Bell Jar Furnace by Therelek

Therelek’s Bell furnace is designed with optimal performance for high sensitivity and delicate components.
The furnace chamber is cylindrical in shape and the assembly is double-walled to attain high-quality surface finish for the material. Molybdenum or tungsten assembly is placed inside the chamber for heating with greater ease when loading materials for processing. The retort serves for increasing the temperature uniformity and protecting the heat zone from volatile processes.

Features & Specifications

Title Description
Temperature Range Up to 1500°C
Standard Applications Wire annealing, Annealing/annealing under protective atmosphere, Isothermal Annealing, Brazing, Sintering, Vacuum Hardening, Vacuum Stress Relieving, Vacuum Tempering, Laboratory Applications
Heating Media Options Electric/Gas Fired/Oil Fired
Heating Elements Nichrome Wire / Special Alloy Resistance Heating Wire / Silicon Carbide Rod Type
Furnace Classification Class 2/Class 3
Instrumentation options Thyristor, Programmable Temperature Controller, Temperature Recorder, PLC, SCADA, HMI


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More about Bell Jar Furnace


  • Wire annealing
  • Annealing
  • Isothermal Annealing
  • Brazing
  • Sintering
  • Vacuum Hardening
  • Vacuum Stress Relieving
  • Vacuum Tempering
  • Laboratory Applications

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