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

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Muffle Furnaces with Brick Insulation Muffle Furnace/Pre-heating Furnace/Ashing Furnace Nabertherm Furnace Laboratory Equipment Facility

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L 5/13 - LT 15/13

Heating elements on support tubes radiating freely into the furnace chamber provide for particularly short heating times for these models. Thanks to their robust lightweight refractory brick insulation, they can reach a maximum working temperature of 1300 °C. These models thus represent an interesting alternative to the familiar L(T) 3/11 models, when you need particularly short heating times or a higher application temperature.

  • Tmax 1300 °C
  • Heating from two sides from heating elements
  • Heating elements on support tubes ensure free heat radiation and a long service life
  • Multilayer 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 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 in the furnace door
  • Exhaust air outlet in rear wall of furnace
  • Solid state relays provide for low-noise operation
Additional Equipment
  • Chimney, chimney with fan or catalytic converte
  • Over-temperature limit controller with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the oven and load
  • Protective gas connection on the rear wall of furnace
  • Manual or automatic gas supply system
Model Flap door Tmax °C Inner dimensions in mm Volume in l Outer dimensions in mm Connected load kW Electrical connection Weight in kg Minutes to Tmax²
W D H W D H
L 5/13 1300 200 170 130 5 440 470 520 2.4 single-phase 42 45
L 9/13 1300 230 240 170 9 480 550 570 3.0 single-phase 60 50
L 15/13 1300 230 340 170 15 480 650 570 3.6 single-phase 70 60

Model Lift door Tmax °C Inner dimensions in mm Volume in l Outer dimensions in mm Connected load kW Electrical connection Weight in kg Minutes to Tmax²
W D H W D H
LT 5/13 1300 200 170 130 5 440 470 520+220 2.4 single-phase 42 45
LT 9/13 1300 230 240 170 9 480 550 570+290 3.0 single-phase 60 50
LT 15/13 1300 230 340 170 15 480 650 570+290 3.6 single-phase 70 60

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