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41 OPW 71SO Overfill Materials Important Prevention Valves , In order to prevent product Valve Body: Cast aluminum [ spillage from the Underground Storage Tank (UST), properly The CARE certified OPW 7150 Float: Nitrile rubber, closed cell foam I maintained delivery equipment vapor-tight Overfill Prevention Valve Valve : Aluminum and a proper connection at the is designed to prevent the overfill of t 4 tight-fill adaptor are essential. underground storage tanks by providing Seals : Viton' Delivery personnel should 6 be managed and trained a positive shut-off of product delivery. Upper & lower Drop Tube: Aluminum to inspect delivery elbows The shut-off valve is an integral part of Plastic parts : Acetal and hoses for damaged and the drop tube used for gravity filling . 0 ' t missing parts. They should Hardware : Stainless steel CAI always make certain there The OPW 71 SO allows easy installation I 1 1 is a positive connection '1 i1ltt ' between the adaptor and (without breaking concrete) and requires P F81tUr(' S elbow. If delivery equipment no special manholes. ® Simple, Easy and Quick is not properly maintained, The OPW 71 SO is a vapor-tight two- Installation — no excavation or or the elbow is not securely stage shut-off valve. When the liquid coupled pi the adaptor, a g q special manholes required . serious spin may result when level rises to about 95% of tank Economical — costs a fraction the DPW 7150 closes, causing capacity, the valve mechanism is a hazard and environmental of expensive, complicated and contamination. released, closing automatically with difficult-to install valves. the flow. This reduces the flow rate to approximately 5 m through a bypass Furnished Complete — supplied f. NOTE: The OPW 71 SO is pp y gp g Yp designed for use ontight-fill valve. The operator may then stop the with new upper and lower drop tubes, gravity drop applications only, filling process and disconnect and drain mounting hardware and thorough Do not use for pressure the delivery hose. As long as the liquid instructions for quick job site time. fill applications. exceeds the 95% level, the valve will so� Completely Automatic Operation close automatically each time delivery — no prechecks to perform, no resets ® Retrofits Directly — for both new is attempted . and no overrides to be broken and existing tanks with 4 " fill risers. if the delivery isnot stopped and the or abused . Quick Drain Feature — liquid rises to about 98 % of tank � No Pressurization of the Tank — automatically drains hose when head capacity, the bypass valve closes operates directly from liquid level . pressure is relieved. completely. No additional liquid can flow ®, Will Accept a Dipstick 4$� Best Flow Rate in The Industry* into the tank until the level drops below for Gauging a reset point. • OPW Test Lab results NOTE : The 71 SO Overfill Prevention Valve can be adjusted to shutoff at any Advantages of Overfill Prevention desired tank capacity. Please contact the Compared to Overfill Warning Systems: Authority Having Jurisdiction (AHJ) and o Completely Automatic faster fill times and reducing review local, state, and national codes to Operation - does not rely on the spill risk. determine the regulatory requirements alertness or speed of response of the 4> Speeds Delivery Operations governing shut-off capacity in your delivery attendant for certainty of — product flows unimpeded into region, as well as take into account overfill prevention . the tank until the hose " kick " that other considerations such as extreme 4. Keeps the Top of UST " Dry," accompanies the valve shut-off tank tilt. In all cases, the upper tube must protrude into the tank at least per EPA Requirements — provides a clear signal that the 6112 to ensure that the valve can shut eliminating possible leaks at loose liquid has reached the shut-off level . off flow into the tank completely before bung fittings and the need for o Simple and Inexpensive uble containment on vent lines. Installation mon* both two-point the top of the tank is wetted as per do EPA requirements. + Does Not Rely on Pressure in and coaxial fill applications, no the UST to Stop Flow - allowing additional excavation, manholes or 71 SO Instruction Sheet Order I vent piping are required . Number: H15524PA [ Loot; for this label for Listings ando authentic OPW EvilUL(; ►W+ ti Approved products. Certifications aeiouues 6o id or� w . OPW 7150 is EVR Approved for E85 704 , p /r 5111 3