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SERVICE STATION HARDWARE jFrenklinFuelingSystems I UNDERGROUND STORAGE TANK EQUIPMENT - • TM Defender Series Overfill Prevention Valve The Defender Series"" overfill prevention valve ( OPV ) is a self contained two-stage positive shut- off valve that prevents the overfill of an underground storage tank ( UST) during a gravity-fed product delivery . The Defender Series'" OPV employs a i revolutionary magnetically-coupled actuator system to provide positive shutoff . This unique method of shutoff eliminates any penetrations in the valve , making it both vapor and leak tight . The ry . Defender Series"' OPV provides safe , rapid , and reliable fuel drops for the broadest range of fuel applications and environmental Top Adapter conditions . Simple to install , service and test remotely , the Defender Series"" OPV is the industry' s most versatile overfill prevention valve . Specificafions • Magnetic coupler actuates the interior primary Approvals/Certifications flapper assembly and secondary shut-off valve when . ULc listed . the float rises outside of the valve , eliminating valve body penetrations and any potential product or • ATEX approved . vapor leak points . • After cutting to length in the field , the upper drop Dimensions tube is roll-crimped onto a top adapter outfitted with 3. 97" two 0-rings and then threaded onto the top of the ( 101 mm) valve body , eliminating the need for drilling , rivets , epoxy, and flaring tools . 1 , 75" 5 44. ) • Bottom drop tube is cut in the field and threaded ontoIV (44.5 mm_ _ the bottom of the valve ensuring straight installation . 957o Shutoff • The roll-crimp /thread method of installing drop tubes Level ensures proper alignment of the drop tubes with the rest of the OPV assembly, making installation and removal of the entire assembly smooth . • Damaged drop tubes can be easily replaced instead of having to purchase an entire new assembly . • Fully compatible with gas , gas /alcohol blends, diesel 17 .40° 18.40° and blodlesel . (442 mm) (467 mm) • Compatible with industry standard 4" drop tubes allowing retrofit into existing installations . • The entire OPV assembly remains within the 4" inner diameter of the riser preventing interference with other tank components and also allowing removal even while the tank is full . • Actuates in both low and high flow applications and functions within a broad range of flow rates from 25 gpm to 370 gpm (95 Ipm to 1 , 400 Ipm ) . • The remote testing tool allows for remote testing of the primary functionality without having to remove the OPV from the riser.