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

Muffle Furnaces with Brick Insulation and Flap Door or Lift Door

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Muffle Furnaces with Brick Insulation and Flap Door or Lift Door 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
  • Heating elements on support tubes ensure free heat radiation and a long service life
  • Multi-layer 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
  • 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 automatic gas supply system
  • Observation hole in the door
  • Process control and documentation via VCD software package for monitoring, documentation and control
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 5 490 450 580 2.4 single-phase 42 45
L 9/13 1300 230 240 170 9 530 525 630 3.0 single-phase 60 50
L 15/13 1300 260 340 170 15 530 625 630 3.5 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 5 490 450 580+320 2.4 single-phase 42 45
LT 9/13 1300 230 240 170 9 530 525 630+350 3.0 single-phase 60 50
LT 15/13 1300 260 340 170 15 530 625 630+350 3.5 single-phase 70 60

 
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