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Custom Small Scale Tunnel Kilns

Changing from electric tunnel kilns to gas-fired furnaces can result in significant changes in product outcomes.  A custom Deltech tunnel kiln offers a great way to scale up while duplicating the conditions in resistance-heated batch furnaces. Depending on your process parameters, a tunnel kiln might be preferable to a production-size ‘top hat’, bottom loader, or front load furnace. The good news is that a tunnel kiln will maintain the rapid heating and cooling and exceptional temperature uniformity characteristic of Deltech non-continuous furnaces. Check out the list below of many optional features available for your custom-designed and custom-built tunnel kiln.

Tunnel Kilns Deltech Furnaces
Tunnel Kilns


  • Sustained operating temperatures up to 1800 degrees Celsius
  • Fiberboard or ceramic lined
  • Single or multizone, including preheat and cool down sections
  • Controlled atmosphere capability, including gas mixing and delivery systems
  • Gas curtains to protect the environment from materials outgassing
  • Gas analysis and sampling in preheat and exit zones
  • Feeding options include screw conveyors, gravity feeds, and volumetric loading
  • Integrated scales for measurement and data logging of material weight changes
  • The ability to add additional length as product demand grows
  • Control systems that are custom, like your new kiln. Features can include PLC/HMIs for speed control, weight data, control trending, and temperature data. We can supply and integrate your preferred brand of temperature controller.
  • All systems are built to co-comply with UL508A, CSA 22.2, and NFPA 86 standards

Information we need from you to start the design process:

  • Product characteristics
  • Workspace size
  • Desired operating temperatures
  • Number of zones
  • Temperature requirements of individual zones
  • Product dwell time at the desired temperatures

Are you concerned about your proprietary process? We will gladly sign an NDA.

Unsure of what features your custom tunnel kiln might need? We can help.

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All Deltech furnace systems are designed and manufactured in the U.S.A, and shipped and installed worldwide.