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Energy saving is the main factor in the whole concept of our lehrs.

Extremely thick asbestos-free ceramic fiber between the inside tunnel and the outside case makes our lehr the best isolated lehr in the market.

Lehrs with a beltwidth of 1 to 5.6 m and variable length.

  • The outside tunnel is a construction with heavy U profiles and sheet steel of 4 mm.
  • The inside tunnel is a construction with heavy stainless steel U profiles and stainless sheet steel of 3 and 5 mm.
  • The stainless steel fishbone belt support is made of 10 mm thick bars.
  • The hot air circulation fans are in stainless steel and direct driven.
  • The belt traction system is over dimensioned and allows a wide velocity range.
  • The belt is driven over a large contact surface with a rubberized drive roller.
  • The belt tracking system is easy to use and very effective.
  • The plain entrance roller has a special design for cooling the ends and protecting the bearings.
  • In the cooled sections the aspirated cold air is premixed with the hot air before entering in contact with the glass.
  • The main electric panel can be equipped with temperature controllers or with a PLC.
  • Temperatures can be controlled accurately at 1 C.
  • An electronic link to a plant supervising system is possible.
If electric heated : elements are in NiChrome and have an extremely long lifetime.

Gas heated G-Lehrs consume on average 30 % less than the competition thanks to the lehr construction but mainly thanks to our burners G5 and G7.