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+t + . a • 1 • c "tv—erg• .... _ i`r t e e,� . • i t y y+ a r y <br />• • y t e l ,t p t <br />t r t} �k6 # `! eyy y • • W <br />4 3 <br />o- Materials <br />Important <br />ylth`."�ii"' <br />M t t yi `•" � � � } + <br />r t "y:r. r• x <br />r <br />{ i <br />In order to prevent product <br />spillage from the Underground <br />Storage Tank (UST), properly <br />maintained delivery equipment <br />and a proper connection at the <br />tight -fig adaptor are essential. <br />Delivery personnel should be <br />managed and trained to inspect <br />delivery elbows and hoses for <br />damaged and missing parts. <br />They should always make <br />certain there is a positive <br />cti b iw the d <br />Features <br />tonne one can a aptor <br />and elbow. If delivery equipment <br />O Simple, Easy and Quick Installation <br />is not property maintained, or the <br />elbow is not securely coupled <br />— no excavation or special manholes <br />to the adaptor, a serious spill <br />required. <br />may result when the DPW 71 SO <br />closes, causing a hazard and <br />O Economical — costs a fraction of <br />environmental contamination. <br />expensive, complicated and difficult- <br />NOTE: The OPW 71SO is <br />to -install valves, <br />designed for use on tight -fill <br />gravity drop applications only. <br />® Furnished Complete — supplied <br />Do not use for pressure fill <br />with new upper and lower drop tubes, <br />applications. <br />mounting hardware and thorough <br />instructions for quick job site time. <br />• Completely Automatic Operation — no <br />Retrofits. Directly — for both new and <br />prechecks to perform, no resets and no <br />existing tanks with 4" fill risers. <br />overrides to be broken or abused. <br />® Quick Drain Feature — automatically <br />® No Pressurization of the Tank — <br />drains hose when head pressure is <br />operates_directly from liquid level. _ <br />relieved. <br />® Will Accept a Dipstick for Gauging <br />♦ Best Flow Rate in The Industry* <br />* Test -witnessed by Bowser-Morner, Inc., an independent laboratory. Results available upon <br />.et.o�r <br />Listings and —_ Look for this label. for <br />- ULIG authentic OPW M <br />Certifications Resources`'�� = i Approved products. <br />11 <br />The CARB-cerlifed OPW 71 SO <br />vapor -tight Overfill Prevention Valve <br />is designed to prevent the overfill of <br />underground storage tanks by providing <br />a positive shut-off of product delivery. <br />The shut-off valve is an integral part of <br />the drop tube used for gravity filling. The <br />OPW 71SO allows easy installation <br />(without breaking concrete) and requires <br />no special manholes. <br />The OPW 71 SO is a vapor -tight two= . <br />stage shut-off valve. When the liquid <br />level rises to about 95% of tank capacity, <br />the valve mechanism is released, <br />closing automatically with the flow. This <br />reduces the flow rate to approximately <br />5 gpm through a bypass valve. The <br />operator may then stop the filling <br />process and disconnect and drain the <br />delivery hose. As long as the liquid <br />exceeds the 95% level, the valve will <br />close automatically each time delivery <br />is attempted. <br />If the delivery is not stopped and <br />the liquid rises to about 98% of tank <br />capacity, the bypass valve closes <br />completely. No additional liquid can flow <br />into the tank until the level drops below <br />a reset point. <br />Number: H15524PA <br />® _ - <br />A U1NBQ COMAAW <br />L7 <br />