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Flexible • - . • Puping Manual environ 3.2 Swivel Couplings & Fittings Swivel couplings&fittings are of a single wall design and are used to interconnect both GeoFlex®-S and GeoFlex®-D piping. These UL®listed steel couplings and fittings may not be directly buried and must be contained within containment sumps. Double wall piping requires the use of rubber test boots to seal-off the interstitial space of the GeoFlex-D flexible piping. For GeoFlex-D flexible double wall piping applications which are routed in series,the metallic junction tees should be fitted with connector tubes to permit the interstitial space of the piping to bypass the single wall coupling and fitting.Some swivel fittings are available in NPT threads as standard or optional BSP threads.The metallic couplings& fitting components are available in 3/4", 1-1/2",2"and 3" sizes and are illustrated below: Air Fitting —Shear Valves— Flex Connector _ Steel Riser Pipes Test Tube I Swivel Male Swivel Pipe Swivel Pipe Swivel Swivel Adapter Connector Coupling Tee Elbow Fitting Fitting t Standar Conne Itor Tube Connector Tube GeoFlex Piping Test Boots 3.2.1 Swivel Pipe Couplings 3.2.4 Swivel Pipe Connectors Available only in single wall design These connectors are designed to for attachment to both GeoFlex-S and connect two flexible pipe sections GeoFlex-D piping, these metallic fitted with swivel pipe coupling. These couplings fasten to the end of a y connectors cannot be directly buried flexible pipe section using the and are required to be contained GeoFlex Coupling Machine. Each inside an in-line piping sump. When coupling assembly includes a used with GeoFlex-D piping, it is stainless steel insert, stainless steel recommended that test boots with ferrule,stainless steel swivel nut and connector tubes be used. flat Viton gasket. Swivel couplings require a different face plate to be used with the Environ Coupling Machine than is used with coax couplings. 3.2.5 Swivel Junction Tees These tee fittings are used in pressure 3.2.2 Swivel Male Adapters type piping systems whereby the qtr= piping is routed in series. These tee . Male pipe adapters are designed to fittings connect two flexible pipe connect one end of a flexible pipe sections fitted with swivel pipe section fitted with a swivel pipe couplings at the horizontal openings coupling to a threaded female to a steel riser pipe at the vertical coupling or fitting. These metallic opening. Swivel junction tees are only adapters have a male pipe thread on used with dispenser sumps. When one end and a custom male thread to used with GeoFlex-D piping,test boots with connector tubes are accept the swivel pipe coupling. recommended. 3.2.6 Swivel Terminating Elbows 3.2.3 Swivel Female Adapters These elbow fittings can be used in Female pipe adapters are designed to both pressure and suction type piping connect one end of a flexible pipe systems when the piping is routed in series or direct. These elbow fittings section fitted with a swivel pipe ,�. coupling to a threaded male coupling, connect one flexible pipe section fitted with a swivel pipe coupling at the fitting,or threaded pipe nipple.These mhorizontal opening and connect to a , )' metallic adapters have a male pipe thread on one end and a custom male steel riser pipe at the vertical opening. Swivel terminating elbows can only be thread to accept the swivel pipe coupling. installed in dispenser sumps. When used with GeoFlex-Da piping,test boots with connector tubes are recommended. 4