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OPW 7150 Overfill Materials �� Important Prevention Valves In order to prevent product Valve Body: Cast aluminum spillage from the Underground The CARB-certified OPW 7150 Float: Nitrile rubber, closed cell foam storage rank (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 { tight4ill 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 to managed and Inspect delivery errelbbolo The shut-off valve is an integral part of Plastic parts: Acetal and ws and hoses for damaged and the drop tube used for gravity filling , missing parts. They should Hardware : Stainless steel The OPW 7150 allows easy Installation always make certain there t t (without breaking concrete) and requires is a positive connection 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 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 fractionthe OPW 7150 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. f approximately 5 gpm through a bypass • Furnished Complete — supplied 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 filling process and disconnect and drain mountinghardware and thorough gravity drop applications only. g 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 is attempted , and no overrides to be broken • Retrofits Directly — for both new If the delivery is not stopped and the or abused , and existing tanks with 4 " fill risers . liquid rises to about 98% of tank • No Pressurization of the Tank — qd� Quick Drain Feature — capacity, the bypass valve closes automatically drains hose when head operates directly from liquid level . completely. No additional liquid can flow pressure is relieved, into the tank until the level drops below • Will Accept a Dipstick a reset point. for Gauging 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 or speed of response of the governing shut-off capacity in your delivery attendant for certainty of Speeds Delivery Operations region, as well as take into account 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 of Dry, of 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 7150 Instruction Sheet Order Number: H15524PA vent piping are required. Look for this label for Listings and ® USC 1 rj authentic OPW EVR Certifications Gln,mi, Air ® � pproved products. ,,sources Board OPW 71 SO Is EVR Approved for E85 104 O fTP W♦ - g t i r s .�._