Cold-Wall Retort Furnace

Nabertherm Cold-Wall Retort Furnaces
Compared with the VHT models, the retort furnaces of the SVHT product line offer improved performance data with regard to achievable vacuum and maximum temperature. Due to the design as pit-type furnace with tungsten heating, processes up to max. 2400 °C even in high vacuum can be implemented with retort furnaces of the SVHT..-W product line. Retort furnaces of the SVHT..-GR product line with graphite heating, also in pit-type design, can be operated in an inert gas atmosphere even up to max. 3000 °C.

SVHT ..-GR
  • „Applicable for processes:
           - Under protective or reaction gases or in the vacuum up to 2200 °C under consideration of relevant max. temperature limits
           - Under inert gas argon up to 3000 °C
  • Max. vacuum up to 10-4 mbar depending on the type of pump used„
  • Heating: graphite heating elements in cylindrical arrangement„Insulation: graphite felt insulation
  • „Temperature measurement by means of an optical pyrometer

SVHT ..-W
  • „Applicable for processes under protective or reaction gases or in vacuum up to 2400 °C„
  • Max. vacuum up to 10-5 mbar depending on the type of pump used
  • „Heating: cylindrical tungsten heating module
  • „Insulation: tungsten and molybdenum radiant plates
  • „Temperature measurement with thermocouple type C
Model
Tmax
°C
Work Space Dimensions in MM
Dia x H 
Outer Dimensions in MM
W x D x H
Volume in l
SVHT 2/24-W
2400
150 x 150
1300 x 2500 x 2000
2.5
SVHT 9/24-W
2400
230 x 230
1400 x 2900 x 2100
9.5
 
 
 
 
 
SVHT 2/30-GR
3000
150 x 150
1400 x 2500 x 2100
 2.5
SVHT 9/30-GR
3000
230 x 230
1500 x 2900 x 2100
9.5