OPW Visi-Flo® 1400 Series Sight Flow Indicators 1" Stainless Steel Unit with Delrim Propeller, Female NPT Threaded Ends

1400 Series VISI-FLO are designed for applications with a maximum operating pressure of 200 PSIG and/or temperature of 225F (107C).

Standard Features Exclusive 3-Year "No-Leak" Guarantee

VISI-FLO"™s innovative radial seal creates a constant and uninterrupted sealing force between the body and outside diameter of the glass lens. This sealing method provides a longer lasting and better seal than conventional flat seals.

Maintenance-Free Design

VISI-FLO"™s unique, bolt-on-body design requires no special maintenance or torquing sequence be followed to prevent leaks. This results in a safer, more reliable sight flow indicator than those units using tie rods to fasten lens and seal to body.

Dimensionally Interchangeable

Flanged VISI-FLO®s feature end-to-end dimensions that match Jacoby-Tarbox and Penberthy and other manufacturers"™ units. Available in 3/4", 2", 3", and 4".

Rated for Vacuum Service- up to 635 mm (25") at 85.5% vacuum. This equates to 12.3 PSI vacuum.