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In underground fuel systems, Dualoy 3000/L p fiberglass pipe and fittings give g p g you something no other product has (including steel). Dualoy 3000/L from Ameron is the best UL -listed piping available for underground fuel system construction and rehabilitation. Manufactured from chemically inert materials, Dualoy 3000/L fiberglass pipe and fittings resist external corrosion far better than cathodically protected steel. The Dualoy 3000/L liner delivers features and performance no other UL -listed piping system has. Resilient and holiday -free, the flexible inner liner is an added layer of protection inside the structural pipe wall. Competitive fiberglass pipe has no liner. Galvanized steel pipe can descale when exposed to modern no -lead fuels. The inert Dualoy 3000/L liner remains intact throughout the service life of the system, protecting downstream strainers and pumps while maintaining product purity. Lightweight and easy to handle, Dualoy 3000/L with its simple, Thousands of steel service station fuel -handling systems throughout the United States have reached the end of their service lifetimes. An API survey has shown that unprotected steel tanks and piping account for 94 percent of all leaks, and nearly one-third of these leaks can be traced to the piping itself. The Federal Tank Law of 1984 permits only two materials for service station rehabilitation and new construction: cathodically protected steel or fiberglass. Dualoy 3000/L provides secondary containment piping in a tank complex designed to store a variety of jet fuels. Seen here is the inner camerpiping during initiallayout threadless adhesive joint can be installed in less than half the time needed for steel. The result is lower initial installed cost and a maintenance -free corrosion resistant piping system with a service life much longer than steel. Inert to external corrosion Dualoy 3000/L piping is electrically nonconductive and never requires cathodic protection. Installed systems are immune to external corrosion from stray -current electrolysis and cathodic inter- ference. They are unaffected by alkaline or acidic soil conditions. Installation, inspection and maintenance of costly impressed - current systems and sacrificial anodes are permanently eliminated. Excellent flow characteristics The superior flow characteristics of fiberglass pipe are now more important than ever because of the high pressure drop through today's multiple product dispensers. Because of its smooth inner liner, Dualoy 3000/L maintains a high Hazen -Williams coefficient of 150 throughout its service life for consistently low pressure drop.