Sight glasses provide a clear view of product flow through process lines. Made with borosilicate glass and sealed with buna gaskets, various end configurations are available in: clamp, bevel seat, I-line, Q-line and John Perry.

Steel & O’Brien offers many styles of sight glass including bolt style and socket head cap screw style. Bolt style sight glasses can also be supplied with a protective acrylic shield to prevent breakage of the glass from inadvertent contact.