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+ 09-13-1999 134:04PM FROM SEMCO TF] 4683433 P.03 In underground fuel systems, Dualoy 3000iL fiberglass pipe and fittings give you something no other product has (including steel). Dualoy 3000/L from Ameron is the best UL-listed piping available for underground fuel system w Construction and rehabilitation. Manufactured from chemically inert materials,Dualoy 30001L fiberglasS pipe and fittings resist external corrosion far better than cathodically protected steel. l Tne Dualoy 300WL liner delivers features and performance no other UL-listed piping system can offer. .�,. Resilient and holiday-free,the flexible inner liner is an added layer of ~` ` protection inside the structural piper' wall.Competitive fiberglass pipe has s no Irner. Galvanized steel pi pecan descale f < . when exposed to modern no-lead �- fuels.The inert Dualoy 3000/L liner }' - so- remains intact throughout the service Ch�oy3o"L A�secondary C0nV&wWt pyung in a Wk convex designed to store a fife Of the System,protecting vanety oflet fads.Seen"is the inner caliber prpin3 d[rmg rnd�l layaut. downstream strainers and pumps while maintaining product purity threadless adflesivejoint can be Installation,inspection and Lightweight and easy to handle, installed in less than half the time maintenance of costly impressed- [Dualoy 3000/L with its simple, needed for steel.The result is current systems and sacrificial lower initial installed cost and a anodes are permanently eliminated. Thousands of steel service station Lei- 'maintenance-free corrosion resistant Excellent flow handling systems throughput the piping system with a service life characteristics United States have reached the end much longer than steel. The superior flow characteristics of their service fifetimes.pn,a.Pl survey Inert to extemal corrosion of fiberglass pipe are now more has shown that unprotected ste4 tanks im rtant than ever because of the andpipingaccount for94percentOfa# Dualoy 3000/L piping is6ectrically leaks,and nearyone-third of these nonconductnre and never requires high pressure drop through today's leaks can be traced to the piping itself cathodic protection.Installed multiple product dispensers. Federal laws passed in 1984 and 1988 systems are immune to external Because of its smooth inner Is-ter, permit only two piping Materials for corrosion from stray-current Dualoy 3000/L maintains a high service station rehabilitation and new t4ectrolysis and cathodic inter- Hazen-Williams coefficient of 150 constrvctxCn:cathodicallylxoreeted I faience_may are unaffected by throughout its service life for steel O(fiberglass, alkaline or acidic soil conditions- Consistently low pressure drop.