
Bright Vacuum Annealing Furnace
This tube furnace uses resistance wire as heating element, phase shift trigger, thyristor control, furnace chamber uses alumina polycrystalline fiber material, furnace tube uses high-purity quartz tube, both ends are sealed with stainless steel flanges, flanges are supported by stainless steel brackets, double-layer furnace shell is equipped with air cooling system, can quickly rise and fall temperature. This furnace has the advantages of a balanced temperature field, low surface temperature, fast temperature rise and fall rate, energy saving, etc. It is suitable for colleges and universities, scientific research institutes, industrial and mining enterprises to do high-temperature atmosphere sintering, atmosphere reduction, CVD experiments, vacuum annealing, etc.
Furnace size (mm) | Operating temperature (°C) | Vacuum degree | Power (KW) | Voltage | Heating elements | Heating rate |
φ60*2200 | 1100°C | 6.67*10-4PA | 20 | 380V | Resistance wire | 1-10°C/MIN |
φ80*2200 | 20 | |||||
φ100*2200 | 20 | |||||
φ120*2200 | 26 | |||||
φ200*2200 | 35 | |||||
φ300* 2200 | 60 | |||||
φ400*2200 | 90 |


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A vacuum furnace is a high-tech industrial oven used for heat treatment processes, primarily in the manufacturing and processing of metals, ceramics, and other materials. The furnace operates in a controlled vacuum environment, meaning that the air is removed from the chamber, creating a low-pressure atmosphere. This unique condition allows for specific and often superior material properties to be achieved during the heating process. Let’s dive deeper into the purpose of a vacuum furnace and why...