Top loading furnace
max. 1400 °C Nabertherm

Our top-loading furnaces are perfectly suited for cooling and tempering long, heavy objects of glass and quartz glass. Charging is mostly carried out with the help of an overhead crane. Heating from all sides and from the bottom provides for an excellent temperature uniformity. Tailor-made dimensions are designed and manufactured in accordance with the size and weight of components.

Tmax 900 °C, 1280 °C, 1340 °C or 1400 °C
Five-side heating from the sides and the bottom
Heating elements on supporting tubes provide for long service life
SiC-bottom plates provide for level stack charging surface
Bottom heating protected by SiC plates
Multiple layer insulation with lightweight refractory bricks and special backing isolation
Lid insulation consists of fiber material with a special fastening
Electrohydraulic opening system of the lid with two-hand operation
Closable air supply vents in the lower area of the furnace chamber
Closable exhaust air vents in the lid
ΔT 20 K in empty furnace in accordance with DIN 17052-1, section 1