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1 � . Flexible jnderground Piping Systems ----� - — August 1, 1997 rtPt pjl Enviroflex@ Retractable Double Wall Piping System j. a � . . Multisided K — � Tank Sump wr, tt':a- B � Uncuffed Dispenser ft ;E Sump L Enviroflex®Primary and Secondary Pipe(Pressure) F Tank Sumps and Accessories The Enviroflex flexible piping system is a proven alternative to Patented tank sumps am offered in polyethylene and fiberglass rigid piping primarily used for underground fuel storage and models,in a wide variety of styles,shapes,and sizes. conveyance.Its design incorporates continuous piping runs Corrugated,height-adjustable risers add structural integrity and from storage tanks to product dispensers with all fittings visible allow for minimum/maAmum burial depths. and accessible from inside a sump.Enviri secondary pipe is sized to allow removal of the primary pipe for inspection or Dispenser Sumps/Pans and Accessories replacement during the life of the system,without excavation. Dispenser sumps and pans are offered in polyethylene and Primary Couplings and Washers fiberglass models with proven UUULC industry listings for proper Primary couplings are installed on each end of the flexible shear valve operation.The single stabilizer bar provides for easier primary pipe by certified contractors using the Total installation and accessibility to all pipe and fittings. Containment's Coupling Machine.Each corrosion resistant brass coupling has a swivel connection for easy connection/ Manhole Covers and Accessories® Manhole covers are offered in both composite and steel cover disconnection from system components.Metal washers are P used with each coupling to seal primary pipe joints.No materials.Standard and custom styles,shapes and sizes all elastomeric seals are required. provide access to all underground piping joints and fittings. Primary Adaptors Island Forms and Guards Primary adaptors are offered In a wide variety of sizes to Steel island forms and guards are available in a wide variety of transition EmAroflex couplings to femare NPT openings on the standard and custom styles,shapes and sizes to complement submersible pumps or ball valves. your service station requirements.Al are designed for easy field Primary Branch Fittings installation. Primary'Y'and Tee branch fittings are used in sumps.The FX Stage II Vapor Recovery Assist Piping female NPT opening on the tee accepts a steel riser pipe which Stage II flexible assist piping incorporates a continuous flexible threads into the tate of the shear valve.The male NPT opening pipe run between containment sumps that can be laid in the on the'Y'adepts to submersible pumps and ball valves. Primary 90° Fittings same trenches as flexible primary pipe. Primary 90°fittings are designed for use in termination Tank Vent Piping dispenser sumps to transition the primary pipe run to the steel Tank vent piping incorporates a continuous flexible pipe mn riser pipe which threads into the shear valve. between the tank and vent stack pipes. Bulkhead Fittings, Reducers, Inserts and Remote Fill(not shown) Test Donuts Remote fill piping is offered in both a direct-bury and retractable Patented bulkhead fittings are used to make liquid-resistant system to satellite fill underground storage tanks.Consult Total pipe penetrations in uncuffed containment sumps quick and Containment for further details. easy because of their one-hole-required installation procedure. Reducer fittings are used to make liquid-resistant pipe penetrations in cuffed containment sumps.Inserts and test donuts are available to fit an assortment of pipe diameters. g, TOTAL _ CONTAINMENT, PSP400.02(1 of 5)