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Ll <br />Underground Piping <br />Total Containment's mr i <br />' . C <br />April 1. /996 <br />fncuffed <br />lispenser <br />ump <br />Enviroflex& is a proven alternative to rigid fiberglass piping. Its design incorporates continuous piping runs <br />from the storage tank to product dispensers with all fittings visible and accessible from aboveground. Enviroflex <br />secondary piping is sized to allow removal of the primary pipe for inspection or replacement without excavation <br />during the life of the system. When used with Total Containment's tank sumps, dispenser sumps, and fittings, <br />Enviroflex offers the most environmentally safe flexible piping system in our industry. <br />a Vpr r ocrr ul L.dyuuL <br />[A] Enviroflex Primary Pipe <br />FIexible pipe run in continuous lengths between sub- <br />mersible pumps and dispensers. <br />® Secondary Containment Pipe <br />Corrugated flex pipe run in continuous lengths between <br />tank sumps and dispenser sumps to provide secondary <br />containment of primary pipe. <br />© Enviroflex Primary Coupling <br />Coupling installed on each end of the flexible primary pipe <br />by certified contractor. <br />[D Primary Coupling Washer <br />'asher used with each primary coupling to seal Enviroflex <br />,.rimary pipe joints. <br />[E] Primary Adaptor <br />Adaptor used to transition Enviroflex Coupling to NPT <br />opening on pump or ball valve. <br />PSP400.02 (1 of 4) <br />FL] Primary Branch Fittings <br />Fittings used in sumps. The female NPT opening on a "tee" <br />accepts a steel riser pipe which threads into the base of the <br />shear valve. <br />® Primary 90° Fitting <br />Fitting used in termination dispenser sumps. The female <br />NPT opening accepts a steel riser pipe which threads into <br />the base of the shear valve. <br />® Secondary Seal for Cuffed Sumps -(not shown) <br />Seal used for secondary pipe penetration on cuffed tank <br />sump or dispenser sump. Includes air stern for testing, <br />stainless steel clamps and pipe stiffeners. <br />® Secondary Bulkhead Fitting <br />Fitting used to seal Enviroflex secondary pipe penetration <br />on uncuffed tank sump or dispenser sump. Includes air <br />stem for testing, stainless steel clamps and pipe stiffeners. <br />® Test Donut <br />Donut used with bulkhead fittings and compression seal to <br />allow primary and secondarypipe to be tested simultaneously. <br />CONTAINMENT <br />