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SERVKESTADON Ti A RDWA RE UNDERGROUND STORAGETANK EQUIPMENT Defender SeriesTM .{ overfill Prevention .T 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 p. product delivery.The Defender Series"'OPV employs a �- 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 Defender Series'OPV provides safe,rapid, and reliable fuel drops for the broadest range of fuel applications and environmental rap Adapter conditions.Simple to install,service and test remotely, the Defender Series-OPV is the industry's most versatile overfill prevention valve. •Magnetic coupler actuates the Interior primary Approvals/Certiflcottons flapper assembly and secondary shut-off valve when .ULc listed. the float rises outside of the valve,eliminating valve JAN 23 2010 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 39i two 0-rings and then threaded onto the top of the lion mml valve body,eliminating the need for drilling,rivets, epoxy,and flaring tools. , •Bottom drop tube is cut in the field and threaded onto t'"'si the bottom of the valve ensuring straight installation. •The roll-crimp/thread method of installing drop tubes ensures proper alignment of the drop tubes with the i rest of the OPV assembly,making installation and removal of the entire assembly smooth. I •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. will •Compatible with industry standard 4"drop tubes ' allowing retrofit into existing installations. i •The entire OPV assembly remains within the 4"Inner I 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 1pm 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.