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Reverse Ratio Piston / Poppet Combination Reverse Ratio means the leak detector has a smaller diameter piston area than the poppet it is attached to. This smaller piston area keeps the leak detector in the fast fill position(3 GPM)to a higher line pressure while compressing vapor pockets and expanding flexible pipes faster. This means less time bafull flow, The leak detector does not have hocompletely reset (as with competitive leak detectors) for the poppet tobeforced into the reset mode mtpump atod-up. Smaller Volume/ Faster Response Piston Size With a reduced piston size,there is one-fourth the fuel volume to replace when in leak search and one-fourth the fuel volume to return to the line when the pump turns off.This combination makes for a more responsive and faster kaeb detector. Less volume to leave the line for the leak detector to reset and catch |aaha. Less volume to fill and provide full flow for dispensing! Superior Flex-Pipe Performance The reduced surface area of the piston significantly reduces the surface area exposed to hydraulic line shock. This results in enhanced performance with obme| and fiberglass pipe, and especially m»ith today's flexible pipe. 99 LD~200OWE |nthe early 189U'a.the first commercially successful flexible pipe,Total Containment PP-1 500,was introduced tothe U.8. petroleum industry. Due tothe flexibility ofthis pipe system, noline leak detection would work. |n1082.the Vnm^ LD-2UOO\Ewas certified for 3GPH@1UPSI onTotal Containment PP-15OOpipe. The 98 L[-2000\E is abU required for existing PP-1500 pipe. Additionally, today the 8S LD-3000kE is used in sites that have the same line characteristics as the LD-2000\E was originally certified for, even though the pipe isdifferent. The original certification of the LD-2000\E concerned the bleed-back modulus of PP�l 500 pipe. Today, lines with high bleed-back(generally above 600 mi.)and high head pressure may require the QSLO-200U\Etopass afield test for annual certification. Consult with factory before ordering and installing the S9LD-20O{8E. Electronic Line Leak Detection Upgrade! The 99 LD-2000 may be upgraded in the field to eliminate thermal induced slow-flow, provide submersible ahut-dmwn.and alarm notification tosite monitoring equipment.Request information onthe US&0-4000.oneasy upgrade for existing or new installations. The ISM-4080 also stages turbines and controls solenoid valves for loading racks and marine applications. |fthere ianoneed for staged turbines, solenoid valve control, alarm notifioobonursubmersible ahut-dmvxn. request information onthe ARk8-4073toeliminate false alarms only.