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  5. Muffle Furnaces with Flap Door or Lift Door

Muffle Furnaces with Flap Door or Lift Door

Full description
The muffle furnaces L 1/12 - LT 40/12 are the right choice for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. The muffle furnaces come equipped with either a flap door or lift door at no extra charge.


  • Tmax 1100 °C or 1200 °C

  • Heating from two sides by ceramic heating plates (heating from three sides for muffle furnaces L 24/11 - LT 40/12)

  • Ceramic heating plates with integral heating element which is safeguarded against fumes and splashing, and easy to replace

  • Insulation made of non-classified fiber material

  • Housing made of sheets of textured stainless steel

  • Dual shell housing for low external temperatures and high stability

  • Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operator

  • Adjustable air inlet integrated in door (see illustration)

  • Exhaust air outlet in rear wall of furnace

  • Solid state relays provide for low-noise operation

  • Defined application within the constraints of the operating instructions

  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive


Additional equipment

  • Chimney, chimney with fan or catalytic converter (not for L 1)

  • 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 (not available in combination with chimney, chimney with fan or catalytic converter)

  • Manual or automatic gas supply system

  • Process control and documentation via VCD software package for monitoring, documentation and control
Product specification
Model Flap Door L 3/11 L 5/11 L 9/11 L 15/11 L 24/11 L 40/11
Tmax °C 1100 1100 1100 1100 1100 1100
Inner dimensions in mm w 160 200 230 230 280 320
  d 140 170 240 340 340 490
  h 100 130 170 170 250 250
Volume in l 3 5 9 15 24 40
Outer dimensions in mm W 385 385 415 415 490 530
  D 330 390 455 555 555 705
  H 405 460 515 515 580 580
Connected load kW 1,2 2,4 3 3,5 4,5 6
Electrical connection 1-phase 1-phase 1-phase 1-phase 3-phase 3-phase
Weight in kg 20 30 35 40 55 65
Minutes to Tmax 60 60 75 90 95 95
Model Flap Door L 1/12 L 3/12 L 5/12 L 9/12 L 15/12 L 24/12 L 40/12
Tmax °C 1200 1200 1200 1200 1200 1200 1200
Inner dimensions in mm w 90 160 200 230 230 280 320
  d 115 140 170 240 340 340 490
  h 110 100 130 170 170 250 250
Volume in l 1 3 5 9 15 24 40
Outer dimensions in mm W 290 385 385 415 415 490 530
  D 280 330 390 455 555 555 705
  H 430 405 460 515 515 580 580
Connected load kW 1,5 1,2 2,4 3 3,5 4,5 6
Electrical connection 1-phase 1-phase 1-phase 1-phase 1-phase 3-phase 3-phase
Weight in kg 10 20 30 35 40 55 65
Minutes to Tmax 25 75 75 90 105 110 110
Model Lift door LT 3/11 LT 5/11 LT 9/11 LT 15/11 LT 24/11 LT 40/11
Tmax °C 1100 1100 1100 1100 1100 1100
Inner dimensions in mm w 160 200 230 230 280 320
  d 140 170 240 340 340 490
  h 100 130 170 170 250 250
Volume in l 3 5 9 15 24 40
Outer dimensions in mm W 385 385 415 415 490 530
  D 330 390 455 555 555 705
  H 405+155 460+205 515+240 515+240 580+320 580+320
Connected load kW 1,2 2,4 3 3,5 4,5 6
Electrical connection 1-phase 1-phase 1-phase 1-phase 3-phase 3-phase
Weight in kg 20 30 35 40 55 65
Minutes to Tmax 60 60 75 90 95 95
Model Lift door LT 3/12 LT 5/12 LT 9/12 LT 15/12 LT 24/12 LT 40/12
Tmax °C 1200 1200 1200 1200 1200 1200
Inner dimensions in mm w 160 200 230 230 280 320
  d 140 170 240 340 340 490
  h 100 130 170 170 250 250
Volume in l 3 5 9 15 24 40
Outer dimensions in mm W 385 385 415 415 490 530
  D 330 390 455 555 555 705
  H 405+155 460+205 515+240 515+240 580+320 580+320
Connected load kW 1,2 2,4 3 3,5 4,5 6
Electrical connection 1-phase 1-phase 1-phase 1-phase 3-phase 3-phase
Weight in kg 20 30 35 40 55 65
Minutes to Tmax 75 75 90 105 110 110
Downloads
Лабораторные печи Nabertherm
Каталог лабораторных печей Nabertherm

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