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Flexible • - • • Piping Manual environ *Properly designed applications, such as under dock marina 2,1.1 GeoFlex®-S applications may be allowed with special approval and warranty restrictions. Other above ground applications containing A UL® listed single wall flexible supply flammables must have prior written approval and authorization pipe is designed for direct burial from Environ for warranty coverage. All installation practices applications or installed within the ` shall comply with the installation instructions contained within GeoDuct flexible ducting for future s e' this and other Environ product manuals. replacement capabilities.The piping has WARNING: GeoFlex®piping is not warranted for above a smooth inner bore, enhancing fluid p p g flow efficiency and providing excellent ground transmission of flammable liquids due to the sealing surface for the couplings. possible exposure to fire. 1.4 Operating Temperatures 2.1.2 GeoFlex®-D The product fluids transferred should not exceed the maximum A UL listed double wall flexible supply operating pressures indicated on each pipe size and a fluid pipe is designed for direct burial temperature of 125T(52°C). applications or installed within the GeoDuct flexible conduit. The outer 1.5 Warranted Fuels containment jacket includes inner stand- off ribs to create a small interstitial space Warranted fuels are listed as follows: which allows for optimum fluid • Gasoline Methanol Kerosene migration, continuous monitoring and easy periodic testing. • Gasohol Alcohol fuels Diesel Fuels • Ethanol Av-gas Motor Oils 2.2 GeoDuct Conduit Contact Environ for chemical compatibility of fluids not listed This large diameter corrugated flexible conduit is used to provide above. the possibility of future replacement of the GeoFlex piping. Made of high density polyethylene,this corrugated tube is strong enough to withstand H-20 loading requirements when properly buried and 1.6 Pipe Packaging thick enough to minimize damage from shipping g g Aping and jobsite GeoFlex supply piping and GeoDuctTM — handling. Available in sizes to accommodate both the 1-1/2"and 2" ducting are available in a variety of GeoFlex supply pipe. piping diameters on continuous rolls and packaged in easy to handle NOTE: GeoDuct flexible conduit is not UL listed nor is it protective cartons and reels. Refer to enyr.on 1.5 intended for use as secondary containment piping. This the the Environ Product Price List for corrugated flexible conduit is supplied with small holes pipe diameters and packaging every 36 inches to prevent such use. specifications. 2.3 GeoVent" Vent Piping CAUTION: Do not use knives or razor blades to open carton This single wall flexible pipe is designed,warranted and UL listed as damage to piping could occur. for use as vent lines for tank venting and Stage II vapor recovery lines.It is available in 2"and 3"diameters. 2.0 SPECIFYING FLEXIBLE PIPING The GeoFlex piping system offers a variety of piping options for 3.0 (GEOFLEX) PIPING CONNECTIONS underground fuel delivery applications. Prior to specifying the Environ offers three types of piping connection systems for use type of piping required, read section 6 of this manual entitled with the GeoFlex Piping System. These three different piping "Pre-Installation Planning". connections can accommodate a wide variety of piping designs, layouts and installation applications. All three pipe connection 2.1 (GeoFlex) Supply Piping systems are UL listed for use with fuels and in underground burial applications. GeoFlex is a flexible supply pipe designed for direct burial as well as Coax Couplings & Fittings These piping connections are indirect burial within flexible ducting made of a combination of a glass reinforced plastic and stainless called GeoDuct for future replacement steel featuring a double wall design. Coax fittings require the use of capabilities. GeoFlex supply pipe is a ^ the Environ Coupling Machine to install the pipe couplings. totally bonded multi-layer composite construction with braided fiber Swivel Couplings&Fittings These piping connections are reinforcement. The inner-most barrier made of protected steel featuring a swivel nut connection with layer is smooth, which enhances a Viton gasket seal. Swivel fittings require the use of the Environ hydraulic flow efficiency, and is Coupling Machine to install the pipe couplings. impermeable to gasoline,alcohol blends and a wide variety of other fuels and chemicals.The exterior of the pipe also has a barrier layer to Barbed Fittings These piping connections are made of protect the cutter wall of the pipe from chemical and microbial attack. protected steel featuring a barbed connection, eliminating the GeoFlex supply piping is available in both single wall and double wall need for pipe couplings. The Environ Coupling Machine is not in continuous lengths. needed for barbed fittings. 2