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I ' <br /> Underground Piping <br /> April 1, 1996 <br /> Pioneering Primaty and Secondary Containment Systems 'z; ER, <br /> Total Containment's Primary Piping Sysfem <br /> "Omniflex7" Retractable System <br /> ..:..::........... <br /> Uncuffed <br /> • Dispenser <br /> F " Sump <br /> �1 <br /> Multisided , <br /> Tank Sump <br /> A proven alternative to rigid fiberglass piping, Omniflex IP coaxial double wall piping may be used in a <br /> retractable or direct bury system. Its design incorporates continuous piping runs from the storage tank to <br /> product dispensers with all fittings visible and accessible from above ground.Enviroflex®secondary piping is <br /> sized to allow for removal of Omniflex II-primary pipe for inspection or replacement without excavation during <br /> the life of the system. When used with Total Containment's tank sumps, dispenser sumps, and fittings, <br /> Enviroflex®and Omniflex II°'offer the most environmentally safe flexible piping system in our industry. <br /> Q 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 /> FG <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 /> Top View of Layout the base of the shear valve. <br /> F Secondary Seal for Cuffed Sumps-(not shown) <br /> Omniflex Primary Pipe Seal used for secondary pipe penetration on cuffed tank <br /> Flexible pipe run in continuous lengths between sub- sump or dispenser sump. Includes air stem for testing, <br /> mersible pumps and dispensers. stainless steel clamps and pipe stiffeners. <br /> 0 Secondary Containment Pipe Secondary Bulkhead Fitting <br /> Corrugated flex pipe run in continuous lengths between Fitting used to seal Enviroflex secondary pipe penetration <br /> tank sumps and dispenser sumps to provide secondary on uncuffed tank sump or dispenser sump. Includes air <br /> containment of primary pipe. stem for testing,stainless steel clamps and pipe stiffeners. <br /> Omniflex Primary Coupling Q Test Donut <br /> Coupling installed on each end of the flexible primary pipe Donut used with bulkhead fittings and compression seal to <br /> by certified contractor. allow primary and secondary pipe to be tested simultaneously. <br /> Primary Coupling Washer <br /> Washer used with each primary coupling to seal Enviroflex <br /> primary pipe joints. , '.. <br /> t <br /> Primary Adaptor ra <br /> TOTAL.. <br /> Adaptor used to transition Enviroflex Coupling to NPT ,, yNTAINME <br /> opening on pump or ball valve. <br /> �I <br /> PSP400.02(2 of 4) <br />