Sight Glasses

Our sight glasses are constructed of heavy duty brass that feature (2) high impact lexan windows on either side so that flow can be accurately viewed.  Typical use is for the sprinkler systems inspectors’ test trim.  Available in straight (full flow) or restricted orifice patterns.

Part Number Size Finish
SIGHTGLASS1 1" F NPT x 1" M NPT Brass
SIGHTGLASS1R 1" F NPT x 1" F NPT (with ½" orifice) Brass
SIGHTGLASS125 1¼" F NPT X 1¼" M NPT Brass
SIGHTGLASS2 2" F NPT x 2" F NPT Brass