Tube Furnace
High Pressure Laboratory Vacuum Tube Furnace Quartz Tubular Furnace
Item Number : KT-PTF
Price varies based on specs and customizations
- Max. temperature
- 1100℃
- Rated positive pressure
- 15 Mpa (at ambient temp), 4 Mpa (at 800°C)
- Temperature control accuracy
- ±1℃
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KINTEK High Pressure Tube Furnace
KINTEK's High Pressure Tube Furnace is a specialized system designed for advanced material processing in diverse industries, including metallurgy, glass, heat treatment, and cutting-edge laboratory research. Engineered for reliability and precision, this furnace allows for operations under controlled high-pressure atmospheres or high vacuum conditions, making it ideal for processes like powder sintering, crystal growth, and material testing under extreme environments. It ensures sample integrity by preventing contamination, supported by high-quality heating elements and precise control systems.
Detail & Parts

Engineered for Precision, Reliability, and Safety
Our High Pressure Tube Furnaces are designed with cutting-edge features to deliver exceptional performance and meet rigorous experimental demands:
- Robust Performance Under Extreme Conditions:
- Operate with confidence using positive pressures up to 15Mpa at ambient temperature (4Mpa at 800°C).
- Achieve working temperatures up to 1100°C, thanks to the durable high-temperature nickel-based super alloy furnace tube.
- Precise Control & Versatility:
- Maintain process integrity with versatile atmosphere control, supporting both controlled atmospheres (including flammable gases) and high vacuum conditions (up to 10E-5 torr).
- Benefit from sophisticated gas distribution technology for accurate control of atmosphere dew point.
- Ensure accurate temperature regulation with PID programmable control (±1℃ accuracy) and stable heating.
- Precisely manage pressure with a digital positive pressure meter, featuring over-pressure alarming.
- The PTF Pro model offers an advanced 7-inch TFT touch screen controller for intuitive program setting, history data analysis, multi-program presets, and power failure restarting functionality.
- Supports remote control and centralized control for convenient operation and monitoring.
- Multiple independently controlled temperature zones allow for precise heating and cooling profiles (customizable).
- Enhanced Safety & Durability:
- Automatic pressure release system activates when the set pressure value is reached, preventing over-pressurization.
- Comprehensive safety features include over-current protection, over-temperature alarming, and automatic power-off.
- Built-in thermocouple break detection stops heating and triggers an alarm if failure is detected.
- The furnace tube flange seal employs a solid copper O-ring, adapting to both negative and positive pressures for extended service life.
- A double furnace shell design with forced air cooling keeps the furnace surface temperature low, enhancing operator safety and comfort.
- Ease of Use & Maintenance:
- Modular construction facilitates straightforward maintenance and replacement of parts, minimizing downtime.
Versatile Applications
The KT-PTF High Pressure Tube Furnace is indispensable for a wide range of applications across various industries and research fields:
- Annealing: Soften materials, improve machinability, and relieve internal stresses.
- Brazing: Join metals by melting a filler metal into the joint under controlled conditions.
- Calcining: Process minerals and ores to remove volatile substances.
- Ceramics: Essential for firing and sintering advanced ceramic materials.
- Cleaning: Effective for thermal cleaning of parts and materials.
- Crystal Growth: Facilitate the controlled growth of high-quality crystals.
- Firing: Critical for hardening materials in the ceramic and glass industries.
- Glass Processing: Used in the production and shaping of specialized glass products.
- Gradient Work: Create materials with varying compositions or properties.
- Heat Treating: Enhance the mechanical properties of metals and alloys under specific atmospheres.
- Laboratory Research: Provide a precisely controlled environment for diverse scientific experiments.
- Materials Testing: Evaluate material properties and behaviors under high temperatures and pressures.
- Melting: Ideal for melting metals and alloys for casting or further processing.
- Powder Metallurgy: Process metal and ceramic powders, including sintering under pressure.
Advanced Operating Principle
The High Pressure Tube Furnace operates under a controlled atmosphere or high vacuum conditions. It utilizes a high-temperature nickel-based super alloy furnace tube designed to withstand both high temperatures (up to 1100°C) and significant pressures (up to 15 Mpa at ambient temperature, 4 Mpa at 800°C). The integrity of the system is ensured by a robust furnace tube flange seal using a solid copper O-ring, suitable for both negative and positive pressure applications, ensuring longevity and reliable performance.
Technical Specifications
| Furnace model | KT-PTF | KT-PTF Pro |
| Temperature controller | Digital PID controller | Touch screen PID controller |
| Multi program preset | no | yes |
| Power failure restarting | no | yes |
| Max. temperature | 1100℃ | |
| Constant work temperature | 1000℃ | |
| Furnace tube material | Super nickel based alloy | |
| Furnace tube diameter | 50 / 60 / 80 / 100 mm (Customizable) | |
| Heating zone length | 300 / 450 / 600 / 800 mm (Customizable) | |
| Heating zone quantity | 1-10 zones (Customizable) | |
| Vacuum sealing solution | SS 304 flange with solid copper seal ring | |
| Rated vacuum pressure | 0.001Pa/10E-5 torr | |
| Rated positive pressure | 15 Mpa (at ambient temp), 4 Mpa (at 800°C) | |
| Chamber material | Japan Al2O3 alumina fiber | |
| Heating element | Cr2Al2Mo2 wire coil | |
| Temperature sensor | Built-in K type Thermocouple | |
| Temperature control accuracy | ±1℃ | |
| Temperature uniformity | ±5℃ (in constant temperature zone) | |
| Electric power supply | AC110-220V, 50/60HZ (Customizable) | |
| Other super nickel based alloy tube sizes and heating zone lengths can be customized. | ||
Standard Package
| No. | Description | Quantity |
| 1 | Furnace Main Body | 1 |
| 2 | High-Pressure Alloy Tube | 1 |
| 3 | Vacuum Flanges with Gas/Vacuum Ports & Pressure Gauge | 2 sets |
| 4 | Tube Thermal Blocks/Plugs | 2 |
| 5 | Tube Thermal Block Hook | 1 |
| 6 | Heat Resistant Gloves | 1 pair |
| 7 | Operation Manual | 1 |
Note: Package contents may vary slightly based on model and customization. An alumina tube is typically included for non-pressure or lower-pressure applications if specified.
Optional Setups for Enhanced Functionality
- In-tube gas detecting and monitoring systems (e.g., for H2, O2).
- Independent furnace temperature monitoring and recording capabilities.
- RS 485 communication port for PC remote control and data exporting.
- Precise control of inert gas feeding flow rates using mass flowmeters or float flowmeters.
- Upgrades to different models of touch screen temperature controllers with versatile operator-friendly functions.
- Comprehensive high vacuum pump station setups, including vane vacuum pumps, molecular pumps, or diffusion pumps.
Why Partner with KINTEK for Your High-Temperature Needs?
Leveraging exceptional R&D and in-house manufacturing, KINTEK provides diverse laboratories and industries with advanced high-temperature furnace solutions. Our extensive product line, including Muffle Furnaces, Tube Furnaces (like this High Pressure model), Rotary Furnaces, Vacuum & Atmosphere Furnaces, and specialized CVD/PECVD/MPCVD Systems, is backed by our strong deep customization capability. We are committed to precisely meeting your unique experimental and production requirements, ensuring you receive a furnace that perfectly aligns with your application needs.
Request Your Custom High Pressure Tube Furnace Solution
Ready to elevate your research or industrial processes with a high-performance High Pressure Tube Furnace? Discuss your specific requirements with our experienced engineers. We specialize in tailoring solutions to meet your exact needs, from tube dimensions and heating zones to advanced control features.
Contact us today for a personalized consultation and quote! Fill out the form below or click here to jump to our contact form.
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FAQ
What Are The Main Applications Of A Vacuum Furnace?
What Is A Tube Furnace And How Does It Work?
What Is A Vacuum Induction Furnace?
What Is The Principle Of A Hot Press Furnace?
What Is An Atmosphere Furnace Used For?
What Are The Common Applications Of A Split Tube Furnace?
What Are The Main Applications Of A Rotary Tube Furnace?
What Are The Main Applications Of Multi-zone Tube Furnaces?
What Are The Key Features Of A Vacuum Furnace?
What Are The Main Applications Of Tube Furnaces?
What Are The Main Applications Of Vacuum Induction Furnaces?
What Are The Applications Of A Hot Press Furnace?
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What Are The Key Features Of A Rotary Tube Furnace?
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How Does A Vacuum Furnace Work?
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How Does An Atmosphere Furnace Work?
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What Is The Difference Between Hot Wall And Cold Wall Vacuum Furnaces?
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Why Is Temperature Control Important In Vacuum Induction Furnaces?
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What Makes KINTEK Tube Furnaces Special?
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How Does The Vacuum Environment Benefit Material Processing?
Product Datasheet
High Pressure Laboratory Vacuum Tube Furnace Quartz Tubular Furnace
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