Metaglas
Metaglas – metal-fused sight glasses replace conventional sight glass discs as unexpected catastrophic failure and rupture are eliminated.
Metaglas is made of a series of sight-window products of unmatched strength and integrity. They are made by melting glass inside a metal ring. This results in the fusion of glass and metal. Upon cooling, the glass solidifies and the difference in the linear coefficient of thermal expansion between glass and metal then produces forces that create uniform compressive stress throughout the glass. Because the glass prevents the metal ring from shrinking to its theoretical size, it remains in tension.
This high degree of mechanically induced compressive stress makes METAGLAS the strongest and most secure glass for sight window or visual flow indicator applications.
![Metaglas® Type 82 For Screwed Sightglass Fittings Similar To Din 11851](https://cmctechnologies.net.au/wp-content/uploads/2023/10/METAGLAS®-TYPE-82-FOR-SCREWED-SIGHTGLASS-FITTINGS-SIMILAR-TO-DIN-11851.webp)
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