Plast-O-Matic Valves, Inc. Datasheets for Sight Windows

Sight windows are an effective and economical way of viewing tank, pressure vessel and piping systems interiors. They are also referred to as sight glasses.
Sight Windows: Learn more

Product Name Notes
Series GL Double-wall cylinder for liquids compatible with Pyrex inner wall. 1/2″ or 3/4″ sizes, NPT or socket connections in PVC, PTFE, or polypro. BSP sizes also available. Standard lengths...
Series GX Single-wall sight glass for liquids compatible with acrylic. 1/2″ – 3″ sizes, NPT or socket connections in PVC or polypro. Fluttering streamers optional. Series GY Double-wall sight glass...