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Motor Vehicle Fuels <br />100% ASTM Reference Fuel No. 2 <br />100% ASTM Reference Fuel C <br />85% Reference Fuel C — 15% MTBE <br />70% Reference Fuel C — 30% Ethanol <br />85% Reference Fuel C — 15% Methanol <br />High Blend Fuels <br />50% Reference Fuel C - 50% Methanol <br />50% Reference Fuel C - 50% Ethanol <br />Concentrated Fuels <br />100% Methanol <br />100% Ehtanol <br />100% Toluene <br />Aviation and Marine Fuels <br />100% Premium Leaded Gas <br />100% Kerosene <br />WARNING: FlexWorks piping is not warranted for <br />above ground transmission of flammable liquids due <br />to the possible exposure to fire. <br />1.3 Piping Applications <br />OPW-FCS's flexible supply piping can be direct buried <br />underground or installed inside a flexible conduit. <br />• Pressure System Supply Piping Vent Piping <br />• Suction System Supply Piping Remote Fill Lines <br />• *Marina Supply Piping <br />*Properly designed applications, such as under dock marina <br />applications may be allowed with special approval and war- <br />ranty restrictions. Other above ground applications containing <br />flammables must have prior written approval and authorization <br />from OPW-FCS for warranty coverage. All installation practices <br />shall comply with the installation instructions contained within <br />this and other OPW-FCS product manuals. <br />WARNING: Flex piping is not warranted for above ground <br />transmission of flammable liquids due to the possible exposure <br />to fire. <br />1.4 Operating Pressures and Temperatures <br />OPW-FCS flexible piping and its associated fitting systems have a <br />minimum five to one (5:1) safety factor from maximum rated <br />operating pressure for the primary pipe. The product fluids <br />transferred should not exceed the maximum operating pressures <br />indicated on each pipe size. For suction systems the pipe is <br />capable of withstanding 29" mercury vacuum. The maximum <br />temperature rating of OPW FCS's flexible piping is 125°F <br />(52°C). <br />Pie Size Maximum Working Pressure Rating <br />3/4" 145 psi <br />1" 125 psi <br />1-1/2" 100 psi <br />2" 75 psi <br />3" 75 psi <br />F/e,VW R KS <br />BY OPW FUELING CONTAINMENT SYSTEMS <br />1.5 Warranted Fuels <br />Warranted fuels are listed as follows: <br />• Gasoline • Methanol • Kerosene • Jet "A" <br />• Gasohol • Alcohol fuels • Diesel Fuels <br />• Ethanol • Av-gas • Motor Oils <br />Contact OPW-FCS for chemical compatibility of fluids not listed above. <br />1.6 Pipe Packaging <br />OPW-FCS's flexible piping systems <br />are available in a variety of piping <br />diameters on continuous rolls and <br />packaged in easy to handle protective <br />cartons and reels. Refer to the OPW- <br />FCS Product Price List for pipe <br />diameters <br />and packaging specifications. <br />CAUTION: Do not use knives or razor blades <br />to open carton as damage to piping could occur. <br />{ <br />nMi <br />AV. :Ff <br />2.0 SPECIFYING FLEXIBLE PIPING <br />OPW-FCS's flexible piping systems offers a variety of piping <br />options for underground fuel delivery applications. Prior to <br />specifying the type of piping required, read section 6 of this <br />manual entitled "Pre -Installation Planning". <br />2.1 Flex Supply Piping <br />FlexWorks flexible supply piping is designed for direct burial <br />as well as indirect burial within flexible ducting for future <br />replacement capabilities. OPW-FCS's supply piping is totally <br />bonded multi -layer composite construction. The inner-most <br />barrier layer is smooth, which enhances hydraulic flow <br />efficiency, and is virtually impervious to gasoline, alcohol <br />blends and a wide variety of other fuels and chemicals. The <br />exterior of the pipe also has a barrier layer to protect the <br />outer wall of the pipe from chemical and microbial attack. <br />OPW-FCS's flexible supply piping is available in double wall <br />in continuous lengths. <br />2.2 FlexWorks Double Piping <br />A UL listed double wall flexible supply piping system that is <br />designed for installation within Access piping. The outer <br />containment jacket includes inner stand-off ribs to create a <br />small interstitial space which allows for optimum fluid <br />migration, continuous monitoring and easy periodic testing. <br />This piping features an enhanced construction that meets the <br />new UL971 standard. <br />2 3 Access Pipe <br />Access Pipe is a large diameter <br />corrugated flexible piping that adds <br />additional protection to OPW-FCS's <br />flexible piping and allows the pipeto be <br />removed and replaced without <br />excavation. Made of high density <br />polyethylene, this corrugated tube is <br />strong enough to withstand H-20 <br />loading requirements when properly <br />buried and thick enou h to minimize <br />g <br />damage from shipping and jobsite handling. Access Pipe <br />can accommodate the 3/4 ", 1", 1-1/2", 2" and 3" Flex supply <br />lam <br />