A borosilicate sight glass fused to a metal ring. A unique combination of glass and metal places the glass in compression, creating an amazingly strong and reliable sight glass. Metaglas® is the No. 1 selling sight glass, installed in more locations around the world. Clamp-style, bolt-on, weld-on, and threaded models available.
The strongest, safest, most reliable sight glass.
Design eliminates ferrule dead lag.
Sight glass window designed for full-face connection to an ANSI flange.
Sight glass disc for DIN28120 and other weld-type sight glass assemblies.