1、Designation:F196109Standard Specification forMetal Mechanical Cold Flare Compression Fittings with DiscSpring for Crosslinked Polyethylene(PEX)Tubing12This standard is issued under the fixed designation F1961;the number immediately following the designation indicates the year oforiginal adoption or,
2、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 covers metal mechanical cold flarecompression fittings with integra
3、l disc spring suitable for usewith cross-linked polyethelene PEX plastic tubing in38,12,58,and34nominal diameters.that meets the requirements ofSpecifications F876 and F877.These fittings are intended foruse in 100 psi(689.5 kPa)cold and hot water distributionssystems and hydronic heating systems op
4、erating at tempera-tures up to and including 180F(82C).Included are therequirements for materials,workmanship,dimensions,andmarkings to be used on the fittings.1.2 UnitsThe values stated in inch-pounds units are to beregarded as the standard.The values given in parentheses aremathematical conversion
5、s to SI units which are provided forinformation only and are not considered standard.1.3This 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 de
6、termine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3A666 Specification for Annealed or Cold-Worked AusteniticStainless Steel Sheet,Strip,Plate,and Flat BarB16/B16M Specification for Free-Cutting Brass Rod,Barand Shapes for Use in Screw Machines
7、B140/B140M Specification for Copper-Zinc-Lead(RedBrass or Hardware Bronze)Rod,Bar,and ShapesB283 Specification for Copper and Copper-Alloy Die Forg-ings(Hot-Pressed)D1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and Fit
8、tingsE18 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 Cold-Water Distribution Systems2.2 ASME Standards:4B1.20.1 Pipe
9、Threads General Purpose(inch)B16.18 Cast Copper Alloy Solder Joint Pressure FittingsB16.22 Wrought Copper and Copper Alloy Solder JointPressure Fittings2.3 NSF Standards:5NSF 14 Plastic Piping Components and Related MaterialsNSF 61 Drinking Water System Components-Health Effects2.4 DIN Standard:6DIN
10、 1766.2.5 Other Standard:7MSS SP-104,Wrought Copper Solder Joint Pressure Fittings3.Terminology3.1 DefinitionsDefinitions are in accordance with Termi-nology F412 and abbreviations are in accordance with Termi-nology D1600 unless otherwise indicated.1This specification is under the jurisdiction of A
11、STM 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 in 1999.Last previous edition approved in 2002 as F196102a.DOI:10.1520/F1961-09.2The cold flare compression fit
12、ting with integral disc spring is covered by apatent.Interested parties are invited to submit information regarding the identifica-tion of an alternative to this patented item to ASTM headquarters.Your commentswill receive careful consideration at a meeting of F17,which you may attend.3For reference
13、d 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 ASTM website.4Available from American Society of Mechanical Engineers(ASME),ASMEInternational
14、 Headquarters,Three Park Ave.,New York,NY 10016-5990,http:/www.asme.org.5Available from NSF International,P.O.Box 130140,789 N.Dixboro Rd.,AnnArbor,MI 48113-0140,http:/www.nsf.org.6Available from Deutsches Institut Fur Normung eV.Burggrafenstrasse 4 Berlin30,West Germany D-1000.7Available from Manuf
15、acturers Standardization Society of the Valve and FittingsIndustry(MSS),127 Park St.,NE,Vienna,VA 22180-4602,http:/www.mss-.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4
16、.Classification4.1 This specification covers one class of mechanical coldflare compression fittings suitable for use with four sizes ofPEX tubing that meets the requirements of Specifications F876and F877.5.Materials and Manufacture5.1 FittingsThe fittings shall be made from one of thefollowing metals:5.1.1 Machined Brass FittingsMachined brass fittingsshall be made from material meeting the requirements ofSpecification B140/B140M copper alloy UNS C31400,Speci-fication B16/B16M Copper Alloy UNS