Hygienic Sight Flow Indicators and Sight Windows

Jacoby-Tarbox offers a complete line of tubular and bulls-eye sight flow indicators manufactured specifically for pharmaceutical, bio-pharmaceutical, food, and other processing systems demanding cleanliness and maximum hygienic conditions.


The following video illustrates the minimal o-ring intrusion of the Jacoby-Tarbox® Hy-Sight™.



Low profile tubular glass design manufactured to ASME BPE dimension and design principles using a tightly tolerenced EHEDG inspired O-Ring capture. Tubular glass design using  Hy-Sight design criteria and allowing full 360° view of the cylinder.  Available in custom lengths.
One-piece Hygienic clamp-on window with crevice-free borosilicate glass to duplex stainless steel transition. Bulls-eye style design combining a custom cross and two Uni-San sight windows.