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In addition to the previously described submersible pump problems encountered without an in-line check valve, the metering portion of the leak detector is hammered by hydraulic shock. This results in leaks going undetected. Those leak detectors are just not equipped for the job you purchased them for. The 99 LD -2000 is the answer you have been looking for. m leak detectors, with an integrated check valve and pressure relief valve, will save money, reduce customer frustration at the dispenser and reduce service calls. Shortest Leak Detector Profile The 99 series leak detectors are the lowest profile leak detectors available today. • • '- The 99 001 has a higherlevelof performance overbroader range of burial depth, line length, and piping system types than any other leak detector. • Over 20% increased flow capacity • Guaranteed for 24 months from date of installation to detect 3 GPH @ 10 PSI leak • One -Way Poppet flow path • Reverse Ratio Piston / Poppet combination • Smaller volume - faster response piston size • Shortest profile leak detector available for the "tight" installations • All fuels: gasoline, diesel, alcohols, Biodiesel, Aviation; see Fuels under technical specifications. • All pipelines (flexible - fiberglass - steel) up to 400 mi. resiliency • Exceeds EPA regulations (3 GPH @ 10 PSI) • Detects leaks up to 10' above the leak detector • Installs with 2" six point socket or pipe wrench Increased FlowCapacity The 99 LD -2000 has maximized the flow and flow path in existing, older submersible pump heads. This new design allows over 20% more flow than previous LD -2000 models, maximizing pump performance for earlier pump housings. The 99 LD -2000 shares the longest guarantee available in the industry, along with all other Vrn 99 LD -2000 series leak detectors and the 99 LD -3000 series leak detectors. For 24 months from date of installation, the 99 LD -2000 is guaranteed to see a 3 GPH leak @ 10 PSI. All Vmi mechanical line leak detectors have been factory assembled and tested to meet the EPA leak detection threshold established during certification testing. Abnormal field conditions such as high line resiliency (high bleed -back), pump pressures over 30 PSI and high head pressures affect line leak detection sensitivity. Additionally, wear affects performance of leak detection over time. To meet these issues, Vrw established through certification testing, the ability of field technicians to adjust Vrm mlid's to compensate for field variables and normal wear. Please read Technical Bulletin 032805 for specific instructions on this feature. One -Way pet Flow Path The One -Way Poppet Flow Path isolates pump turbulence from line leak detection at pump start-up. The hardened stainless steel poppet does not dimensionally change because of thermal conditions encountered during station operation (precision metering change is insignificant down to -20° F).