  • Allows for loose insertion in boiling holes and piping holes
  • Permits easy removal and replacement with minimal down time since it will not bind or seize in the hole
    		•
    Oxidized sheath
  • Provides high emissivity and improves the heater’s performance as oxidation increases
    		•
    Individually metal-sheathed coils swaged into a larger, high-temperature alloy outer sheath
  • Provides maximum protection against element burnout through the outer sheath
    		•
    Quick disconnect plug and jack
  • Permits fast replacement of individual elements while the press stays at operating temperature
    		•
    Special bending capabilities
  • Solves unusual machinery needs and keeps leads away from heated zones
    		•
    Flexible leads up to 842°F (450°C)
  • Protects termination from high-temperature environment
    		•
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