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OPW 7150 Overfill MaterialsImportant 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 rank (UST), properly vapor-tight Overfill Prevention Valve maintained delivery equipment Valve : Aluminum and a proper connection at the is designed to prevent the overfill of 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 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 , Hardware : Stainless steel missing pans, They should The OPW 71 SO allows easy Installation always make certain there < is a positive connection (without breaking concrete) and requires Features 1417V f between the adaptor and no special manholes, ® Simple, Easy and Quick elbow. If delivery equipment 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 7150 closes, causing i f oexpensive, complicated and released, closing automatically with lid a hazard and environmental� the flow. This reduces the flow rate to difficult-to- install valves, contamination , approximately 5 gpm through a bypass Furnished Complete — supplied NOTE : The DPW 7150 is valve. The operator may then stop the with new upper and lower drop tubes, designed for use on tight-fill fillip process and disconnect and drain mounting hardware and thorough gravity drop applications only. 9 P 9 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 and no overrides to be broken Is attempted , 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 — e> Quick Drain Feature — capacity, the bypass valve closes automatically drains hose when head operates directly from liquid level . pressure is relieved . completely. No additional liquid can flow P 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 governing shut-off capacity in your alertness or speed of response of the ,.. 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 " Dry, " accompanies the valve shut- off must protrude into the tank at least per EPA Requirements — provides a clear signal that the 61 /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, e> 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 U `C 1tl authentic OPW EVR Certificationse'11ror"Air Approved products. Resources Board c— OPW 7150 is EVR Approved for E85 104 4=0PVV*