Muffle Furnaces

Muffle Furnaces

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Muffle Furnace Overview

Muffle furnaces are box type heat treatment furnaces used to alter the physical properties of materials at elevated temperatures. These laboratory furnaces are widely used in universities, research facilities, quality control laboratories, and industrial environments.

Key Applications

  • Heat treatment and annealing
  • Ash determination and ashing processes
  • Material testing and quality control
  • Chemical and gravimetric analysis
  • Coal and carbon analysis
  • Ceramic and coating development
  • Sample preparation for research and laboratory testing

Our muffle furnaces are available in a range of chamber sizes and temperature ratings, with robust construction, user friendly controls, and integrated safety features.

Our team is ready to help you choose the right muffle furnace for your process, To discuss your application, contact Thermic Edge at sales@thermic-edge.com or use our 'Request a Quote' form.

Standard Features

  • Maximum operating temperature: 1800°C.
  • Highly accurate test results under uniform temperatures.
  • Display: 7 segment LED display.
  • Accuracy: ±1°C.
  • Outstanding temperature uniformity inside chamber made up of silicon carbide cavity.
  • Advanced refractory interior, used in combination with energy efficient low thermal mass insulation.
  • Over temperature limiter with adjustable cut out temperature for thermal protection of Class 2 in accordance with EN 60519 2 to protect the furnace and load.
  • Power control through solid state relay or thyristor unit that provides low noise operation.
  • Thermocouple break protection that helps prevent thermocouple failure run away.
  • Easy maintenance and operation.
  • Power control through solid state relay.
  • NABL certified thermocouple.

Operational Features

  • Programmable PID controller with RS 232, RS 485, Ethernet and data logging software.
  • Provision for vacuum and gas purging application, including Ar, N2, H2, O2 and CO2.
  • Available in standard sizes and as per customer requirements.
  • Observation hole on the door.

Technical Specifications

Model Max Temp (°C) Internal Size
H × W × D (mm)		 External Size
H × W × D (mm)		 Volume (L) kW Heating Element Thermocouple
MF 112 1200°C 100 × 100 × 150 mm 640 × 510 × 585 mm 1.5 L 2 FeCrAl N
MF 312 1200°C 95 × 175 × 300 mm 640 × 510 × 585 mm 5 L 2.8 FeCrAl N
MF 412 1200°C 150 × 175 × 300 mm 687 × 515 × 636 mm 7.9 L 3.2 FeCrAl N
MF 512 1200°C 230 × 200 × 400 mm 822 × 535 × 689 mm 18.5 L 8 FeCrAl N
Model Operating Temp (°C) Internal Size
H × W × D (mm)		 Volume (L) kW Heating Element Thermocouple
HF 1400 1400°C 150 × 170 × 270 mm 6.9 L 4 SiC R
HF 1600 1600°C 150 × 170 × 270 mm 6.9 L 4 MoSi₂ B
HF 160 G 1600°C 200 × 175 × 340 mm 12 L 5 MoSi₂ B
HF 1800 1800°C 110 × 150 × 240 mm 4 L 4 MoSi₂ B
HF 1800 G 1800°C 180 × 150 × 330 mm 9 L 5 MoSi₂ B

Construction

  • Powder coated 1.6 mm thick mild steel cabinet, with 304 grade stainless steel available as an option.
  • Vacuum formed ultra high purity alumina low thermal mass insulation with pre sintered fibre insulation board for maximum energy saving design.
  • Silicon carbide muffle for better thermal uniformity and efficiency.
  • Double shell case with cooling fan to keep surface temperature low and electric components safe.
  • Maximum thermal efficiency using high grade ceramic fibre insulation.
  • Door limit switch for cutting power to the heating element while the door is open.

Temperature Control

  • Electronic and automatic control.
  • Temperature sensing through N type sensor.
  • NABL certified thermocouple.
  • Equipped with thermocouple break protection that helps prevent thermocouple failure run away.

Door Operation

  • Parallel moon swing door and mechanical linkage.
  • Push down lever mechanism for locking the gate.

Request a Quote

To discuss muffle furnace sizes, operating temperatures, control requirements, vacuum or gas purging options, please contact Thermic Edge.

Muffle Furnace

Request a Quote