TT-VAF-20-1700 is a 1700°C vacuum atmosphere furnace designed for operation under both vacuum and controlled atmosphere conditions. It is well-suited for the heat treatment of hard alloys, ceramics, and powder metallurgy materials. Additional applications include vacuum quenching, annealing, processing of high-speed steel and alloy abrasives, brazing of soft magnetic materials, and other thermal treatment processes.
Hard Alloy Heat Treatment – Provides precise, high-temperature sintering, quenching, and annealing of hard alloys. Ensures superior hardness, wear resistance, and structural integrity for industrial applications.
Ceramics & Advanced Materials – Enables uniform high-temperature processing of technical ceramics, composites, and specialty materials under vacuum or protective gas conditions. Delivers excellent thermal resistance and mechanical stability.
Powder Metallurgy – Supports vacuum sintering and densification of metal powders into strong, homogeneous components. Reduces oxidation and contamination, ensuring high-quality, reproducible metallurgical results.
High-Speed Steel & Abrasive Tools – Facilitates annealing, quenching, and heat treatment of high-speed steels and alloy abrasives. Enhances cutting performance, durability, and precision in machining applications.
Magnetic Materials & Brazing – Provides controlled brazing of soft magnetic materials under vacuum or inert gas. Maintains purity and functional stability by eliminating oxidation and unwanted reactions.
Semiconductors & Electronics – Delivers precise thermal processing for semiconductor substrates, thin films, and electronic components. Supports oxidation, diffusion, and annealing critical to microelectronics and optoelectronics development.
Aerospace & Defense Engineering – Ensures reliable high-temperature treatment of advanced alloys, ceramics, and composite structures. Validates strength, stability, and performance under extreme aerospace and defense conditions.
Energy & Battery Research – Supports thermal processing of solid-state electrolytes, cathode/anode materials, and next-generation battery systems. Improves performance consistency, cycle life, and thermal stability.
Universities & Research Institutes – Ideal for advanced academic research in physics, chemistry, and materials science. Provides flexible programming, vacuum compatibility, and robust safety features for laboratory studies.
Industrial Quality Control & Certification – Offers traceable, audit-ready high-temperature processing for validation and compliance. Conforms with ISO, CE, SGS, and TÜV standards for regulated industries.
Furnace Shell
- Constructed from Q235 low-carbon steel with an anti-corrosive, electrostatically resistant surface.
- Durable tank-style metal shell designed to maintain a low external surface temperature.
- Side-opening door features a flange-type sealing structure with manual screw compression for easy and secure operation.
Refractory Material
- Features a multi-layer insulation system made of lightweight alumina ceramic fiber and other high-grade insulation boards. Free of asbestos, this design ensures minimal heat loss and reduced energy consumption.
Heating System
- Equipped with high-quality MoSi₂ rod heating elements installed securely on both sides of the chamber, providing efficient, free-radiation heating and extended service life.
- Dual-sided heating configuration ensures excellent temperature uniformity throughout the furnace.
Temperature Control Panel
- Uses PID control with SSR (solid-state relay) for precise temperature regulation.
- Includes a B-type platinum-rhodium thermocouple compliant with international standards, offering a temperature range of 50–1800°C and long operational life.
Program Controller
- Advanced controller supports complex thermal processing requirements.
- User-friendly interface with flexible, straightforward programming.
- Supports up to 30 programmable segments.
- Built-in over-temperature and fault alarms with automatic safety protection functions.
Vacuum Atmosphere Function
- The furnace chamber includes adjustable gas inlet and outlet ports, allowing the introduction of protective gases.
- Compatible with various vacuum pumps to achieve vacuum levels ranging from 500 Pa to 0.06 Pa. A digital vacuum gauge displays real-time vacuum readings.
- Optional gas circuit control unit available, supporting 1 to 3 adjustable float meters for gas flow control.
| Model | TT-VAF-1-1700 | TT-VAF-3-1700 | TT-VAF-8-1700 | TT-VAF-12-1700 | TT-VAF-20-1700 | TT-VAF-36-1700 | TT-VAF-45-1700 |
Chamber Size （W xD xH）mm | 100 x120x100 | 150 x150x150 | 200x200x200 | 200x300x200 | 250 x320x250 | 300x400x300 | 300 x500x300 |
| Rated Temperature | 1700℃ | ||||||
| Work Temperature | 1600℃ | ||||||
| Voltage | 220V/2KW (110V is also available) | 220V/4KW (110V is also available) | 220V/5KW (110V is also available) | 220V/6KW (110V is also available) | 220V/7KW (110V is also available) | 380V/13KW | 380V/18KW |
| Heating Element | U Type Silicon molybdenum rod | ||||||
| Chamber Materials | Polycrystalline inorganic alumina ceramic fiber material made by wet vacuum filtration methord | ||||||
| Temp control Accracy | ±1℃ | ||||||
| Thermcouple | B Type Platinum Rhodium Thermocouple | ||||||
| Temperature Controller | Intelligent microcomputer PID temperature control instrument, SCR/SSR control, PID parameter self-tuning function .Programmable 30 program segments for program heating, program heat preservation, program cooling | ||||||
| Heating Rate | 1-10℃/min can be adjustable | ||||||
| Furnace Structure | Furnace temperature control integrated structure | ||||||
| Equipment Protection | Modular control with sound and light alarm signal sending out for over temperature and thermocouple broken in the working process, and the protection action will be completed automatically | ||||||
| Safety Protection | The equipment is equipped with a circuit breaker, which will automatically pop open in case of short circuit leakage, which can protect the safety of equipment and operators | ||||||
| Furnace Shell | High-quality cold-rolled steel plate with CNC machine tool processing, then it will have the process of welding, grinding, polishing, phosphating, pickling, surface electrostatic spraying plastic powder | ||||||
| Quality Certificate | ISO9001 CE SGS TUV | ||||||
| Standard Device | 1、Furnace Main Body : 1 set 2、Temperature Controller : 1 pc 3、Power Line : 3 meters 4、Thermcouple : 1 pc 5、Operation manual ； 1 pc 6 Crucible Tong ； 1 pc 7、High Temperature Gloves : 1 pair | ||||||
| Optional Accessories | 1 .Optional with Rotary Vacuum Pump （Vacuum Degree Level ≤500pa） 2.Optional digital vacuum gauge （1.0×105-1.0×10-1pa） 3.Optional with gas float meter （Float flow rage 1-10L/min） | ||||||