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BELOW GROUND PRODUCTS www. opwgiobal . com OPW 71SO Overfill Materials Important Prevention Valves In order to prevent product Valve Body: Cast aluminum i spillage from the Underground The CARE - certified OPW 71 SO Storage Tank (UST), properly 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 i. tight-fill adaptor are essential . underground storage tanks by providing Seals : Viton® I Delivery personnel should e managed and trained a positive shut- off of product delivery. Upper & lower Drop Tube : Aluminum bb 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 . e t missing parts. They should The OPW 71 SO allows easy installation Hardware : Stainless steel �CppQ `, always make certain there I , {I/; is a positive connection (without breaking concrete) and requires Ktjlf� between the adaptor and Features elbow. If deliver 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 s ecial manholes re ulred . coupled the adaptor, a P q serious spill may result when level rises to about 95 % of tank ♦ Economical — costs a fraction the DPW 71 SO closes, causing capacity, the valve mechanism is a hazard and environmental released , closing automatically with of expensive, complicated and contamination , the flow. This reduces the flow rate to difficult-to- install valves. ♦ Furnished Complete — supplied y i1 NOTE: The DPW 71 So is approximately 5 gpm through a bypass p PP valve. The operator may then stop the with new upper and lower drop tubes, ! designed for use on tight fill 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. i fill applications. exceeds the 95 % level , the valve will ♦ 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 is not 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 ♦ Best Flow Rate in The Industry * into the tank until the level drops below a reset point. for Gauging * OPW Test Lab results NOTE : The 71 SO Overfill Prevention Valve can be adjusted to shutoff at any Advantages of Overfill Prevention JAN 3 2019 desired tank capacity. Please contact the Compared to Overfill Warning Systems : Authority Having Jurisdiction (AHJ) and ♦ 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 ♦ 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 tank tilt. In all cases, the upper tube ♦ Keeps the Top of UST " Dry, " accompanies the valve shut- off must protrude into the tank at least per EPA Requirements — provides a clear signal that the 6 1 /2 " 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 ♦ Simple and Inexpensive the top of the tank is wetted as per double containment on vent lines. Installation — in both two-point 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 vent piping are required . Number : H15524PA L Look for this label for Listings and 0— U C /�IM authentic OPW EVR California Air L Approved products. Certifications Resources Board o OPW 71SOM is EVR Approved for E85