1、Designation:F250912Standard Specification forField-assembled Anodeless Riser Kits for Use on OutsideDiameter Controlled Polyethylene Gas Distribution Pipe andTubing1This standard is issued under the fixed designation F2509;the number immediately following the designation indicates the year oforigina
2、l adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers requirements and test methodsfor field-assemble
3、d anodeless riser kits for use with outsidediameter controlled polyethylene gas distribution pipe andtubing in sizes through 2 IPS as specified in specificationD2513.1.2 The test methods described are not intended to beroutine quality control tests.1.3 This specification covers the types of field-as
4、sembledanodeless riser kits described in 3.3.2.1.4 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand not considered standard.1.5 The text of this standard references no
5、tes and footnoteswhich provide explanatory material.These notes and footnotes(excluding those in tables and figures),shall not be consideredas requirements of the standard.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility o
6、f the user of this standard to establish appro-priate safety and health practices and to determine theapplicability of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2A513 Specification for Electric-Resistance-Welded Carbonand Alloy Steel Mechanical TubingA53/A53M Speci
7、fication for Pipe,Steel,Black and Hot-Dipped,Zinc-Coated,Welded and SeamlessD638 Test Method for Tensile Properties of PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2513 Specification for Polyethylene(PE)Gas PressurePipe,Tubing,and FittingsF412 Terminology Relating to Plastic
8、Piping SystemsF1948 Specification for Metallic Mechanical Fittings forUse on Outside Diameter Controlled Thermoplastic GasDistribution Pipe and TubingF2897 Specification for Tracking and Traceability EncodingSystem of Natural Gas Distribution Components(Pipe,Tubing,Fittings,Valves,and Appurtenances)
9、2.2 ASME Standards:3ASME Boiler and Pressure Vessel Code3ASME B1.20.1 Pipe Threads,General Purpose(Inch)4B31.8 Gas Transmission and Distribution Piping Systems2.3 Federal Regulations:4United States CFR,Title 49,Part 192Pipeline SafetyRegulations2.4 UL Standard:5UL 360 Standard for Liquid-Tight Flexi
10、ble Steel Conduit3.Terminology3.1 The gas industry terminology used in this specificationis in accordance with ASME B31.8 or the United States CFR,Title 49,Part 192,unless otherwise indicated.3.1.1 pipeused herein refers to both“pipe”and“tubing”unless specifically stated otherwise.3.1.2 gasused here
11、in refers to any fuel gas unless specifi-cally stated otherwise.3.2 DefinitionsDefinitions are in accordance with Termi-nology F412 unless otherwise specified.Abbreviations are inaccordance with Terminology D1600 unless otherwise speci-fied.1This specification is under the jurisdiction of ASTM Commi
12、ttee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.60 on Gas.Current edition approved Aug.1,2012.Published October 2012.Originallyapproved in 2006.Last previous edition approved in 2012 as F250906(2012).DOI:10.1520/F2509-12.2For referenced ASTM standards,visit the
13、 ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Three Park A
14、ve.,New York,NY 10016-5990,http:/www.asme.org.4Available from the Superintendent of Documents,U.S.Government PrintingOffice,Washington,DC 20402.5Available from Underwriters Laboratories(UL),2600 N.W.Lake Rd.,Camas,WA 98607-8542,http:/.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,We
15、st Conshohocken,PA 19428-2959.United States1 3.3 Definitions:3.3.1 anodeless riser,na type of mechanical fitting whichis designed to transport gas from underground polyethylenepiping to above-ground metallic piping.When properlyinstalled,polyethylene pipe is the gas carrier in the belowground portio
16、n of an anodeless riser and is protected by ametallic riser casing when it extends above ground level.3.3.2 field-assembled anodeless riser kit,nA kit contain-ing all of the elements required to assemble an anodeless riserat the point of installation with the exception of the gas-carrying polyethylene pipe.It consists of,at a minimum,a risercasing and a riser adapter.These components may be eitherintegrally combined or include provisions for attachment toone another at the point of installation.