Tube Furnace
High Temperature 1700C Split Tube Furnace with Vacuum Flanges Valves and 60mm Alumina Tube
Item Number: TU-76
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Product Overview



This high-temperature split tube furnace represents the pinnacle of thermal processing technology for material science and industrial research. Engineered to reach operating temperatures up to 1700°C, this system provides a flexible and robust platform for sintering, annealing, and chemical vapor deposition. The core value proposition lies in its unique split-able design, which balances high-thermal performance with unprecedented ease of access, allowing for rapid tube replacement and simplified sample loading without compromising the integrity of the vacuum seal.
Designed specifically for the rigorous demands of laboratory and R&D environments, the equipment excels in multi-gas and vacuum applications. By integrating high-quality alumina tubes with expertly machined stainless steel flanges, the unit ensures a contamination-free environment essential for sensitive material synthesis. Whether utilized in semiconductor research, advanced ceramics, or metallurgical analysis, this furnace provides a consistent, repeatable thermal environment that enables researchers to push the boundaries of materials engineering.
Reliability is at the heart of this unit's construction. Featuring a double-layer steel casing and high-purity fibrous alumina insulation, the system is built to maintain external safety while providing internal thermal stability. The use of premium heating elements and a sophisticated control interface ensures that even the most complex 30-segment thermal profiles are executed with exact precision. This equipment is a long-term investment for any facility requiring dependable performance under extreme thermal conditions and strict atmospheric requirements.
Key Features
- Programmable PID Temperature Control: The advanced digital controller provides 30 programmable segments for ramping, cooling, and dwelling, ensuring +/- 1°C accuracy through full-cycle thermal processing. This precision is vital for phase transformation studies and sensitive crystal growth where temperature fluctuations must be minimized.
- Optimized Split-Chamber Engineering: The longitudinal split design allows the furnace body to open, providing immediate access to the alumina tube. This facilitates faster cooling, simplified tube maintenance, and easier integration of complex experimental setups without disturbing the internal vacuum or gas connections.
- MoSi2 High-Performance Heating Elements: This system utilizes 16 high-grade Molybdenum Disilicide (MoSi2) heating elements, which are capable of reaching 1700°C rapidly. These elements are coated with a specialized refractory material to extend their operational life and maintain consistent heating performance across hundreds of cycles.
- Sophisticated Vacuum Sealing System: Featuring stainless steel vacuum sealing flanges with built-in needle valves and a high-resolution vacuum gauge, the unit enables researchers to achieve vacuum levels as low as 10^-5 torr. Small-diameter KF25 adapters allow for seamless connection to various pumping systems and gas-handling hardware.
- Enhanced Thermal Efficiency and Safety: The double-shell steel casing incorporates air-cooling technology, ensuring the exterior surface remains below 60°C even at maximum internal temperatures. High-purity fibrous alumina insulation further maximizes energy saving and prevents localized heat loss.
- Protective Refractory Coating: To combat the oxidative and corrosive effects of high-temperature processing, the furnace liner and heating elements are treated with a specialized coating. This defensive layer significantly enhances the durability of the hot zone components, making the equipment suitable for demanding industrial duty cycles.
- Comprehensive Monitoring Interfaces: The equipment features a default DB9 communication port, supporting optional PC-based control and monitoring. This allows for real-time data logging and remote modification of heating parameters, which is essential for audit-trailed R&D processes and complex thermodynamic profiling.
- Integrated Radiation Blocking: Provided with two sets of fibrous ceramic tube blocks, the system effectively shields the vacuum flanges and O-rings from internal heat radiation. This protective measure is critical for maintaining the integrity of seals during long-duration runs at temperatures exceeding 1500°C.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Advanced Ceramics Sintering | High-temperature densification of alumina, zirconia, and silicon carbide powders under controlled atmospheres. | Achievement of high theoretical density with minimal grain growth. |
| CVD / PECVD Processes | Synthesis of thin films, nanotubes, and nanowires using gas-phase precursors at high temperatures. | Uniform film deposition and precise control over gas flow and reaction heat. |
| Metallurgical Annealing | Stress-relieving and grain structure modification of specialized alloys in vacuum or inert gas. | Prevents oxidation and decarburization during critical heat treatment phases. |
| Crystal Growth | Utilization of the 140mm constant temperature zone for synthesizing high-quality single crystals. | Highly stable thermal gradients required for uniform crystal lattice formation. |
| Semiconductor Research | Thermal processing of silicon wafers or compound semiconductors in oxygen-free environments. | High-purity alumina tube prevents metallic contamination during doping or activation. |
| Battery Material R&D | Synthesis and calcination of cathode and anode materials for lithium-ion and solid-state batteries. | Consistent thermal profiles ensure batch-to-batch uniformity of electrochemical properties. |
| Atmosphere Simulation | Testing of aerospace or industrial components under specific gas compositions and thermal paths. | Robust sealing allows for precise replication of extreme environmental conditions. |
Technical Specifications
| Parameter | Specification Details for Item TU-76 |
|---|---|
| Model Identifier | TU-76 (Available in 60mm, 80mm, and 100mm Configurations) |
| Alumina Tube Dimensions | Standard: 60mm O.D x 54mm I.D x 1000mm L (TU-76-60) |
| Optional: 80mm O.D (TU-76-80) or 100mm O.D (TU-76-100) | |
| Maximum Temperature | 1700°C (Requires inert gas/vacuum to resist tube deformation) |
| Continuous Temperature | 1500°C Continuous; 1600°C for sessions < 1 Hour |
| Heating Rate | 10°C per minute maximum |
| Heating Zone Length | 400mm Total; 140mm Constant Temperature Zone (+/- 1°C) |
| Heating Elements | 16 units of High-Grade MoSi2 1800 Grade Elements |
| Temperature Control | PID Controller with 30 programmable segments and auto-tune |
| Control Accuracy | +/- 1 ºC |
| Input Voltage / Power | 208 - 240VAC Single Phase; 7 KW (Requires 40A Breaker) |
| Vacuum Level | 10^-2 Torr with Mechanical Pump; 10^-5 Torr with Turbo Pump |
| Leak Rate | < 5 mtorr / minute |
| Flange Assembly | Stainless Steel with needle valves, vacuum gauge, and KF25 adapters |
| Safety Features | Over-temperature alarm; Thermocouple failure alarm; Air-cooled casing |
| Compliance | CE Certified (NRTL/UL61010/CSA optional) |
| Casing Construction | Double-layer steel with air cooling (<60°C surface temp) |
| Power Connection | 10ft 10-3 AWG UL approved cable (Plug not included) |
Why Choose This Furnace
Investing in this furnace system provides your laboratory with a versatile and durable solution for high-temperature material research. The combination of high-purity alumina components and MoSi2 heating elements ensures that the system can handle daily high-intensity cycles without significant degradation. Unlike standard box furnaces, the split-tube configuration offers the atmospheric control required for oxygen-sensitive or reactive processes, making it a versatile tool for any modern material science lab.
Quality assurance is built into every component. From the CE-certified electronics to the precision-machined stainless steel flanges, the equipment is designed to meet stringent international standards. This commitment to quality translates to lower downtime, more reliable data, and a longer equipment lifespan. Our modular approach also allows for future upgrades, including computerized control systems and advanced vacuum stations, ensuring your facility stays at the cutting edge of technology.
Finally, the support infrastructure for this system is unparalleled. We provide comprehensive documentation, temperature profile calibration results, and expert technical guidance on everything from gas regulator installation to vacuum flange maintenance. This ensures that your team can achieve operational proficiency quickly and maintain the equipment effectively over its service life.
Contact our technical sales team today for a comprehensive quote or to discuss customization options for your specific thermal processing requirements.
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