1、Designation: F1960 15F1960 18 An American National StandardStandard Specification forCold Expansion Fittings with PEX Reinforcing Rings for Usewith Cross-linked Polyethylene (PEX) and Polyethylene ofRaised Temperature (PE-RT) Tubing1This standard is issued under the fixed designation F1960; the numb
2、er immediately 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*
3、1.1 This specification covers cold expansion fittings and cross-linked (PEX) reinforcing rings for use with cross-linkedpolyethylene (PEX) plastic tubing in nominal tubing sizes of 38, 12, 58, 34, 1, 114, 112 in. , 2, 212, and 3 in. nominal diametersthat meet the requirements of Specifications F876
4、and for use with Polyethylene of Raised Temperature (PE-RT) pipe in nominaltubing sizes of 38, 12, 58, 34, 1, 114, 112, 2, 212, and 3 that meet the requirements of Specification F877F2769. These fittings areintended for use in 100 psi (690 kPa) cold- and hot-water distribution systems operating at t
5、emperatures up to and including 180F(82C).180 F (82 C). The system is comprised of a PEX reinforcing ring and a cold expansion fitting. Included are therequirements for materials, workmanship, dimensions, and markings to be used on the fitting components. The componentscovered by this specification
6、are intended for use in residential and commercial, hot and cold, potable water distribution systemsas well as sealed central heating, including under-floor-heating systems.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconve
7、rsions to SI units that are provided for information only and are not considered standard.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety safety, health, an
8、d healthenvironmental practices and determine theapplicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of Internationa
9、l Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A351/A351M Specification for Castings, Austenitic, for Pressure-Containing PartsB16/B16M Specification for Free-Cutting Brass Rod, Bar
10、and Shapes for Use in Screw MachinesB140/B140M Specification for Copper-Zinc-Lead (Red Brass or Hardware Bronze) Rod, Bar, and ShapesB62 Specification for Composition Bronze or Ounce Metal CastingsB75/B75M Specification for Seamless Copper TubeB283/B283M Specification for Copper and Copper-Alloy Die
11、 Forgings (Hot-Pressed)B371/B371M Specification for Copper-Zinc-Silicon Alloy RodB453/B453M Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod, Bar, and ShapesB584 Specification for Copper Alloy Sand Castings for General ApplicationsB927/B927M Specification for Brass Rod, Bar, and ShapesB96
12、7/B967M Specification for Copper-Zinc-Tin-Bismuth Alloy Rod, Bar and WireD792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by DisplacementD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1600 Terminology for Abbreviated Terms Relating to Pla
13、sticsD2122 Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings1 This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommittee F17.10 on FittingsCurrent edition approved April 1, 2015Oct. 1, 2018. Pu
14、blished May 2015October 2018. Originally approved in 1999. Last previous edition approved in 20142015 asF1960 14a.F1960 15. DOI: 10.1520/F1960-15.10.1520/F1960-18.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book
15、of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technica
16、lly possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this sta
17、ndardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1D2765 Test Methods for Determination of Gel Content and Swell Ratio of Crosslinked Ethylene PlasticsD3035 Specification for Polyethylene (PE) Plastic Pipe (DR-PR) Based on Controlle
18、d Outside DiameterD6394 Specification for Sulfone Plastics (SP)F412 Terminology Relating to Plastic Piping SystemsF876 Specification for Crosslinked Polyethylene (PEX) TubingF877 Specification for Crosslinked Polyethylene (PEX) Hot- and Cold-Water Distribution SystemsF2769 Specification for Polyethy
19、lene of Raised Temperature (PE-RT) Plastic Hot and Cold-Water Tubing and DistributionSystems2.2 ANSI Standard:B1.20 Pipe Threads General Purpose3B16.18 Cast Copper Alloy Solder Joint Pressure FittingsB16.22 Wrought Copper and Copper Alloy Solder Joint Pressure Fittings2.3 NSF Standards:NSF 14 for Pl
20、astic Piping Components and Related Materials4NSF 61 for Drinking Water System Components-Health Effects42.4 Manufacturers Standardization Society Standards:SP-104 Wrought Copper Solder Joint Pressure Fittings53. Terminology3.1 Definitions:3.1.1 Definitions are in accordance with Terminology F412 an
21、d abbreviations are in accordance with Terminology D1600,unless otherwise indicated.3.1.2 PEX reinforcing ringscross-linked polyethylene rings used to add contraction force around the cold expansion fittings.4. Classification4.1 This specification covers one class of cold expansion fittings with PEX
22、 reinforcing rings suitable for use with PEX tubingthat meets the requirements of Specifications F876 and with PE-RTtubing that meets the requirements of Specification F877F2769.5. Materials and Manufacture5.1 Cold expansion fittings shall be made from one of the following materials:5.1.1 Brass:5.1.
23、1.1 Machined BrassMachined brass fittings shall be made from material meeting the requirements of one of the followinglisted below:Specification AlloyASTM B16/B16M UNS C36000ASTM B140/B140M UNS C31400ASTM B371/B371M UNS C69300Standard EN 12164 CW614NASTM B453/B453M UNS C35300ASTM B927/B927M UNS C274
24、50, C27451ASTM B967/B967M UNS C49260, C493405.1.1.2 Forged BrassForged brass fittings shall be made from material meeting the requirements of SpecificationB283/B283M, CopperAlloy UNS Nos. C27450, C27451, C27453, C35330, C36500, C37700, C46400, C48600, C49260, C49340,or C69300.5.1.1.3 Cast Copper All
25、oysCast copper alloy fittings shall be made from material meeting the requirements of SpecificationB584, Copper Alloy UNS Nos. C84400, C83800, C87850 or C89844 or C89836 or Specification B62, Copper Alloy UNS No.C83600, or Standard EN 1982, copper alloy EN Symbol CuSn4Zn6Pb3C.5.1.2 Sulfone:5.1.2.1 2
26、0 % Glass-Filled PolysulfonePolysulfone fittings produced using glass reinforcement shall be molded frompolysulfone materials as specified in Specification D6394. The polymers shall consist of polysulfone and glass fiber and meet thefollowing line call out for additional properties (SP0113G20A30430)
27、.5.1.2.2 Unreinforced Sulfone Plastic (SP)Fittings shall be molded from sulfone plastic (SP) as specified in SpecificationD6394. The material shall be unreinforced polysulfone (group 01, class 1, grade 2), or polyphenylsulfone (group 3, class 1, grade2.) Material may also be an unreinforced blend of
28、 these two materials with the polyphenylsulfone continuous phase comprising55 to 80% of the blend.3 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org4 Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., A
29、nn Arbor, MI 48113-0140, http:/www.nsf.org.5 Available from Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http:/www.mss-.F1960 1825.1.2.3 Clean rework material of the same commercial designation, generated for the manufacture
30、rs own production may beused by the same manufacturer, provided the fittings meet all of the requirements of this specification. Rework material shall notbe introduced at a ratio exceeding 25%.5.2 Reinforcing rings shall be made from PEX material meeting the performance requirements of 6.1.5.3 Stain
31、less Steelfittings shall be made from material meeting the requirements of Specification A351/A351M, stainless steelUNS No. J92800.5.4 Wrought CopperWrought copper fittings shall be made from material meeting the requirements of SpecificationB75/B75M for one of the following coppers: copper UNS C102
32、00, C10300, C10800, or C12200.6. General Requirements6.1 The following sections of Specification F877 constitute a part of this specification.6.1.1 Requirements,6.1.2 Test Methods, and6.1.3 Retest and Rejection.6.2 In addition, when a section with a title identical to that referenced in 6.1, above,
33、appears in this specification, it containsadditional requirements that supplement those appearing in F877.6.1 System Performance Requirements: GeneralAll performance tests shall be performed on assemblies of fittings, PEXreinforcing rings and PEX or PE-RT tubing. Fittings and reinforcing rings shall
34、 meet the material and dimensional requirementsof this specification. PEX tubing shall meet the requirements of Specifications F876. PE-RT tubing shall meet the requirementsof Specification F2769. Assembly of test specimens shall be in accordance with 10.1. Each assembly shall contain at least twojo
35、ints. Use separate sets of assemblies for each performance test requirement.6.1.1 GeneralAll performance tests shall be performed on assemblies of fittings, PEX reinforcing rings and PEX tubing.Fittings and reinforcing rings shall meet the material and dimensional requirements of this specification.
36、 PEX tubing shall meetthe requirements of SpecificationsFitting manufactured according to this specification and intended for use with PEX tubingmeeting requirements of Specification F876 and , shall comply with the following performance requirements of Specification F877.Assembly of test specimens
37、shall be in accordance When a section with 10.1. Each assembly shall contain at least two joints. Useseparate sets of assemblies for each performancean identical title appears in this specification, it contains additional requirementsthat supplement those found in Specification F877test requirement6
38、.1.1.1 Requirements,6.1.1.2 Test Methods, and6.1.1.3 Retest and Rejection.6.1.2 DimensionsAny randomly selected fitting or fittings and PEX reinforcing rings shall be used to determine dimensions.Measurements shall be made in accordance with Test Method Fittings, manufactured according to this speci
39、fication and intendedfor use with PE-RT tubing meeting the requirements of Specification D2122F2769, except determine diameter by makingmeasurements at four locations spaced at approximately 45 apart around the circumference. Inspection and gauging of soldershallcomply with the following performance
40、 requirements of Specification F2769joint ends shall be accordance with ANSI B16.18,ANSI B16.22, or Manufacturers Standardization Society SP-104 When a section with an identical title appears in thisSpecification, it contains additional requirements that supplement those found in Specification F2769
41、.6.1.2.1 Requirements,6.1.2.2 Test Methods, and6.1.2.3 Retest and Rejection.6.2 DimensionsAny randomly selected fitting or fittings and PEX reinforcing rings shall be used to determine dimensions.Measurements shall be made in accordance with Test Method D2122, except determine diameter by making mea
42、surements at fourlocations spaced at approximately 45 apart around the circumference. Inspection and gauging of solder joint ends shall beaccordance with ANSI B16.18, ANSI B16.22, or Manufacturers Standardization Society SP-104.7. Performance Requirements7.1 PEX Reinforcing Rings:7.1.1 DensityWhen d
43、etermined in accordance with 11.1, the PEX reinforcing rings shall have a density in the range from 926to 940 kg/m3.7.1.2 Degree of Cross-linkingWhen tested in accordance with 11.2, the degree of cross-linking for PEX reinforcing rings shallbe within the range from 70 to 89% inclusive.7.1.3 Stabiliz
44、er Migration ResistanceWhen tested in accordance with 11.3, the time t2, shall be at least 50% of the time, t1.8. Dimensions8.1 Dimensions and TolerancesThe dimensions and tolerances of fittings and PEX reinforcing rings shall be as shown in Figs.1 and 2, and Fig. 4 when measured in accordance with
45、6.3.26.2.F1960 183NOTE-BREAK ALL INTERNAL CORNERS .003 minALL DIAMETER CONCENTRICITY .005 TIR*Maximum width of dimension “G” allowed to transition to surface of dimension “B”Brass, Stainless Steel and Wrought Copper DimensionsSizeNominalTubingSizesMin.WallMin.IDAmaxminBmaxminCmaxminDmaxminEmaxminFma
46、xminGminHmaxminImaxminJmaxmin38 in. 0.047 0.260 0.395 0.441 0.480 0.427 0.067 0.128 0.325 0.127 0.28638 0.047 0.260 0.395 0.441 0.480 0.427 0.067 0.128 0.325 0.127 0.2860.375 0.433 0.472 0.407 0.051 0.108 0.051 0.305 0.107 0.26612 in. 0.057 0.378 0.533 0.579 0.618 0.565 0.067 0.128 0.404 0.167 0.325
47、12 0.057 0.378 0.533 0.579 0.618 0.565 0.067 0.128 0.404 0.167 0.3250.513 0.571 0.610 0.545 0.051 0.108 0.051 0.384 0.147 0.30558 in. 0.057 0.500 0.655 0.697 0.748 0.683 0.067 0.167 0.482 0.207 0.40458 0.057 0.500 0.655 0.697 0.748 0.683 0.067 0.167 0.482 0.207 0.4040.635 0.689 0.740 0.663 0.051 0.1
48、47 0.051 0.462 0.187 0.38434 in. 0.057 0.595 0.748 0.795 0.874 0.782 0.067 0.207 0.522 0.246 0.44334 0.057 0.595 0.748 0.795 0.874 0.782 0.067 0.207 0.522 0.246 0.4430.728 0.787 0.866 0.762 0.051 0.187 0.051 0.502 0.226 0.4231 in. 0.072 0.795 0.985 1.032 1.110 0.998 0.067 0.246 0.640 0.285 0.5611 0.
49、072 0.795 0.985 1.032 1.110 0.998 0.067 0.246 0.640 0.285 0.5610.965 1.024 1.102 0.978 0.051 0.226 0.051 0.620 0.265 0.541114 in. 0.075 0.960 1.159 1.276 1.362 1.237 0.080 0.299 0.781 0.348 0.684114 0.075 0.960 1.159 1.276 1.362 1.237 0.080 0.299 0.781 0.348 0.6841.139 1.266 1.352 1.217 0.064 0.279 0.064 0.761 0.328 0.664112 in. 0.095 1.084 1.324 1.382 1.494 1.349 0.093 0.351 0.919 0.408 0.805112 0.095 1.084 1.324 1.382 1.494 1.349 0.093 0.351 0.919 0.408 0.8051.304 1.374 1.486 1.329 0.077 0.331 0.077 0.899 0.388 0.
