1、Designation:F273518An American National StandardStandard Specification forPlastic Insert Fittings For SDR9 Cross-linked Polyethylene(PEX)and Polyethylene of Raised Temperature(PE-RT)Tubing1This standard is issued under the fixed designation F2735;the number immediately following the designation indi
2、cates the year oforiginal 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.Scope*1.1 This specification establishes requirements for
3、sulfoneplastic insert fittings and copper crimp rings for three sizes(12,34,and 1)of cross-linked polyethylene(PEX)tubing thatmeet the requirements for Specification F876 or F3253,andpolyethylene of raised temperature(PE-RT)tubing that meetthe requirements of Specification F2623.These fittings arein
4、tended for use in 100 psi(690 kPa)cold-and hot-waterdistribution systems operating at temperatures up to andincluding 180 F(82 C).Included are the requirements formaterial,molded part properties,performance,workmanship,dimensions,and markings to be used on the fittings and rings.1.2 UnitsThe values
5、stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.3 The following is an index of the appendix in thisspecification.GO/NO-GO Crimp GaugesAppendix X11.
6、4 The following precautionary caveat pertains only to thetest method portions,Sections 11 and 12,of this specification-.This standard does not purport to address all of the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to establish appropriate saf
7、ety,health,and environmental practices and determine the appli-cability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of I
8、nternational Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe
9、 and FittingsD6394 Specification for Sulfone Plastics(SP)F412 Terminology Relating to Plastic Piping SystemsF876 Specification for Crosslinked Polyethylene(PEX)Tub-ingF877 Specification for Crosslinked Polyethylene(PEX)Hot-and Cold-Water Distribution SystemsF1498 Specification for Taper Pipe Threads
10、 60 for Thermo-plastic Pipe and FittingsF1807 Specification for Metal Insert Fittings Utilizing aCopper Crimp Ring for SDR9 Cross-linked Polyethylene(PEX)Tubing and SDR9 Polyethylene of Raised Tem-perature(PE-RT)TubingF2623 Specification for Polyethylene of Raised Temperature(PE-RT)SDR 9 TubingF3253
11、 Specification for Crosslinked Polyethylene(PEX)Tubing with Oxygen Barrier for Hot-and Cold-WaterHydronic Distribution Systems2.2 ASME Standard:3B1.20.1 Pipe Threads General Purpose Inch2.3 NSF International Standard4NSF/ANSI Standard No,14 for Plastic Piping Componentsand Related MaterialsNSF/ANSI
12、Standard No.61 for Drinking Water SystemComponents-Health Effects1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved Nov.1,2018.Published December 2018.Originallyappr
13、oved in 2008.Last previous edition approved in 2016 as F273509(2016).DOI:10.1520/F273518.2For referenced ASTM standards,visit the 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 p
14、age onthe ASTM website.3Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5990,http:/www.asme.org.4Available from NSF International,P.O.Box 130140,789 N.Dixboro Rd.,AnnArbor,MI 48113-0140,http:/www.nsf.org.*A Summary of Chang
15、es section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision
16、on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.Terminology3.1 DefinitionsDefinitions are in accordance with Termi-nology F412 and abbreviations are in accordance with Termi-nology D1600,unless otherwise indicated.4.Classification4.1This specification governs one class of fittings andcopper crimp rings suitable for use with nominal size12,34,and 1 size PEX tubing that meets
