Dongyue Industry Co., Ltd. specializes in manufacturing all kinds of gauge glass for more than 10 years. We have professional technicians, skillful workers, professional salesman and advanced machines. We can promise to supply high quality gauge glass with accurate dimension, polished surface, well ground edge, high pressure and temperature resistance and stable chemical property.Why choose our gauge glass?High working pressure.Our thick wall sight glass is designed for high pressure environment. It can work in pressure as high as 500 bars.High working temperature. The gauge glass made of borosilicate and quartz glass material is suitable to high working temperature. The borosilicate gauge glass highest working temperature is 600 °C. The quartz gauge glass can work in 1000 °C for a long time.Corrosion resistance. Gauge glass has stable chemical property. It&＃39;s acid and alkali resistance ability is much better than stainless steel material.Clear liquid level. We find ways to make the liquid level clear for reading. Our reflex gauge glass and tubular gauge glass with red line make the liquid level clear for reading directly or by industry television.No contamination to liquid. Glass material is stable and will not contaminate the liquid in the container which suits for drinking water tanks.Friendly to environment.Long using life.Contact us immediately if you are interested in any of our gauge glass. And you can email us at sales at gauge-glass dot com if you have any questions.