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BELOW ' • UND PRODUCTS www. opwglobal . com OPW 71 SO Overfill Materials all Important Prevention Valves �' ' In order to prevent product Valve Body: Cast aluminum spillage from the Underground The CARB - certified OPW 71 SO Float : Nitrile rubber, closed cell foam ; Storage Tank (UST), properly vapor- tight Overfill Prevention Valve maintained delivery equipment is designed to prevent the overfill of Valve : Aluminum and a proper connection at the tight-fill adaptor are essential . underground storage tanks by providing Seals : Viton ® Delivery personnel should a positive shut-off of product delivery. Upper & lower Drop Tube : Aluminum be managed and trained The shut-off valve is an integral part ofI ! ; to inspect delivery elbows Plastic parts . Acetal and hoses for damaged and the drop tube used for gravity filling , missing parts. They should The OPW 71 SO allows easy installation Hardware : Stainless steel always make certain there (£ (without breaking concrete) and requires is a positive connection Features �T� - between the adaptor and no special manholes. � x t elbow. If delivery equipment Simple, Easy and Quick / is not properly maintained, The OPW 7150 is a vapor-tight two - Installation — no excavation or or the elbow is not securely stage shut- off valve. When the liquid special manholes required , coupled to the adaptor, a level rises to about 95 % of tank serious spill may result when capacity, the valve mechanism is Economical — costs a fraction the DPW 71 SO closes, causing of expensive, complicated and a hazard and environmental released, closing automatically With contamination . the flow. This reduces the flow rate to difficult-to-install valves . approximately 5 gpm through a bypass <` Furnished Complete — supplied NOTE : The OPw 71 SO is valve. The operator may then stop the with new upper and lower drop tubes, designed for use on tight-fill filling process and disconnect and drain mountinghardware and thorough gravity drop applications only. 9 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 c Retrofits Directly m 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 a 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 Best Flow Rate in The Indust` Will Accept a Dipstick ry * 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 .f > 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 governing shut-off capacity in your ' Speeds Delivery Operations region , as well as take into account delivery attendant for certainty of g overfill prevention . — product flows unimpeded into other considerations such as extreme the tank until the hose " kick " that 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 6 112 " 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. < 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 Number: H15524PA vent piping are required . Look for this label for Listings and _ C tftrettailir�bw authentic OPW EVR California Air L Approved products. Certifications Resources Board u OPW 71 SOM is EVR Approved for E85 WHAT ' SDEFINING