ST – V High temperature vertical tube furnace up to 1900ºC

Hobersal’s ST16 ST18 and ST19 vertical tubular furnace, versatile and compact up to 1600ºC heated by Kanthal SiC and 1650ºC, 1800ºC and 1900ºC (MoSi2)


TheST16, ST18 and ST19 series are tube furnaces with a new modern, compact and versatile design with maximum temperatures up to 1600ºC, heated by Silicon Carbide (SiC) Kanthal heating elements and modibdenum disilicide (MoSi2) Kanthal Super 1800 and 1900 and high quality and high density thermal insulation that allow high heating rates and low energy consumption

ST16, ST18 and ST19  high temperature tube furnaces let work in oxidizing atmosphere, inert or reduced atmosphere and vacuum with our gas and vacuum packages.


  • Maximum temperatures up to 1600ºC, 1650ºC, 1800ºC and 1900ºC
  • Diameters from 20 mm and 120 mm
  • 300, 450, 600 and 800 mm heating zones
  • Heated zones: 1, 2, 3 and 5 independent zones
  • Silicon Carbide heating elements (Kanthal SiC rods)
  • Ramp programmer up to 64 segments
  • Heating pilot indicator light
  • Solid state relays provide for lownoise operation
  • High density insulation for energy savings
  • Air chamber to prevent surface overheating
  • Fast heating and cooling
  • Thermocouples type S (1600ºC) Type B (1900ºC)
  • Fan in control panel to protect the electrical parts

Additional equipment:


  • Eurotherm EPC 3016 programmer (10 programs – 25 segments) + itools logging software (allows curve downloads in Excel format) via Ethernet
  • Nanodac programmer ( 100 programs) USB and Ethernet entry + itools logging software (allows curve downloads in Excel format)



  • Quartz, Alumina, High Alumina and Inconel tubes
  • Water-cooled vacuum flanges for inert or reduced atmosphere and vacuum up to x10-5Mbar
  • Vacuum pumps up to 1Mbar, x10-2Mbar and x10-5Mbar (Leybold)
  • Inert, reducing and flammable gas supply systems (Manual, semi-automatic and by MFC – mass flow controllers)
  • Ceramic and fibre plugs for working in atmosphere
  • OTP (Over temperature protection)
  • Radiation shields
  • Crucibles and boats
  • Rods for sample insertion and extraction
  • Gloves, crucible tongs…
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