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OVERFILL PREVENTION SPECIFICATIONS • D Components Q Pre-flanged aluminum top drop tube o Q Roll-crimped top fitting/drop tube Grade Level Q Protective float sleeve Q Float (shielded by float sleeve ) A 71� Q Q Valve assembly 0 Magnetically-coupled actuator Q Threaded bottom drop tube Operation TankTop As the liquid level in the UST approaches 95 % l capacity, the liquid level raises the float. As the float rises it actuates the external/internal _ magnetic couplers which release the flapper to be closed by the flow of product. As the float I continues to rise , the internal mechanism pushes the flapper further into the product flow to allow 95 % of Tank QVolume actuation at high or low flow rates . This sudden reduction in flow caused by the primary flapper closing creates " line shock " to the fill hose which signals the delivery driver that the tank is nearing 95 % capacity. As the float continues to rise to the 95 % fill level , the secondary closes , completely Tank Bottom 1 60 (152 min) stopping the flow of fuel . 1 1 Maximum ORDERING INFORMATION Description ` 708591901 Defender Series® overfill prevention valve with 5' (1524mm) top drop tube, 8 ' (2438mm) bottom drop tube 708591902 Defender Series° overfill prevention valve with 5' (1524mm) top drop tube, 10' (3048mm) bottom drop tube 708591921 Defender Series° overfill prevention valve with 5' ( 1524mm) top drop tube, 8 ' (2438mm) bottom drop tube, AGB compatible* 708591922 Defender Series® overfill prevention valve with 5' (1524mm) top drop tube, 10' (3048mm) bottom drop tube, AGB compatible* 708592901 Defender Series® overfill prevention valve with 10' (3048mm) top drop tube, 8' (2438mm) bottom drop tube 708592902 Defender Seriesm overfill prevention valve with 10' (3048mm) top drop tube, 10' (3048mm) bottom drop tube 708592921 Defender Series° overfill prevention valve with 10 ' (3048mm) top drop tube, 8' (2438mm) bottom drop tube, AGB compatible* 708592922 Defender Series® overfill prevention valve with 10' (3048mm) top drop tube, 10' (3048mm) bottom drop tube, AGB compatible* 708593901 Defender Series° overfill prevention valve, coaxial with 6. 5' (1981 mm) top drop tube, S' (2438mm) bottom drop tube 708593902 Defender Series° overfill prevention valve, coaxial with 6. 5' (1981mm) top drop tube, 10' (3048mm) bottom drop tube 708593923 Defender Series® overfill prevention valve, poppeted coaxial with 6. 5' ( 1981mm) top drop tube, 8' (2438mm) bottom drop tube 708593924 Defender Seriesm overfill prevention valve, poppeted coaxial with 6. 5' (1981mm) top drop tube, 10' (3048mm) bottom drop tube 708594901 Defender Seriesm overfill prevention valve only with top adapter, AGB compatible* 708594902 Defender Seriesm overfill prevention valve only with coaxial top adapter, AGB compatible* 708556901 Defender Seriesm remote fill splice kit 708530930 Replacement roll crimper tool roller bit for retrofit with existing tool 708534901 Remote testing tool, 11 ' (3353mm) long sectional/collapsible 708534902 Coaxial remote testing tool, 11 ' (3353mm) long sectional/collapsible *Alcohol, gas, biofuel compatible (E-85, gasoline and Biodiesel) models come with hard coated anodized drop tubes for full compatibility. Defender OPV Replacement Parts Description 85039-DT Spare drop tube seal 1103942 Spare adapter O-ring 1103943 Spare Coaxial adapter O-ring 708526901 Upper tube adapter kit 708529901 Coaxial Upper tube adapter kit 708542908 8 ' thread-on bottom drop tube assembly, 2-pk 708542910 10' thread-on bottom drop tube assembly, 2-pk 708542910AN 10' thread-on bottom drop tube assembly, 2-pk, AGB compatible 111111 QW 117 SERVICE STATION HARDWARE