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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 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 is designed to prevent the overfill of Valve: Aluminum tight-fill adaptor are essential. underground storage tanks by providing Seals: Viton® Delivery personnel should managed and trained a positive shut-off of product delivery. Upper & lower DropTube: Aluminum 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. 4 missing parts. They should Hardware: Stainless steel } always make certain there The OPW 7150 allows easy installation is a positive connection (without breaking concrete) and requires Features between the adaptor and no special manholes. . s 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 wired. coupled to the adaptor, a P q serious spill may result when level rises to about 95% of tank ♦ Economical — costs a fraction the DPW 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 NOTE: The DPW 71 SO is valve. The operator may then stop the with new upper P ,er and lower drop tubesdesigned 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. 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 40 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 as 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 • 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 7150 Instruction Sheet Order vent piping are required. Number: H15524PA Look for this label for Listings and = authentic OPW EVR 9 0 llbri �� sH-�.�� . Approvedp ducts. Certifications Resources Board Ca I DPW 71SO is EVA Approved for E85 104 OIPW� _ , t , i tir - a „