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5/30/2018 QLXT.Guidelnfo-Piping,Flammable Liquid,Underground <br /> The words"Normal Vent" may be abbreviated"NV." <br /> The words"Primary Carrier"may be abbreviated"PC." <br /> The words"Secondary Containment"may be abbreviated"SC." <br /> The words"Vapor Recovery"may be abbreviated"VR." <br /> The words"Aviation and Marine"may be abbreviated"A&M." <br /> The word"Concentrated"may be abbreviated"CT." <br /> The words"High-blend"may be abbreviated"HB." <br /> The words"Motor Vehicle"may be abbreviated"MV." <br /> RELATED PRODUCTS <br /> See Flexible Connector Piping for Fuels(QLWV)and Tank Accessories for Flammable and Combustible Liquids(EGVV . <br /> ADDITIONAL INFORMATION <br /> For additional information,see Transfer Pipe,Containment Sumps and Pipe/Sump Accessories(QLVW),Containment Products for Flammable and <br /> Combustible Liquids(ECPR)and Flammable and Combustible Liquids and Gases Equipment(AAPQ). <br /> REQUIREMENTS <br /> The basic standard used to Investigate products in this category is UL 971,"Nonmetallic Underground Piping for Flammable Liquids,"in addition to <br /> the requirements contained in UL Subject 971A."Outline of Investigation for Metallic Underground Fuel Pipe." <br /> UL MARK <br /> The Certification Mark of UL on the pipe and/or fitting or on the smallest unit container in which the product Is packaged is the only method <br /> provided by UL to identify products manufactured under its Certification and Follow-Up Service.The Certification Mark for these products includes <br /> the UL symbol,the words"CERTIFIED"and"SAFETY,"the geographic identifier(s),and a file number. <br /> Alternate UL Mark <br /> The Listing Mark of UL on the pipe and/or fitting or smallest package unit is the only method provided by UL to identify products manufactured <br /> under its Listing and Follow-Up Service.The Listing Mark for these products includes the UL symbol(as illustrated in the Introduction of this <br /> Directory)together with the word"LISTED,"a control number,the appropriate piping system type or code(as specified under PIPING SYSTEM <br /> TYPES),and fuel types or codes(as specified under FUEL TYPES). <br /> UL,in performing its functions in accordance with its objectives,does not assume or undertake to discharge any responsibility of the manufacturer <br /> or any other party. UL shall not incur any obligation or liability for any loss,expense or damages,including incidental or consequential damages, <br /> arising out of or in connection with the use,interpretation of,or reliance upon this Guide Information. <br /> Last Updated on 2013-05-16 <br /> Questions? Print this page Terms of Use Page Top <br /> ©2018 UL LLC <br /> The appearance of a company's name or product in this database does not in itself assure that products so identified have been manufactured <br /> under UL's Follow-Up Service.Only those products bearing the UL Mark should be considered to be Certified and covered under UL's Follow-Up <br /> Service.Always look for the Mark on the product. <br /> UL permits the reproduction of the material contained in the Online Certification Directory subject to the following conditions: 1.The Guide <br /> Information,Assemblies,Constructions,Designs,Systems,and/or Certifications(files) must be presented in their entirety and in a non-misleading <br /> manner,without any manipulation of the data (or drawings).2.The statement"Reprinted from the Online Certifications Directory with permission <br /> from UL"must appear adjacent to the extracted material. In addition,the reprinted material must include a copyright notice in the following <br /> format: "©2018 UL LLC". <br /> hftps://database.ul.com/cgi-bin/XYV/template/LISEXT/1 FRAME/showpage.html?&name=QLXT.Guidelnfo&ccnshorttitle=Piping,+Flammable+Liquid,+Underground&ob <br />