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F110-WIVOR KS EY DPW FUELING CONTAINMENT SYSTEMS 3.0 FLEX PIPING CONNECTIONS 3.1.5 Swivel Terminating Elbows OPW-FCS offers multiple piping connection systems for use These elbow fittings can be used in both with their flexible piping.OPW's piping connections can ac- pressure and suction type piping systems commodate a wide variety of piping designs,layouts and when the piping is routed in series ordirect. installation applications. These elbow fittings connect one flexible pipe section fitted with a swivel pipe cou- pling at the horizontal opening and connect to a riser pipe at These piping connections are made of the vertical opening.When used with double wall piping, stainless and protected steel featuringtest boots with connector tubes are recommended. a swivel nut connection with a Viton 3.1.6 Swivel Y Fitting gasket seal.Swivel fittings require the *4* use of Flex Coupling Machine to This adapter is designed to accommodate two flexible piping install the pipe couplings. lines exiting a tank sump.This adapter has a 2"NPT female threaded opening at the top end and two downward facing Co Double Wall Swivel Pipe openings which provide 1-112"NPT male threads. Couplings IDPC Series) 4.0 FLEXWORKS PIPE ACCESSORIES Double Wall Swivel couplings and fittings are of a double wall design and are used to interconnect FlexWorks flexible There are a variety of accessory components which may be piping. These UU ULC listed stainless steel couplings must used with OPW-FCS's flexible piping systems. be contained within containment sumps and not directly 4.1 Test Tubes buried. OPW's test tubes are designed to provide access to the be- The pipe connection system includes an internally expanded ginning and end of the interstitial space of double wall pipe stainless steel coupling attached to the end of a FlexWorks for initial and periodic air pressure testing.There are two pipe section.The swivel coupling has a smooth sealing face types of test tubes available for use.One type is used with fitted with a viton ring gasket.Double wall Swivel Couplings test boots and fitted with a shrader valve and stainless steel eliminate the need for cutting back the secondaryjacket and band clamp on the lower end for insertion and clamping into rubber test boots.They have an integral interstitial access the test boot port. port for connector and test tubes. 4.2 Connector Tubes Please see FlexWorks publication DPC-0001,Installation In- These short flexible tube assemblies are designed to reroute structions for Double Wall Couplings(DPC)and Test Tubes(ITT the interstitial space of one double wall flexible pipe section and TCT). around a metallic junction tee fitting to the next double wall 3.1.2 Swivel Male Adapters flexible pipe section.They come fitted on each end with a Male pipe adapters are designed to connect ia barbed air stem coupling elbow and stainless steel band one end of a flexible pipe section fitted with a clamp for insertion and clamping into the test boot port. swivel pipe coupling to a threaded female 5.0 INSTALLER TOOLS coupling or fitting.These metallic adapters OPW-FCS offers a variety of Installer tools for installing OPW- have a male pipe thread on one end and a FCS's flexible piping system. custom male thread to accept the swivel pipe coupling. NOTE:To insure proper installation and product warran- 3.1.3 Swivel Pipe Connectors ty coverage,only OPW-FCS pipe coupling equipment and These connectors are designed to connect pipe fabricating tools must be used. two flexible pipe sections fitted with swivel 5.1 Pipe Cutter pipe coupling.These connectors cannot be directly buried and are required to be installed The FlexWorks pipe cutter is designed to inside a containment sump.When used with produce a clean and even pipe cut which is double wall piping,it is recommended that necessary for proper coupling attachment. test boots with connector tubes be used. 5.2 Coupling Machine 3.1.4 Swivel Junction Tees The FlexWorks Coupling Machine is required for the installa- These tee fittings are used in pressure type tion of both coax and swivel pipe couplings.This electrically- piping systems whereby the piping is routed mow. driven hydraulic machine is designed to internally expand in series.These tee fittings connect two flexi- '" the metal pipe insert installed at the end of a flexible pipe ble pipe sections fitted with swivel pipe cou- section.Coupling machines are available in both 110 and 220 plings at the horizontal openings to a riser volt models.Consult your local OPW-FCS distributor for avail- pipe at the vertical opening. When used with ability for rental or purchase of the coupling machines.Re- double wall piping,test boots with connector tubes are rec- mote coupling machines are also available. ommended.