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,Air Fitting Test Tube Swivel Male Adapter f � & 3 - n Swivel Pipe Connector Test Boots C Fle,%WORKS By DPW FUELING CONTAINMENT SYSTEMS 3.2.1 Swivel Pipe Couplings (SPC Series) Available only in single wall design for attachment to OPW-FCS's piping, these metallic couplings fasten to the end g ,. of a flexible pipe section using thew•: FlexWorks Coupling Machine. Each H coupling assembly includes a stainless steel insert, stainless steel ferrule, stainless steel swivel nut and flat Viton gasket. Swivel couplings require a different face plate to be used with the FlexWorks Coupling Machine than is used with coax couplings. 3.2.2 Double Wall Swivel Pipe Couplings (DPC Series) Double Wall Swivel couplings and fittings are of a double wall design and are used to interconnect FlexWorks flexible piping. These UU ULC listed stainless steel couplings must be contained within containment sumps and not y directly buried. The pipe connection system includes an t internally expanded stainless steel coupling attached to the end of a FlexWorks pipe section. The swivel coupling has a smooth sealing face fitted with a viton ring gasket. Double wall Swivel Couplings eliminate the need for cutting back the secondary jacket and rubber test boots. They have an integral interstitial access port for connector and test tubes. Please see FlexWorks publication DPC-0001, Installation Instructions for Double Wall Couplings (DPC) and Test Tubes (TTT and TCT). 3.2.3 Swivel Male Adapters Male pipe adapters are designed to connect one end of a flexible pipe section fitted with a swivel pipe coupling to a threaded female coupling or fitting. These metallic adapters have a male pipe thread on one end and a custom male thread to accept the swivel pipe coupling. 3.2.4 Swivel Female Adapters Female pipe adapters are designed to connect one end of a flexible pipe section fitted with a swivel pipe coupling to a threaded male coupling, fitting, or threaded pipe nipple. These metallic adapters have a female pipe thread on one end and a custom male thread to accept the swivel pipe coupling. 3.2.5 Swivel Pipe Connectors These connectors are designed to connect two flexible pipe sections fitted with swivel pipe coupling. These connectors cannot be directly buried and are required to be installed inside a containment sump. When used with double wall piping, it is recommended that test boots with connector tubes be used. 3.2.6 Swivel Junction Tees These tee fittings are used in pres-sure type piping systems whereby the piping is routed in series. These tee fittings connect two flexible pipe sections fitted with swivel pipe couplings '" at the horizontal openings to a riser pipe at the vertical opening. When used with double wall piping, test boots with connector tubes are recommended. 3.2.7 Swivel Terminating Elbows These elbow fittings can be used in both pressure and suction type piping systems when the piping is routed in series or direct. These elbow fittings connect one flexible pipe section fitted with a swivel pipe coupling at the horizontal opening and connect to a riser pipe at the vertical opening. When used with double wall piping, test boots with connector tubes are recommended. 3.2.8 Swivel Y Fitting This adapter is designed to accommodate two flexible piping lines exiting a tank sump. This adapter has a 2" NPT female threaded opening at the top end and two downward facing openings which provide 1-1/2" NPT male threads.