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f x m n € OPW 7150 Overfill Materials important t o ; In order to prevent product Prevention Valves Valve Body: Cast aluminum spillage from the Underground Storage Tank (UST), properly The CARB-certified OPW 71 SO 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 T i tight-fill adaptor are essential. Seals: Viton® Delivery personnel should underground storage tanks by providing . be managed and trained a positive shut-off of product delivery. Upper & lower Drop Tube : Aluminum ' ' ' to inspect delivery elbows and hoses for damaged and The shut-off valve is an integral part of Plastic parts: Acetal missing parts. They should the drop tube used for gravity filling . Hardware: Stainless steel a always make certain there The OPW 71 SO allows easy installation gyp' f is a positive connection ffr�>lit 1between the adaptor and (without breaking concrete) and requires Features elbow. If delivery equipment no special manholes. + Simple, Easy and Quick is not properly maintained, The OPW 71 SO is a vapor-tight two- Installation — no excavationor the elbow is not securely or coupled to the adaptor, a stage shut-off valve. When the liquid special manholes required * serious spill may result when level rises to about 95 % of tank .� Economical — costs a fraction the DPW 71 SO closes, causing capacity, the valve mechanism is a hazard and environmental released, closing automatically with of expensive, complicated and � contamination, difficult4o-install valves. the flow. This reduces the flow rate to NOTE: The DPW 71 SO is approximately 5 gpm through a bypass + Furnished Complete — supplied f designed for use on tight•fill with new upper and lower drop tubes, gravity drop applications Doty. valve. The operator may then stop the and drain mounting hardware and thorough Do not use for pressure filling process and disconnect instructions for quick job site time. ? fill applications. the delivery hose. As long as the liquid q exceeds the 95% level, the valve will + Completely Automatic Operation + Retrofits Directly — for both new close automatically each time delivery — no prechecks to perform, no resets 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 for Gauging • OPW Test Lab results a reset point. 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 o Speeds Delivery Operations governing shut-off capacity in your delivery attendant for certainty of — product flows unimpeded into region, as well as take into account overfill prevention . the tank until the hose " kick " that other considerations such as extreme 4. Keeps the Top of UST " Dry," accompanies the valve shut-off tank tilt. In all cases, the upper tube rovides a clear signal that the must protrude into the tank at least per EPA Requirements - p g 6112 " 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 vent piping are required. Number , H15524PA took for this label for authentic OPW EVN Listings and � Approved products. Certifications RC! i rnIBoard �Faw . DPW 71SOM is EVR Approved for E85