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Machines & equipment for sale

Nabertherm N321 1150 C Universal Chamber Furnace

Stock No
Year of Manufacture
New or Used
Used (Second Hand)
Internal Size (WxDxH mm)
750 x 1100 x 400, 320 litres
Max Temp
Other Info
AMS2750E Specification
Our Central Warehouse, Aldridge, UK
Weight (kgs)
External Dimensions (WxDxH mm)
1450 x 2270 x 2040


Nabertherm N321 1150°C Furnace

These universal chamber furnaces with NiCr heating have been specifically designed to withstand heavy-duty use in the heat treatment department. They are particularly useful in tool making for hardening, annealing, and forging. Originally supplied to Gardner Aerospace and used for heat treatment and calibrated in accordance with AMS2750E Class 5D upto 700 DegC and AMS 27050E Class 4D above 700 DegC.  

Features include:

  • Compact, robust design
  • 42kW of three-sides heating: from both of the side walls and bottom hearth
  • Heating elements mounted on support tubes to ensure free heat radiation and long service life
  • Bottom heating protected by heat conducting SiC hearth tiles
  • Stainless steel upper door jamb protects furnace structure when the furnace is opened when a temperature
  • Base frame included 
  • Exhaust opening in the side of the furnace, or on rear wall of chamber
  • Temperature uniformity up to +/- 10 °C according to DIN 17052-1
  • Low energy consumption due to multi-layer insulation
  • Gas spring dampers provide easy door opening and closing
  • Heat resistant zinc paint for protection of door and door frame
  • Defined application within the constraints of the operating instructions
  • Process timer
  • 3ph Amp meters
  • Honeywell programmable controllers: operating the heating through thyristor controls.


Calibration Certificate is available to view in the additional files.

pdf icon Print / Download Nabertherm N321 1150 C Universal Chamber Furnace Datasheet

Additional files

Calibration Certificate

Photographs taken prior refurbishment. Our refurbishment service is not available on all machines.