Sealed quench furnaces

The application range of the IVA sealed quench furance is versatile and includes a variety of methods of heat treatment. The systems are distinguished by a robust design - guarantee for reliable long-term operation.

  • Gas / Electric
  • max. 1.150°C
  • Process control system
  • Hardening & Tempering
  • Case hardening
  • Annealing
  • Perlitizing
  • Bainitic hardening
  • Hardening
  • Normalizing
  • Carburizing / Carbonitriding
  • Nitriding / Nitro carburizing


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+49 (0) 231 92178-0

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IVA sealed quench furnaces are available in 3 different basic standard sizes (tray sizes) with the possibility to customize the load height and even the tray size, if necessary for specific applications. The integrated oil quench offers quench temperatures of up to 200°C. Alternatively, salt quench (for austempering) offers a maximum operating temperature of up to 400°C.

These are the main characteristics and features:

  • High temperature uniformity throughout all stages of the process
  • Excellent repeatability of heat treatment results
  • Energy efficient, state of the art heating systems
  • Modern radiant tube heating systems with high efficient recuperated gas burners
  • Flexible operating capabilities
  • Quenching options
  • Slow atmosphere cooling capability
  • Possibility of integration into existing SQF lines (of competitor’s brand)
  • Supervisory Control & Automation System for light’s out operation
  • Integrated protective gas generators
  • Endothermic gas
  • Methanol cracker
  • Control cabinet with programmable HMI
  • Compact design – all gear motor driven