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OVERFILL PREVENTION DEFENDER SERIESO 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 revolutionary magnetically- coupled actuator system to provide positive shut-off. This unique method of shut-off eliminates any penetrations in the valve, making it both vapor- and leak-tight . The Defender Series® OPV provides safe, rapid , and reliable fuel drops for the broadest range of fuel applications and environmental conditions . Simple to install , service, and test remotely, the Defender Series® OPV is the industry's most versatile overfill prevention valve . Top Adapter SPFCIFICATIONS • Magnetic coupler actuates the interior primary flapper Approvals/Certifications assembly and secondary shut-off valve when the float rises • ULc listed . outside of the valve, eliminating valve body penetrations e ATEX approved . and any potential product or vapor leak points . • After cutting to length in the field, the upper drop tube is • CARB certified . roll-crimped onto a top adapter outfitted with two O-rings and • VR-101 then threaded onto the top of the valve body, eliminating the e VR-102 need for drilling, rivets, epoxy, and flaring tools . • Bottom drop tube is cut in the field and threaded onto the Dimensions bottom of the valve ensuring straight installation . (101 397' mm) • The roll-crimp/thread method of installing drop tubes ensures proper alignment of the drop tubes with the rest 1.75 of the OPV assembly, making installation and removal of (44.5 mm) the entire assembly smooth . 95% Shutoff • Damaged drop tubes can be easily replaced instead of Level having to purchase an entire new assembly . • Fully compatible with gas , gas/alcohol blends , diesel , and Biodiesel . • Compatible with industry standard 4" drop tubes allowing " retrofit into existing installations . • The entire OPV assembly remains within the 4" inner 17.40' 18.401 diameter of the riser preventing interference with other (442 mm) (467 mm) 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) and higher. ' • The remote testing tool allows for remote testing of the primary functionality without having to remove the OPV from the riser. 116 Franklin Fueling Systems