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High Temperature Vertical Open-type Tubular Furnace(GWL-LKQGA)

Author: Publish Date:2018-03-24 Views:98

The GWL Series high-temperature vertical tube furnaces are designed for vertical orientation and operation up to 1800 °C.

The high-grade insulation material consisting of fiber plates provides low energy consumption and high heating rates due to its low thermal conductivity. The insulation and silicon carbide rod and the molybdenum disilicide (MoSi2) heating elements are installed in a rectangular housing can be easily replaced. At higher temperatures and in the presence of oxygen, MoSi2 develops an oxide layer which protects the heating elements against further thermal or chemical corrosion. 

Application Examples

annealing, carbonisation, crystal growth, debinding, degassing, drying, glowing, hardening, metal injection moulding (MIM), pyrolyses, rapid prototyping, sintering, sublimation, synthesis, tempering

Standard features

  • 1800 °C maximum operating temperature

  • Double layer furnace shell air cooling ensure the surface temperature less than 45℃

  • Temperature accuracy :±1℃; Temperature uniformity:±1℃(Base on Heating zone size) 

  • intelligent current and voltage meter temperature controller, simple to use, Programmable

  • Optimised for vertical usage

  • Low thermal mass ceramic fibre insulation

  • Vertically hanging, high quality MoSi2 heating elements

  • Double loop protection(over current, over temperature and over voltage etc)

  • Metal, Quartz, Corundum materials can be selected as the tube material

  • Vacuum degree can be -0.1Mpa



Options (specify these at time of order)

  • A range of sophisticated digital controllers, multi-segment programmers, and data loggers is available. These can be fitted with RS232, RS485 or Ethernet communications

  • A range of additional work tubes is available in a variety of materials

  • Insulation plugs & radiation shields are strongly recommended for high-temperature vertical tube furnaces to prevent heat loss & improve uniformity

  • The modified atmosphere and vacuum assemblies are available

  • Vacuum packages with a choice of rotary vane pump or turbomolecular pump are available for furnaces with tube inner diameters of 60 mm and above


*Content may be subject to modifications or corrections



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