OPW Engineered Systems

OPW Engineered Systems

OPW Engineered Systems 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. Flow Controls, Inc. has been a distributor for OPW Engineered Systems since 1990.


Products

  • Visi-Flo Sight Flow Indicators
  • Propeller, Bi-Directional Flapper or Plain & Drip Tube Design
  • NPT & Flanged Designs In Sizes 1/4" To 12"