Sight Flow Products OPW offers a complete line of sight flow indicators, including the popular VISI-FLO® series. OPW’s sight flow indicators provide a quick, reliable and inexpensive way to verify flow rate and direction, and monitor color and clarity in fluid lines. Available in a variety of sizes, styles and materials for a wide range of industrial applications, all OPW sight flow indicators are tested to 1-1/2 times rated pressure to ensure maximum reliability in harsh operating conditions. |
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