duoCalor

Cartridge heater

Maintenance-friendly electric heating elements that can be installed and serviced from the outside of a thermal plant.

The thermal process does not always have to be interrupted for maintenance work. The cartridge heater consists of an electric heating element combined with duoCast and duoBase elements to form a ready-to-install unit. Different atmospheres can be used as a process gas in conjunction with steel pipes.

The cartridge heaters can be manufactured in a wide variety of types to allow a compact design of the plant.

Common designs are:

  • Combination cartridge
  • Spiral cartridge
  • Flat cartridge
  • Segmented cartridge
  • Cage element
  • Heating register