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High-Temperature Furnaces with MoSi2 Heating Elements up to 1800 °C

High-Temperature Furnaces with MoSi2 Heating Elements up to 1800 °C

High-temperature furnace LHT 01/17 D

Saggars with top lid

Over-temperature limiter

Designed as tabletop models, these compact high-temperature furnaces have a variety of advantages. The first-class workmanship using high-quality materials, combined with ease of operation, make these furnaces all-rounders in research and the laboratory. These high-temperature furnaces are also perfectly suited for the sintering of technical ceramics, such as zirconium oxide dental bridges.

  • Tmax 1600 °C, 1750 °C, or 1800 °C
  • High-quality molybdenum disilicide heating elements
  • Dual shell housing made of textured stainless steel sheets with additional fan cooling for low surface temperature
  • Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2
  • Compact design with lift door, opening upwards
  • Adjustable air inlet
  • Exhaust air opening in the roof
  • Type B thermocouple
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Additional equipment

  • Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
  • Square saggar for charging of up to three layers
  • Protective gas connection to purge with non-flammable protective or reaction gases
  • Manual or automatic gas supply system
  • Process control and documentation via VCD software package for monitoring, documentation and control
ModelTmaxInner dimensions in mmVolumeOuter dimensions4 in mmConnectedElectricalWeightMinutes
 °Cwdhin lWDH3load kWconnection*in kgto Tmax2
LHT 02/161600901501502470630760+2603.01-phase7530
LHT 04/1616001501501504470630760+2605.23-phase18525
LHT 08/1616001503001508470810760+2608.03-phase110025
             
LHT 01/17 D16501101201201385425525+1952.21-phase2810
LHT 03/17 D16501351552004470630760+2603.01-phase7560
             
LHT 02/171750901501502470630760+2603.01-phase7560
LHT 04/1717501501501504470630760+2605.23-phase18540
LHT 08/1717501503001508470810760+2608.03-phase110040
             
LHT 02/181800901501502470630760+2603.61-phase7575
LHT 04/1818001501501504470630760+2605.23-phase18560
LHT 08/1818001503001508470810760+2609.03-phase110060
1Heating only between two phases *Please see page 73 for more information about supply voltage
2If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE 3Including opened lift door
4External dimensions vary when furnace is equipped with additional equipment. Dimensions on request
 

High-Temperature Furnaces with Molybdenum Disilicide Heating Elements with Fiber Insulation up to 1800 °C

Reinforced floor as protection for bottom insulation for high-temperature furnace HT 16/16 and higher

Inner process top hat with gas injection through the furnace bottom protects the furnace chamber against contamination and/or prevents chemical interaction between the charge and heating elements

Two-door design for high-temperature furnaces > HT 276/..

Due to their solid construction and compact stand-alone design, these high-temperature furnaces are perfect for processes in the laboratory where the highest precision is needed. Oustanding temperature uniformity and practical details set unbeatable quality benchmarks. For configuration for your processes, these furnaces can be extended with extras from our extensive option list.

  • Tmax 1600 °C, 1750 °C, or 1800 °C
  • Recommended working temperature 1750 °C (for models HT ../18), increased wear and tear must be expected in case of working at higher temperatures
  • Dual shell housing with fan cooling for low shell temperatures
  • Heating from both sides via molybdenum disilicide heating elements
  • High-quality fiber insulation backed by special insulation
  • Side insulation constructed with tongue and groove blocks provides for low heat loss to the outside
  • Long-life roof insulation with special suspension
  • Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2
  • Chain-guided parallel swivel door for defined opening and closing of the door
  • Two-door design (front/back) for high-temperature furnaces > HT 276/..
  • Labyrinth sealing ensures the least possible temperature loss in the door area
  • Reinforced floor as protection for bottom insulation as standard from models HT 16/16 upwards
  • Vapor vent in the furnace roof
  • Heating elements switched via thyristors
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Additional equipment

  • Uncontrolled or controlled cooling system with frequency-controlled cooling fan and motor-driven exhaust air flap
  • Furnace in DB design featuring fresh air preheating, exhaust gas ventilation and an extensive safety package for debinding and sintering in one process, i. e. without transfering the material from the debinding furnace to the sintering furnace
  • Stainless steel exhaust gas top hats
  • Special heating elements for zirconia sintering provide for longer service life with respect to chemical interaction between charge and heating elements
  • Protective gas connection to purge with non-flammable protective or reaction gases
  • Manual or automatic gas supply system
  • Inner process box to improve the gas tightness and to protect the furnace chamber against contamination
  • Lift door
  • Motorized exhaust air flap, switchable via the program
  • Thermal or catalytic exhaust cleaning systems
  • Process control and documentation via VCD software package or Nabertherm Control Center (NCC) for monitoring, documentation and control
ModelTmaxInner dimensions in mmVolumeOuter dimensions2 in mmConnectedElectricalWeight
 °Cwdhin lWDHload kWconnection*in kg
HT 04/161600150150150473049014005.23-phase1150
HT 08/161600150300150873064014008.03-phase1200
HT 16/16160020030026016810700150012.03-phase1270
HT 29/1616002753003502997574016208.03-phase1350
HT 40/161600300350350401000800162012.03-phase380
HT 64/161600400400400641130900167018.03-phase550
HT 128/16160040080040012811301290167026.03-phase750
HT 160/16160050055055016012501050190021.03-phase800
HT 276/161600500100055027613001600190036.03-phase1100
HT 450/161600500115078045013501740212064.03-phase1500
            
HT 04/171750150150150473049014005.23-phase1150
HT 08/171750150300150873064014008.03-phase1200
HT 16/17175020030026016810700150012.03-phase1270
HT 29/1717502753003502997574016208.03-phase1350
HT 40/171750300350350401000800162012.03-phase380
HT 64/171750400400400641130900167018.03-phase550
HT 128/17175040080040012811301290167026.03-phase750
HT 160/17175050055055016012501050190021.03-phase800
HT 276/171750500100055027613001600190036.03-phase1100
HT 450/171750500115078045013501740212064.03-phase1500
            
HT 04/181800150150150473049014005.23-phase1150
HT 08/181800150300150873064014008.03-phase1200
HT 16/18180020030026016810700150012.03-phase1270
HT 29/1818002753003502997574016208.03-phase1350
HT 40/181800300350350401000800162012.03-phase380
HT 64/181800400400400641130900167018.03-phase550
HT 128/18180040080040012811301290167026.03-phase750
HT 160/18180050055055016012501050190021.03-phase800
HT 276/181800500100055027613001600190042.03-phase1100
HT 450/181800500115078045013501740212064.03-phase1500
1Heating only between two phases *Please see page 73 for more information about supply voltage
2External dimensions vary when furnace is equipped with additional equipment. Dimensions on request