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ENVIRDELEX° RETRACTABLE PIPING SYSTEM — Pressure <br />Enviroflex® Retractable Double Wall Piping System (Pressure] Pages 9-10 <br />FAI The Enviroflex flexible piping system is a proven alternative to rigid piping primarily used for underground fuel storage and <br />conveyance. Its design incorporates continuous piping runs from storage tanks to product dispensers with all fittings visible <br />and accessible from inside a sump. Enviroflex secondary pipe is sized to allow removal of the primary pipe for inspection or <br />replacement during the life of the system without excavation. When used with Total Containment® Tank Sumps, Dispenser <br />Sumps, and fittings. Enviroflex offers an environmentally safe flexible piping system. <br />Primary Couplings and Washers Page 9 <br />© Primary couplings are installed on each end of the flexible primary pipe by certified contractors using the Total Containment <br />Enviroflex Coupling Machine. Each corrosion resistant brass coupling has a swivel connection for easy connection/ <br />disconnection from system components. No elastomeric seals are required with Total Containment Couplings. Metal washers <br />are used with each Coupling to seal primary pipe joints. <br />Primary Adaptors Page 9 <br />©+. Primary adaptors are offered in a wide variety of sizes to transition Enviroflex couplings to female NPT openings on the <br />submersible pump or ball valve. <br />FD—] Primary Branch Fittings Page 10 <br />Primary "Y' and Tee branch fittings are used in sumps. The female NPT opening on the tee accepts a steel riserpipe which threads <br />into the base of the shear valve. The male NPT opening on the "Y" allows it to adapt to submersible pumps and ball valves. <br />Primary 90° Fittings Page 10 <br />[-E] Primary 90° fittings are designed for use in termination dispenser sumps to transition the primary pipe run to the steel riser pipe <br />which threads into the shear valve. <br />=TOTAL= <br />CONTAINMENT. <br />Pane 3 - Prnrhict Cataloo <br />