1、Designation:F273509Standard 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 indicates the year oforiginal ado
2、ption 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 sulfoneplastic insert fitting
3、s and copper crimp rings for three sizes(12,34,and 1)of cross-linked polyethylene(PEX)and poly-ethylene of raised temperature(PE-RT)plastic tubing.Thesefittings are intended for use in 100 psi(690 kPa)cold-andhot-water distribution systems operating at temperatures up toand including 180F(82C).Inclu
4、ded are the requirements formaterial,molded part properties,performance,workmanship,dimensions,and markings to be used on the fittings and rings.1.2 UnitsThe values stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units that a
5、re 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 X11.4 The following precautionary caveat pertains only to thetest method portions,Sections 11 and 12,of this specification.This standard do
6、es 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 safety andhealth practices and determine the applicability of regulatorylimitations prior to use.2.Referenced Documents2.1 ASTM Standards:2
7、D1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD6394 Specification for Sulfone Plastics(SP)F412 Terminology Relating to Plastic Piping SystemsF876 Specification for Crosslinked Polyethylene(PEX)Tub-ingF877 S
8、pecification for Crosslinked Polyethylene(PEX)Hot-and Cold-Water Distribution SystemsF1498 Specification for Taper Pipe Threads 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 Pol
9、yethylene of Raised Tem-perature(PE-RT)TubingF2623 Specification for Polyethylene of Raised Temperature(PE-RT)SDR 9 Tubing2.2 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 Stan
10、dard No.61 for Drinking Water SystemComponents-Health Effects3.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 and
11、copper crimp rings suitable for use with nominal size12,34,and 1 size PEX tubing that meets the requirements of Speci-fications F876 and polyethylene of raised temperature(PE-RT)tubing that meets the requirements of Specification F2623.5.Ordering Information5.1MaterialMaterialFittings shall be molde
12、d fromsulfone plastic(SP)as specified in Specification D6394.The1This test method 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 Dec.1,2009.Published January 2010.Originallyapproved
13、 in 2008.Last previous edition approved in 2008 as F273508.DOI:10.1520/F273509.2For 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 page onthe
14、ASTM website.3Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Three 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 Changes secti
15、on appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 material shall be polyphenylsulfone(group 03,class 1,grade 1or 2)or unreinforced polyphenylsulfone/polysulfone blends(group 04,Class 2,grade 1)or rework
16、ed plastic in accordancewith 5.1.1.Colored products can exceed the maximum specificgravity listed provided that they comply with all other proper-ties listed in Specification D6394 Table SP.5.1.1 Since fittings specified by this standard will be used inhot-and-cold water plumbing systems,a material used tomanufacture fittings in accordance with this specification mustdemonstrate qualities consistent with that application in addi-tion to the performance requirements of this specification.Those qu
