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GG-17 glass, known for its low coefficient of thermal expansion, offers superior resistance to temperature fluctuations. This feature allows the pump to handle higher temperature differentials compared to similar models, resulting in enhanced durability and an extended service life. The pump is widely used in the electronics industry, including applications such as electron tubes, cathode ray tubes, X-ray tubes, and in the purification and smelting of monocrystalline silicon for semiconductors. It is also suitable for high-boiling oil distillation, purification and separation processes, fluorescent lamps, and vacuum flasks, as well as high-vacuum exhaust systems.
The working principle of the pump involves using a rotary vacuum pump to initially reduce the pressure to around 10–2 Pa. Then, the diffusion pump heats the oil to a boiling point, creating a high-speed jet of vapor that flows through the system. This vapor carries gas molecules from the system toward the pump’s bulb assembly, where they are condensed and removed. This process works in conjunction with a mechanical vacuum pump, gradually achieving a high vacuum level. The combination of these stages ensures efficient and reliable operation under extreme conditions.