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Professional Chamber Furnaces with Brick Insulation LH or Fibre Insulation LF

Product Details

LH 15/12 – LF 120/14

The LH 15/12 – LF 120/14 professional chamber furnaces have been trusted for many years as professional chamber furnaces for the laboratory. These furnaces are available with either a robust insulation of light refractory bricks (LH models) or with a combination insulation of refractory bricks in the corners and low heat storage, quickly cooling fibre material (LF models). With a wide variety of optional equipment, these models can be optimally adapted to your processes.

    • Tmax 1200 °C, 1300 °C, or 1400 °C
    • Five-sided heating for very good temperature uniformity
    • Heating elements on support tubes ensure free heat radiation and a long service life
    • Protection of floor heating and flat stacking surface provided by embedded SiC plate in the floor
    • LH models: multilayered, fibre-free insulation of light refractory bricks and special backup insulation
    • LF models: high-quality fibre insulation with corner bricks for shorter heating and cooling times
    • Door with brick-on-brick seal, hand fitted
    • Short heating times due to high installed power
    • Side vent with bypass connection for exhaust pipe
    • Self-supporting arch for high stability and greatest possible protection against dust
    • Quick lock on door
    • Freely adjustable air slide intake in furnace floor
    • Stand included

Additional Equipment

  • Parallel swinging door, pivots away from operator, for opening when hot
  • Lift door with electro-mechanic linear drive
  • Separate wall-mounting or floor standing cabinet for switchgear
  • Automatic vent flap
  • Cooling fan for shorter cycle times
  • Protective gas connector, sealed housing
  • Retort made of quartz glass for very clean atmosphere, quartz glass covered door with lid function
  • Manual or automatic gas supply system
  • Scale to measure weight reduction during annealing

Technical Specifications

ModelTmax °CInner dimensions
in mm
Volume
in L
Outer dimensions
in mm
Power
kW
Electrical
Connection*
Weight
in kg
 WDHWDH
LH 15/12 1200 250 250 250 15 570 790 1170 5,0 3-phase¹ 150
LH 30/12 1200 320 320 320 30 640 860 1240 7,0 3-phase¹ 170
LH 60/12 1200 400 400  400 60 720 1010 1320 8,0 3-phase 260
LH 120/12 1200 500 500 500 120 820 1110 1420 12,0 3-phase 340
                       
LH 15/13 1300 250 250 250 15 570 790 1170 7,0 3-phase¹ 150
LH 30/13 1300 320 320 320 30 640 860 1240 8,0 3-phase¹ 170
LH 60/13 1300 400 400 400 60 720 1010 1320 11,0 3-phase 260
LH 120/13 1300 500 500 500 120 820 1110 1420 15,0 3-phase 340
                       
LH 15/14 1400 250 250 250 15 570 790 1170 8,0 3-phase¹ 150
LH 30/14 1400 320 320 320 30 640 860 1240 10,0 3-phase¹ 170
LH 60/14 1400 400 400 400 60 720 1010 1320 12,0 3-phase 260
LH 120/14 1400 500 500 500 120 820 1110 1420 18,0 3-phase 340
 
ModelTmax °CInner dimensions
in mm
Volume
in L
Outer dimensions
in mm
Power
kW
Electrical
Connection*
Weight
in kg
 WDHWDH
LF 15/13 1300 250 250 250 15 570 790 1170 7,0 3-phase¹ 130
LF 30/13 1300 320 320 320 30 640 860 1240 8,0 3-phase¹ 150
LF 60/13 1300 400 400 400 60 720 1010 1320 11,0 3-phase 230
LF 120/13 1300 500 500 500 120 820 1110 1420 15,0 3-phase 300
                       
LF 15/14 1400 250 250 250 15 570 790 1170 8,0 3-phase¹ 130
LF 30/14 1400 320 320 320 30 640 860 1240 10,0 3-phase¹ 150
LF 60/14 1400 400 400 400 60 720 1010 1320 12,0 3-phase 230
LF 120/14 1400 500 500 500 120 820 1110 1420 18,0 3-phase 300

¹Heating only between two phases.

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