Atomfair Vertical Tube Furnace (High-Temperature Vacuum Type)
Temperature Performance
Temperature Control Range: MFLGLD20 Series (Room Temperature – 1100℃); MFLGLD40/41 Series (Room Temperature – 1200℃)
Operating Temperature: MFLGLD20 Series (1050℃); MFLGLD40/41 Series (1150℃)
Temperature Control Precision: ±0.1℃ when <1000℃; ±1℃ when ≥1000℃
Temperature Rise Rate: ≤10℃/min below 1000℃; ≤30℃/min above 1000℃ (Recommended within 70℃/min)
Structure & Configuration
Furnace Body: Ceramic fiber furnace chamber + cold-rolled steel plate corrosion-resistant exterior; Furnace surface temperature (under 1000℃ working condition) ≤ Room Temperature + 10℃
Heating & Temperature Control: Silicon carbide rod heating elements, PID control + digital display/setting, supports 30-segment programmable temperature control
Vacuum System: Vacuum system compatible (no-load vacuum degree up to 1.33×10⁻⁴Pa), including quartz heat insulation tube, vacuum flange and other components
Safety Protection: Power-off when door is opened, over-temperature alarm, leakage/over-temperature protection
Specifications (Partial)
| Model | Furnace Tube Size | Input Power |
|---|---|---|
| MFLGLD20 4-11 | Φ40MM | 1.5KW |
| MFLGLD20 5-11 | Φ50MM | 1.5KW |
| MFLGLD40 5-12 | Φ50MM | 3KW |
| MFLGLD41 5-12 | Φ150MM | 5.2KW |
Product Advantages
Covers 1100–1200℃ high-temperature range, with high-precision temperature control, multi-segment programmable temperature rise and vacuum atmosphere adaptability. Suitable for high-temperature heat treatment experiments in materials science, metallurgy and other fields, with safe structure and stable performance.
Brief Introduction
Atomfair Vertical Tube Furnace, available in 1100℃/1200℃ series, features temperature control precision up to ±0.1℃, supports vacuum/programmable temperature control, and is suitable for scientific research high-temperature heat treatment experiments. It has rich specifications and reliable performance.
If you’re interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.
This furnace requires controlled atmospheric or vacuum conditions and careful temperature management to ensure safe operation. Exceeding recommended heating rates or operating without proper vacuum integrity may compromise the quartz tube and heating elements.
- Vacuum System Constraint: Operate under vacuum only with the included quartz tube and vacuum flange properly sealed to maintain the no-load vacuum degree up to 1.33×10⁻⁴Pa.
- Heating Rate Constraint: Limit temperature rise to ≤10℃/min below 1000℃ and ≤30℃/min above 1000℃ to prevent thermal shock to the ceramic fiber chamber and silicon carbide heating elements.
- Safety Interlock Constraint: The furnace automatically powers off when the door is opened, and over-temperature, leakage, and over-temperature alarms must be respected to prevent operator injury or equipment damage.
This procedure outlines the safe setup, programming, and operation of the furnace for high-temperature heat treatment. Follow these steps to ensure proper vacuum sealing, temperature control, and safe shutdown.
Required Equipment: Vacuum pump (compatible with furnace vacuum system), Quartz tube and vacuum flange (included), PID controller with digital display
- Seal the vacuum system
Inspect the quartz tube and vacuum flange for cracks or debris, then mount and seal them securely to the furnace. - Evacuate the system
Connect the vacuum pump and evacuate the tube to the target vacuum level, verifying the system holds the vacuum without leaks. - Set the temperature program
Program the PID controller with the desired heating rate, target temperature, and hold time using the 30-segment programmable feature. - Start the heating cycle
Initiate the heating cycle and monitor the temperature ramp, ensuring the rate does not exceed the recommended limits. - Monitor the process
Observe the furnace operation during the run, watching for any alarms or abnormal temperature fluctuations. - Cool down safely
Allow the furnace to cool naturally to below 100℃ before opening the chamber or removing the sample. - Vent and retrieve sample
Vent the vacuum system to atmospheric pressure, then carefully open the flange and remove the treated sample.
How does temperature control precision vary across the operating range of the Atomfair Vertical Tube Furnace?
Temperature control precision is ±0.1°C when operating below 1000°C and ±1°C at or above 1000°C, as specified for the MFLGLD20 and MFLGLD40/41 series. This dual-precision regime ensures accurate thermal profiles for both low-temperature processes and high-temperature heat treatments up to 1150°C operating temperature.
What vacuum level is achievable with this furnace and which components support the vacuum system?
The furnace is vacuum-system compatible and can achieve a no-load vacuum degree of up to 1.33×10⁻⁴ Pa. The system includes a quartz heat insulation tube, vacuum flange, and other necessary components to maintain high-vacuum conditions for sensitive materials processing.
What built-in safety protections are included in the Atomfair Vertical Tube Furnace design?
The furnace incorporates multiple safety features: automatic power-off when the door is opened, over-temperature alarm, and over-temperature/leakage protection. These are integrated with the PID control system to ensure fail-safe operation during unattended 30-segment programmable temperature runs.
The Atomfair Vertical Tube Furnace (High-Temperature Vacuum Type) delivers ±0.1°C control below 1000°C and vacuum capability to 1.33×10⁻⁴ Pa, making it suitable for high-temperature heat treatment in materials science and metallurgy, though its 1100–1200°C operating range and 70°C/min recommended ramp rate impose practical limits on ultra-high-temperature or rapid-cycling applications.
Positive
- High-precision temperature control: PID control with ±0.1°C precision below 1000°C and ±1°C above 1000°C ensures reproducible thermal profiles for sensitive heat-treatment experiments.
- Vacuum atmosphere capability: Compatible vacuum system reaching 1.33×10⁻⁴ Pa no-load vacuum enables controlled-atmosphere processing, essential for oxidation-sensitive materials.
Trade-offs
- Limited maximum operating temperature: With a maximum operating temperature of 1150°C (1200°C series), the furnace cannot support processes requiring temperatures above 1200°C, restricting use to lower-temperature heat treatments.
- Slow recommended heating rate: Recommended heating rate is ≤70°C/min, which may extend cycle times for processes requiring rapid thermal ramping, potentially reducing throughput in high-volume applications.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
