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Test conditions

The test conditions are in accordance DIN 4102 (German Standard):

  • temperature in the test chamber according to
    DIN 4102
  • pressure : 10 mbar overpressure at the top rail; up to 20 mbar possible
  • tests of up to 120 min possible

Sizes

Test aperture: 

  • 1000 x 2000 mm

Size of the door blank:

  • in block frame:   max. 940 x 1985 mm
  • in surrounding frame:   max. 880 x 1940 mm

Rabbet

  • German Standard DIN left recommended
  • blunt / over-rebated
  • opening towards/from the furnace

Frames

The installation of wooden surrounding frames is possible.

The results of tests with steel frames only have a limited applicability as the deformations of the steel frame are not absorbed by the oven construction.

Installation :

The test specimen is fitted into a steel frame which is then installed in front of the furnace. 

Sizes : see drawing