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71 SO Overfill Prevention Valve • Page 2 of 8 <br /> • Valve: Aluminum <br /> • Seals: Viton4x <br /> • Upper& lower drop tube: Aluminum <br /> • Plastic parts: Acetal <br /> • Hardware: Stainless steel <br /> Advantages of Overfill Prevention Compared to Overfill Warning Systems: <br /> • Completely Automatic Operation- does not rely on the alertness or speed of response of <br /> the delivery attendant for certainty of overfill prevention. <br /> • Keeps the Top of UST"Dry," per EPA Requirements-eliminating possible leaks at loose <br /> bung fittings and the need for double containment on vent lines. <br /> • Does Not Rely on Pressure in the UST to Stop Flow-allowing faster fill times and reducing <br /> spill risk. <br /> • Speeds Delivery Operations - product flows unimpeded into the tank until the hose "kick" <br /> that accompanies the valve shut-off provides a clear signal that the liquid has reached the <br /> shut-off level. <br /> • Simple and Inexpensive Installation- in both two-point and coaxial fill applications, no <br /> additional excavation, manholes or vent piping are required. <br /> Features <br /> • Simple, Easy and Quick Installation - No excavation or special manholes required. <br /> • Economical - Costs a fraction of expensive, complicated and difficult-to-install valves. <br /> • Furnished Complete -Supplied with new upper and lower drop tubes, mounting hardware <br /> and thorough instructions for quick job site time. <br /> • Completely Automatic Operation - No pre-checks to perform, no resets, and no overrides to <br /> be broken or abused. RECEIVED <br /> • No Pressurization of the Tank- Operates directly from liquid level. dJ ®Y/ <br /> • Will Accept a Dipstick for Gauging. DEC 10 206 <br /> • Retrofits Directly- For both new and existing tanks with 4"fill risers. ENV IRON MPN?A I <br /> Weal Tw nro=TMc_ iT <br /> • Quick Drain Feature -Automatically drains hose when head pressure is relieved. <br /> • Best Flow Rate in The Industry.* <br /> http://www.opwglobal.com/products/us/retai l-fueling-products/below-grou... 12/10/2015 <br />