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Muffle Furnaces with Flap Door or Lift Door

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.

 

 

Category: .
  • Muffle Furnaces with Flap Door or Lift Door
  • 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
  • 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

td>Minutes

Model Tmax Inner dimensions in mm Volume Outer dimensions in mm Connected Electrical Weight
  °C w d h in l w d h load kW connection in kg to Tmax2
L 3/11 1100 160 140 100 3 385 330 405 1.2 1-phase 20 60
L 5/11 1100 200 170 130 5 385 390 460 2.4 1-phase 30 60
L 9/11 1100 230 240 170 9 415 455 515 3.0 1-phase 35 75
L 15/11 1100 230 340 170 15 415 555 515 3.5 1-phase 40 90
L 24/11 1100 280 340 250 24 490 555 580 4.5 3-phase 55 95
L 40/11 1100 320 490 250 40 530 705 580 6.0 3-phase 65 95
L 1/12 1200 90 115 110 1 290 280 430 1.5 1-phase 10 25
L 3/12 1100 200 170 130 5 385 390 460 1.2 1-phase 30 75
L 5/12 1100 230 240 170 9 415 455 515 2.4 1-phase 35 75
L 9/12 1100 230 340 170 15 415 555 515 3.0 1-phase 40 90
L 15/12 1100 280 340 250 24 490 555 580 3.5 3-phase 55 105
L 24/12 1100 320 490 250 40 530 705 580 4.5 3-phase 65 110
L 40/12 1200 320 490 250 40 530 705 580 6.0 3-phase 65 110
Article No. Description
Exhaust systems/Accessories
631000140 Chimney for connection to an exhaust pipe
631000812 Chimney with fan, to remove exhaust gas from the furnace better.
631000166 Catalytic converter with fan for removal of organic components from the exhaust air.
699000408 Round saggar (Ø 115 mm x 35 mm) for furnaces LHT/LB, Tmax 1650 °C
699000984 Round lid for furnaces LHT/LB, Tmax 1650 °C
699000279 Square saggar for furnaces HTC and LHT, Tmax 1600 °C
699000985 Square lid for furnaces HTC and LHT, Tmax 1600 °C
493000002 Various tongs for easy loading and unloading of the furnace. (300mm)
493000003 Various tongs for easy loading and unloading of the furnace. (500mm)