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Requirements for high temperature resistant sight glass

Requirements for high temperature resistant sight glass

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Requirements for high temperature resistant sight glass
1. Transparency. As a kind of observation glass, high transparency is necessary for clear observation.
2. Good thermal performance. The thermal performance here mainly includes temperature resistance and thermal stability. Temperature resistance refers to that the glass can bear a certain temperature without affecting its service performance. The temperature resistance value includes long-term high temperature resistance and short-term high temperature resistance. Thermal stability refers to that it can bear a certain range of temperature changes without cracking. Thermal stability is also called quench and quench. The working temperature of the high temperature resistant observation hole glass is 300 ℃, 500 ℃, 1000 ℃, 1500 ℃, etc., and the extremely cold and hot temperature difference is 200 ℃, 300 ℃, 750 ℃, 1100 ℃.
3. High mechanical strength. For pressure equipment, the high-temperature resistance observation hole glass needs to have certain mechanical strength. The mechanical strength here usually refers to the compressive strength. The compressive strength is directly related to the material of the glass, the size of the layout and the thickness of the glass. For example, the glass installed on the observation hole on the high-temperature and high-pressure reactor needs to have high-temperature and high-pressure resistance, and the pressure resistance of Jintai high-temperature observation hole glass can reach 30MPa.
In addition, the high temperature resistant observation hole glass also needs to have processability, optical properties, chemical properties, corrosion resistance and so on.
high temperature resistant sight glass, clear observation glass, observation hole glass
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