Series 1230 - Three Zone Tube Furnaces

General purpose three zone tube furnaces for precision control and uniform temperature for operation up to 2250°F. Standard sizes range from 2"ID x 24"L to 5"ID x 36"L. All models are complete with a ceramic tube. Instrumentation is prewired in a control console mounted under the tube.

Standard Features

  • Proportioning type indicating controller with thermocouple break control.
  • Three variable transformers,
  • Magnetic contactor.
  • Type K thermocouple assembly.
  • Ceramic tube.
  • Completely enclosed instrument cabinet
  • Minimum 5" multi-layer insulation.


Universal end seals and variation of control equipment.

These furnaces are built to customer specifications. Please contact Lucifer Furnaces, Inc. to discuss your application.