Nabertherm – High-Temperature Tube Furnaces for Horizontal or Vertical Operation up to 1800 °C

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The high-temperature tube furnaces are available in either horizontal (type RHTH) or vertical (type RHTV) designs. High-quality insulation materials made of vacuum-formed fiber plates enable energy-saving operation due to low heat storage and heat conductivity. By using different gas supply systems, operations can be performed under non-flammable or flammable protective or reactive gases or under vacuum.

Standard Equipment

  • Tmax 1600 °C, 1700 °C, or 1800 °C
  • Single-zoned design
  • Dual shell housing made of textured stainless steel sheets with additional fan cooling for low surface temperature
  • Exclusive use of insulation materials without categorization according to EC Regulation No. 1272/2008 (CLP)
  • Insulation with vacuum-formed ceramic fiber plates
  • Tube furnaces RHTV with frame for vertical operation
  • Type B thermocouple
  • Solid state relays provide for lownoise operation
  • Ceramic working tube C 799 including two fiber plugs for operation under air
  • Hanging and easy to change MoSi2 heating elements
  • Power unit with low-voltage transformer and thyristor
  • Over-temperature limiter with adjustable cutout temperature  as temperature limiter to protect the oven and load and with selectable maximum temperature gradient as tube protection
  • Switchgear and control unit separate from furnace in separate floor standing cabinet
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive
  • Controller P470 (50 programs with each 40 segments)

Process Control and Documentation

As one of the world’s largest furnace manufacturers, Nabertherm has many years of experience in the design and manufacture of standardized and customer-specific control systems. All controls are characterized by a very high level of operating convenience and even the basic version has extensive basic functions. Depending on the requirements, the functions can be expanded and adapted to your needs. Professional software solutions for single or multiple furnace management as well as process and batch documentation based on our Nabertherm controllers complete the range.

Also for compliance with industry-specific standards that define process control and documentation, such as for example, the AMS 2750 F for aviation, the CQI-9 in the automotive industry or the FDA in the pharmaceutical industry we offer standardized solutions.

Additional Equipment

  • Charge control with temperature measurement in the working tube
  • Three-zone control for optimization of temperature uniformity (only horizontal tube furnaces RHTH)
  • Gas supply system 2 for non-flammable protective or reactive gas operation
  • Gas supply packages 3 or 4 for hydrogen operation
  • Vacuum package to evacuate the working tube
  • Process control and documentation via VCD software package for monitoring, documentation and control
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