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6 L0012000 r The '96 LD -2000 is the newest generation of the most advanced system of mechanical line leak detectors available. For 1996, the LD -2000 becomes even more versatile. One leak detector for virtually any submersible pump, fuel, or line! A patented, internal, free-floating check valve positioned at the downstream end of the leak detector protects the leak detector against damage caused by hydraulic hammer (a rebounding pressure wave formed when the dispenser nozzle is closed). The check valve also maintain line pressure, sufficient to allow dispensa- tion of fuel immediately, providing that the downstream dispensing line has no leak. FEATURES • One leak detector for any fuel: gasoline, diesel, alcohol • For any pipe/line system up to 250 ml. bleed back • One leak detector for Red Jacket, FE Petro, or Tokheim submersible pumps • Lowest profile leak detector available for those tight locations • Maintains pressure in the delivery line when no leak is present • Detects leaks even if substantial hydrostatic shock occurs in the dispensing line • Reduces unscheduled pump maintenance due to check valve deterioration or functional element deterioration • Provides improved performance under extreme climactic conditions • Best performance warranty in the industry, 3 GPH at 10 psi for a full 18 months after date of installation. • Overcomes problems caused by thermal contraction and fine resiliency in ` larger delivery systems PERFORMANCE • The '96 LD -2000 exceeds the EPA regulations that require detection of a 3 GPH leak at 10 psi. Under conditions of thermal expansion or contraction, the '96 LD -2000 is capable of detecting a 3 GPH leak with a probability of detection of 100% and a false alarm probability of 0%. • Under neutral test conditions, the '96 LD -2000 detected leaks under 2 GPH. • From pump start-up, the average leak sensing time to full flow was less than 5 seconds for pipe lines with up to 250 ml bleed back. • The '96 LD -2000 detected leaks in the pipe system up to 10' above the leak detector. This test, called a "Head Pressure Reset Test," ensures that all buried pipe is protected.