OPW VISI-FLO® 1400 & 1500 Series Sight Flow Indicators – Threaded

Call 800-876-2826 for current pricing.

Description

OPW has been manufacturing sight flow indicators for over 60 years. Our experience has led to many innovations in design and manufacturing, making VISI-FLO® the most thoroughly-engineered Sight Flow Indicator on the market. VISI-FLO’s are available in two series: the Standard 1400 Series, and the 1500 High-Pressure High-Temperature Series.

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.

Rated for Full Vacuum Service

Four Indicator Styles

  • Propeller – The best way to show flow of opaque liquids. Ideal for observation at a distance. Flow from right to left is standard. Specify if left to right flow is needed. Not recommended for flow rates above 100 GPM.
  • Bi-Directional Flapper – This indicator points in either direction to show you at a glance which way the liquid is flowing.
  • Bi-Directional Plain – When the color and clarity of your liquid are of prime importance.
  • Drip Tube – Ideal for gravity, extremely low or intermittent flow. Keeps product from dripping on the glass. Assures constant see-through for vertical lines.

On 2″ and Smaller Units – bottom PTFE spacer eliminates seal deformation due to pressure cycling.

Product Documentation

Technical Literature:

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