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3.The reduction Oiston surface area makes for a Ah more responsive leak <br /> detector, significantly reducing the fuel needed to pass through the metering <br /> pin and poppet to allow fullflow of the pump. <br /> 4.This new fuel flow path also allows the 98L D-2000 to report fuel volume <br /> changes in the line to be calculated by the PLC-5000 interface. <br /> These are more responsive leak detectors!Not only are these leak detectors <br /> faster at opening up in line systems, but when the pump is turned off, it will reset <br /> to leak sense position faster because of the smaller amount of fuel under the piston. <br /> Another related benefit.of the piston size is that the leak detector does not have to <br /> completely reset to cycle through the leak sense position. If the line pressure falls <br /> as low as 2.5 psi (when.the pump is off),.the leak detector is forced into the leak <br /> sense mode. For today's busy stations,this represents true hourly protection! <br /> Superior Flex Piping Per <br /> ormance!The.reduced surface area of the piston <br /> also significantly reduces the surface area of the piston exposed to hydraulic <br /> line shock, enhancing leak detection performance not only in steel and fiber- <br /> glass lines,but more importantly, enabling this leak detector to have superior _ <br /> performance in today's flexible piping systems. <br /> Higher leak sense pressure!Due to the reduced piston area, this leak detector <br /> stays in the fast fill position (position one) to a higher pressure, compressing vapor <br /> pockets or removing stretch from flexible pipe faster.This means less time to full <br /> flow! <br /> All Vaporless leak detectors are designed to shut down if line pressure falls <br /> below 5: psi.They are the only leak detectors produced that will catch a <br /> catastrophic leak at this pressure*** while the pump is running. <br /> Patent Pending <br /> ** Guaranteed for 24 months after installation to find a 3 GPH @ 10 psi leak.. <br /> *** "Catastrophic"in this case is defined as a break or rupture of the line that <br /> allows line pressure to fall to 5 psi or less with the pump running. <br />