Lindberg Front Load Horizontal Vacuum Furnace

Lindberg horizontal vacuum furnaces offer a fast, efficient and economical answer to the production of highest quality heat treated parts. There are 6 basic horizontal furnace sizes to choose from. Each offers a range of productive capacity, control and process capabilities based upon pumping and instrumentation systems utilized. Temperature range to 2400F.

Features / Benefits

Front Load Horizontal Vacuum Furnace
  • Positive control of surface chemistry
  • Electric economy
  • Cleaner operation
  • Automated control
  • Saves energy
  • Modular system design – system is compact in design for capabilities delivered. Easier and faster installation and startup. Routine maintenance also takes less time.
  • Furnace construction – system is furnished as a complete operating unit. Chamber and door are fully water-jacketed and baffled for efficient cool-down. Internal vacuum chamber surfaces are epoxy coated to provide optimum service life


  • Recorder
  • Diffusion pump for 10-4 Torr range operation
  • Surge Tank provides rapid gas backfill for cooling cycles
  • Oil mist separator removes oil smog and liquid from pump exhaust
  • Thermocouple vacuum gauge tube filters
  • Survey thermocouple feed thru
  • Water recirculation system
  • Baskets
  • Sight glass
  • Vacuum carburizing atmosphere option


  • Aging
  • Annealing
  • Brazing
  • Ceramic firing
  • Hardening
  • Sintering
  • Solution Treating
  • Stress Relieving
  • Vacuum Heat Treating