Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C,
47500 Subang Jaya,
Selangor, Malaysia.
+603-5621 5786
+603-5621 5829

Muffle Furnaces with Embedded Heating Elements in the Ceramic Muffle (Nabertherm L, LT 9/11/SKM)

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L 9/11/SKM


Muffle heated from four sides

Gas supply system for non-flammable protective or reactive gas with shutoff valve and flow meter with regulator valve, piped and ready to connect

Over-temperature limite


We particularly recommend the muffle furnace L 9/11/SKM if your application involves aggressive substances. The furnace has a ceramic muffle with embedded heating from four sides. The muffle furnace thus combines a very good temperature uniformity with excellent protection of the heating elements from aggressive atmospheres. Another aspect is the smooth, nearly particle free muffle (furnace door made of fiber insulation), an important quality feature for some ashing processes.

  • Temp. max 1100 °C
  • Muffle heated from four sides
  • Furnace chamber with embedded ceramic muffle, high resistance to aggressive gasses and vapours
  • Housing made of sheets of textured stainless steel
  • Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operator
  • Adjustable working air inlet in the door
  • Exhaust air outlet in rear wall of furnace
  • Solid state relays provide for low­noise 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
  • 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
  • Manual or automation gas supply system
  • Process control and documentation via VCD software package for monitoring, documentation and control

Technical Specification:

Model Tmax
Inner dimensions in mm Volume
in l
Outer dimensions in mm Connected
load kW
in kg
to Tmax2
Lift door w d h W D H1
LVT 3/11 1100 160 140 100 3 385 360 735 1.2 1-phase 20 120
LVT 5/11 1100 200 170 130 5 385 420 790 2.4 1-phase 35 120
LVT 9/11 1100 230 240 170 9 415 485 845 3.0 1-phase 45 120
LVT15/11 1100 230 340 170 15 415 585 845 3.5 1-phase 55 120
1Including exhaust tube (Ø 80 mm)
2If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE

This is under the Muffle/Preheating/Ashing Furnaces Category and its Accessories can be found here.

We are an Authorised Agent of NABETHERM Furnaces.
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