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I 1i OVERFILL PREVENTION 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 aLf 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 SPECIFICATIONSHIGHLIGHTS • Magnetic coupler actuates the interior primary flapper Approvals/Certifications assembly and secondary shut-off valve when the float rises . UL 2583 listed and ULc listed , MH21090 . outside of the valve, eliminating valve body penetrations . ATEX approved . and any potential product or vapor leak points . CAR certified , VR-101 ( F FS ) and VB- 1 02 ( OPWu) • After cutting to length in the field, the upper drop tube is roll-crimped onto a top adapter outfitted with two 0-rings and then threaded onto the top of the valve body, eliminating the Dimensions need for drilling, rivets, epoxy, and flaring tools. 3 .97 ° • Bottom drop tube is cut in the field and threaded onto the ( 101 nim) bottom of the valve ensuring straight installation . 1.75' • The roll-crimp/thread method of installing drop tubes (44.5 mm) ensures proper alignment of the drop tubes with the rest 95% of the OPV assembly, making installation and removal of Shutoff the entire assembly smooth . Leve) • Damaged drop tubes can be easily replaced instead of 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 170 1s.ao° retrofit into existing installations . (442 mm) (467 mm) • The entire OPV assembly remains within the 4" inner diameter of the riser preventing interference with other is 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. OPW° is a registered trademark of Dover, Corp. 109 SERVICE STATION HARDWARE