1、Designation:F243414Standard Specification forMetal Insert Fittings Utilizing a Copper Crimp Ring for SDR9Cross-linked Polyethylene(PEX)Tubing and SDR9 Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene(PEX-AL-PEX)Tubing1This standard is issued under the fixed designation F2434;the number i
2、mmediately following the designation indicates 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 sp
3、ecification covers metal insert fittings with o-ringseals and copper crimp rings for use with Cross-linked Poly-ethylene(PEX)and Cross-linked Polyethylene/Aluminum/Cross-linked Polyethylene(PEX-AL-PEX)tubing in12,341,and 114in.nominal diameters that meet the requirements forSpecifications F876 and F
4、2262.These fittings are intended foruse in 125 psi(861.9 kPa)(PEX-AL-PEX)and 100 psi(689.5kPa)(PEX)cold-and hot-water distribution systems operatingat temperatures up to and including 180F(82C).Included arethe requirements for materials,workmanship,dimensions,performance,and markings to be used on t
5、he fittings and rings.1.2 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 are not considered standard.1.3 Compliance with this specification requires that thesefittin
6、gs be tested and certified to Specification F877 and F2262.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bilit
7、y of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2B16/B16M Specification for Free-Cutting Brass Rod,Barand Shapes for Use in Screw MachinesB62 Specification for Composition Bronze or Ounce MetalCastingsB140/B140M Specification for Copper-Zinc-Lead(RedBrass or Hardwar
8、e Bronze)Rod,Bar,and ShapesB283 Specification for Copper and Copper-Alloy Die Forg-ings(Hot-Pressed)B371/B371M Specification for Copper-Zinc-Silicon AlloyRodB584 Specification for Copper Alloy Sand Castings forGeneral ApplicationsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2122 Test
9、 Method for Determining Dimensions of Ther-moplastic Pipe and FittingsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsF412 Terminology Relating to Plastic Piping SystemsF876 Specification for Crosslinked Polyethylene(PEX)Tub-ingF877 Specification for Crosslinked Polyethylene(PEX)Hot-and
10、 Cold-Water Distribution SystemsF2262 SpecificationforCrosslinkedPolyethylene/Aluminum/Crosslinked Polyethylene Tubing OD Con-trolled SDR92.2 ASME Standards:3B1.20.1 Pipe Threads General Purpose(Inch)B16.18 Cast Copper Alloy Solder Joint Pressure FittingsB16.22 Wrought Copper and Copper Alloy Solder
11、 JointPressure Fittings2.3 Manufacturers Standardization Society Standard:SP-104 Wrought Copper Solder Joint Pressure Fittings42.4 NSF International Standards:5NSF/ANSI 14 Plastic Piping Components and Related Ma-terials1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPi
12、ping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved Aug.1,2014.Published September 2014.Originallyapproved in 2004.Last previous edition approved in 2009 as F2435-09.DOI:10.1520/F2434-14.2For referenced ASTM standards,visit the ASTM website,www.a
13、stm.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 Ave.,New York,NY 100
14、16-5990,http:/www.asme.org.4Available from Manufacturers Standardization Society of the Valve and FittingsIndustry(MSS),127 Park St.,NE,Vienna,VA 22180-4602,http:/www.mss-.5Available from NSF International,P.O.Box 130140,789 N.Dixboro Rd.,AnnArbor,MI 48113-0140,http:/www.nsf.org.*A Summary of Change
15、s section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 NSF/ANSI 61 Drinking Water System Components-HealthEffects3.Terminology3.1 Definitions are in accordance with Terminology F412and abbreviations a
16、re in accordance with Terminology D1600,unless otherwise indicated.4.Classification4.1 This specification covers one class of fittings and coppercrimp rings suitable for use with tubing that meets therequirements of Specifications F876 and F2262.5.Materials and Manufacture5.1 FittingsThe fittings shall be made from one of thefollowing metals:5.1.1 Cast Copper AlloysCast copper alloy fittings shallbe made from material meeting the requirements of Specifica-tion B584,Copper Alloy UNS Nos.C84400,C8
