Muffle Furnaces with Brick Insulation, Models L and LT, Nabertherm

Heating elements on support tubes radiating freely into the furnace chamber provide for particularly short heating times for these muffle furnaces.

Tmax 1300 °C
Heating from two sides
Heating elements on support tubes ensure free heat radiation and a long service life
Multi-layer insulation with robust lightweight refractory bricks in the furnace chamber
Housing made of sheets of textured stainless steel
Dual shell housing for low external temperatures and stability
Optional fold down door (L models) which can be used as work platform or lift up door (LT models) with hot surface facing away from the operator
Adjustable air inlet in the furnace door
Exhaust air outlet in rear wall of furnace
Solid state relays provide for low-noise operation

Thanks to their robust lightweight refractory brick insulation, they can reach a maximum working temperature of 1300 °C. These muffle furnaces represent an interesting alternative to the familiar L(T) 3/11 models, when you need particularly short heating times or a higher application temperature.

: Optional accessories include chimney, chimney with fan or catalytic converter; over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load; protective gas connection to purge with non-flammable protective or reaction gases; and a manual gas supply system. Contact your avantor representative for more information.

: These muffle furnaces with brick insulation can be ordered in a variety of sizes and voltage options, with fold down (L) or lift up door (LT models). All models are rated up to 1300 °C maximum temperature. Control options include the B510 controller (5 programs with 4 segments each) or C550 contrller (10 programs with 20 segments each).

: * Temperature uniformity of ± 5K in the empty work space for temperatures >800 °C.