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SPECIFICATIONS CONTINUED <br /> Dimensions <br /> 3.97" <br /> ( 101 mm) <br /> 1 .75" <br /> (44 .5 mm) <br /> 95% <br /> Shutoff <br /> Level <br /> 17 .40" 18AW <br /> (442 mm ) (467 mm) <br /> Components <br /> 0 Pre-flanged aluminum top drop tube <br /> 0 Roll-crimped top fitting/drop tube Grade Level <br /> 0 Protective float sleeve <br /> 0 Float (shielded by float sleeve) <br /> 0 Valve assembly 0 <br /> 0 Magnetically-coupled actuator <br /> 0 Threaded bottom drop tube <br /> Tank Top <br /> Operation i <br /> As the liquid level in the UST approaches 95% 0 <br /> capacity, the liquid level raises the float. As the float 1 <br /> rises it actuates the external/internal magnetic <br /> couplers which release the flapper to be closed by 95% of rank <br /> the flow of product. As the float continues to rise, the Volume <br /> internal mechanism pushes the flapper further into <br /> the product flow to allow actuation at high or low flow <br /> rates. This sudden reduction in flow caused by the <br /> primary flapper closing creates " line shock" to the fill <br /> hose which signals the delivery driver that the tank is ® Tank Bottom ------- - --- -- -- ---- - - - - - - - - <br /> nearing 95% capacity. As the float continues to rise ' 6° ( 152 mm) Maximum <br /> to the 95% fill level, the secondary closes, completely <br /> stopping the flow of fuel . <br />