Borosilicate Glass Discs, Panels & Tubes. More resistant to thermal shock than tempered glass. Cut to size and Heat Treated as required.

Model B Sight Glass is the most versatile sight window on the market. High pressure and temperature. Flange or weld pad connection.

Model i Sight Glass is an economical design for service in aggressive chemical environments. Available in flange or weld pad connections.

Model L Sight Glass is one of our most economical designs for the majority of sight window applications. Flange or weld pad connection.

The Model S Flange sight glass combines the lowest cost on the market with the ease of installation.

X150 our low-cost alternative that retains the technical advantages of our premium offerings.

Bull's Eye sight windows are for smaller sizes with essentially unlimited connection options.

Oblong windows offer a large field of view and a vertical span. Useful for quickly checking liquid levels and the processes inside.

For sanitary connections, the economical Type III design affords a large view. Type I and II use a threaded cap that allows for easy re-sealing.

Hinged Closure is a sight window built into a pressure door, providing physical access to the process.

T-Bolt Hinge Closures.  Sizes: 8" thru 48" Diameters

DuraPort Sanitary See-Thru Fused

DuraPort Sanitary Fused

DuraPort Threaded See-Thru Fused

Duraport Flanged See-Thru

DuraPort Weld-In Fused

DuraPort Full Face Flange Fused

DuraPort Raised Face Flange Fused