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OVERFILL PREVENTION i DEFENDER SERIES° OVERFILL ' 11 & j PREVENTION VALVE W2593 1 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 SeriesO 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 SPECIFICATIONS • Magnetic coupler actuates the interior primary flapper Approvals/Certifications assembly and secondary shut-off valve when the float rises e 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 . • After cutting to length in the field, the upper drop tube is • CARB certified , VR- 101 ( FFS ) and VR- 102 ( OPW'�) 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 1101 mm) bottom of the valve ensuring straight installation . • The roll-crimp/thread method of installing drop tubes 1 (44.55 rn mm) ensures proper alignment of the drop tubes with the rest - - + - - - - of the OPV assembly, making installation and removal of 95 % 9 shutoff the entire assembly smooth . Level • 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 17.40' 18.40' 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 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. OPWOis a registered trademark of Dover, Corp. 109 SERVICE STATION HARDWARE