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BELOW GROUND PRODUCTS www. opwgiobal . com J OPW 7150 Overfill Materials Important Prevention Valves In order to prevent product Valve Body : Cast aluminum spillage from the Underground The CARB - certifled OPW 71 SO Storage Tank (UST), properly Float : Nitrile rubber, closed cell foam maintained delivery equipment vapor-tight Overfill Prevention Valve and a proper connection at the Valve : Aluminum is designed to prevent the overfill of 1 tight fill adaptor are essential . underground storage tanks by providing Seals : Viton® f 4 Delivery personnel should a positive shut- off of product delivery. Upper & lower Drop Tube : Aluminum be managed and trained i 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 . e ' , missing parts. They should Hardware : Stainless steel %a always make certain there The OPW 71 SO allows easy installation VRf is a positive connection (without breaking concrete) and requires r�;rl1,.71+Features between the adaptor and no special manholes. elbow. If delivery equipment ♦ 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 uired . coupled the adaptor, a p q serious spill may result when level rises to about 95 % of tank ♦ Economical — costs a fraction the OPW 7150 closes, causing capacity, the valve mechanism is of expensive, complicated and a hazard and environmental , released , closing automatically with p p contamination . the flow. This reduces the flow rate to difficult-to- install valves . approximately 5 gpm through a bypass ♦ Furnished Complete — supplied it NOTE : The OPW 7150 is valve. The operator may then stop the with new upper and lower drop tubes, designed for use on tight fill p y P 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 ♦ 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 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 response ors speed of res of the governing shut- off capacity in your p p ♦ Speeds Delivery Operations region , as well o take into account delivery attendant for certainty of — product flows unimpeded into other considerations such as extreme overfill prevention . the tank until the hose " kick " that tank tilt. In all cases, the upper tube 48o, 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 6 112 " 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 . 40oDoes 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 Look for this label for Listings and 0— U C 1M authentic OPW EVR Air Approved products. Certifications Re olurrcesBoard � ® OPW 71SOM is EVR Approved for E85 ORWt DEFINING WHAT ' S NEXT 113