Vacuum and modified atmosphere furnaces

If you don’t find what you are looking for, contact us.


Retort furnace up to 1150ºC for modified atmosphere 

HOB Series

Bottom loading furnace up to 1900ºC

Tube furnaces

Tube furnaces up to 1900ºC

PR V Series

Vacuum furnace up to 1150ºC for vacuum and modified atmosphere

PR CCH Series

Muffle furnace up to 1150ºC for vacuum and inert atmospheres (industrial)

Muffle furnace + Protective Gas Box

Muffle furnaces with Protective Gas Boxes for working under protective, inert atmosphere, nitriding and carburising salts.

Description of Vacuum and Modified Atmosphere Furnaces up to 1900ºC

Vacuum Furnaces

Vacuum furnaces are devices that enable the thermal treatment of materials under reduced pressure conditions (vacuum). These furnaces are designed to prevent oxidation and contamination of parts during the heating process. Vacuum furnaces can reach very high temperatures, commonly up to 1900ºC. The absence of oxygen and other reactive gases in the processing environment is crucial to maintaining the purity of the treated materials.


  • Heat treatment of metals and alloys.
  • Manufacturing of electronic components.
  • Processing of composite materials and ceramics.
  • Sintering of metals and ceramics.

Modified Atmosphere Furnaces

These furnaces allow the introduction of specific gases (such as hydrogen, argon, nitrogen, among others) during the heating process. Controlling the atmosphere inside the furnace is essential for performing thermal treatments that require specific conditions, such as the sintering of materials sensitive to oxidation or the nitriding of steels.


  • Sintering of metals and ceramics.
  • Carburizing and nitriding of steels.
  • Reduction processes in metallurgy.

Metal and Ceramic Sintering by 3D Printing

Sintering is a manufacturing process in which metal or ceramic powders are compacted and then heated to temperatures below their melting point to form a solid piece. In 3D printing, this technique is used to produce components with complex geometries from fine powders.

3D Printing and Sintering in Hobersal Furnaces

Hobersal is a company that manufactures high-precision industrial furnaces, including models specialized for sintering and advanced thermal treatments. Hobersal furnaces can reach temperatures of up to 1900ºC, making them suitable for a wide range of applications in the metallurgical and ceramic industries.

Characteristics of Hobersal Furnaces:

  • Precise temperature control.
  • Capabilities for vacuum and modified atmosphere.
  • Robust and efficient design.
  • Intuitive interfaces to facilitate use in 3D printing processes.

Applications in 3D Printing:

  • Metal Sintering: Production of dense and high mechanical strength metal parts from metal powders.
  • Ceramic Sintering: Manufacturing of ceramic components with high wear resistance and extreme temperature endurance.

Advantages of Using Hobersal Furnaces:

  • High thermal uniformity to ensure consistency of sintered parts.
  • Flexibility in atmosphere control to prevent oxidation and contamination.
  • Capability to reach high temperatures, crucial for sintering advanced materials.


Vacuum and modified atmosphere furnaces are essential tools for sintering metals and ceramics, especially in the 3D printing industry. Hobersal furnaces, with their advanced temperature and atmosphere control capabilities, provide the ideal conditions for producing high-quality, precision components. Their advanced design and technology make them a preferred choice for industrial applications requiring thermal treatments at extremely high temperatures.