1、Designation: F2080 15aStandard Specification forCold-Expansion Fittings with Metal Compression-Sleevesfor Crosslinked Polyethylene (PEX) Pipe1This standard is issued under the fixed designation F2080; the number immediately following the designation indicates the year oforiginal adoption or, in the
2、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 cold-expansion fittings usingmetal compression-sleeves for us
3、e with crosslinked polyethyl-ene (PEX) plastic pipe in accordance with Specification F876in38-in.,12-in.,58-in.,34-in., 1-in., 114-in., 112-in., and 2 in.nominal diameters, whereby the PEX pipe is cold-expandedbefore fitting assembly. The components covered by thisspecification are intended for use
4、in residential andcommercial, hot and cold, potable water distribution systems orother applications such as municipal water service lines,radiant panel heating systems, hydronic baseboard heatingsystems, snow and ice melting systems, geothermal under-ground pipe systems and building services pipe wi
5、th continu-ous operation at pressures up to and including 100 psi (690kPa), and at temperatures up to and including 180F (82C).1.2 Included in this specification are the requirements formaterials, workmanship, dimensions, and markings to be usedon the fittings and compression-sleeves. Performance re
6、quire-ments are as referenced in Specification F877.1.3 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are mathemati-cal conversions to SI units that are provided for informationonly and are not considered standard.1.4 The following precautio
7、nary caveat pertains only to thetest method portion, Section 10, of this specification. Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and de
8、termine the applicability of regulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2A108 Specification for Steel Bar, Carbon and Alloy, Cold-FinishedA269 Specification for Seamless and Welded AusteniticStainless Steel Tubing for General ServiceA276 Specification for Stainles
9、s Steel Bars and ShapesA312/A312M Specification for Seamless, Welded, andHeavily Cold Worked Austenitic Stainless Steel PipesA519 Specification for Seamless Carbon and Alloy SteelMechanical TubingB16/B16M Specification for Free-Cutting Brass Rod, Barand Shapes for Use in Screw MachinesB62 Specificat
10、ion for Composition Bronze or Ounce MetalCastingsB140/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)B371/B371M Specification for Copper-Zinc-Silicon AlloyRodB584 Specification for C
11、opper Alloy Sand Castings forGeneral ApplicationsB689 Specification for Electroplated Engineering NickelCoatingsB851 Specification for Automated Controlled Shot Peeningof Metallic Articles Prior to Nickel, Autocatalytic Nickel,or Chromium Plating, or as Final FinishD1600 Terminology forAbbreviated T
12、erms Relating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsF412 Terminology Relating to Plastic Piping SystemsF876 Specification for Crosslinked Polyethylene (PEX) Tub-ingF877 Specification for Crosslinked Polyethylene (PEX) Hot-and Cold-Water Distribut
13、ion Systems1This 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, 2015. Published December 2015. Originallyapproved in 2001. Last previous edition approved in 20
14、15 as F2080 15. DOI:10.1520/F2080-15A.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 ASTM website.*A Summary of Changes s
15、ection appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States12.2 ASME Standards:B1.20.1 Pipe Threads General Purpose (Inch)3B16.18 Cast Copper Alloy Solder Joint Pressure Fittings(Inch)3B16.22 Wrought Copp
16、erAlloy Solder Joint Pressure Fittings(Inch)32.3 NSF Standards:Standard No. 14 for Plastic Piping Components and RelatedMaterials4Standard No. 61 for Drinking Water System ComponentsHealth Effects42.4 MSS Standard:SP-104 Wrought Copper Solder Joint Pressure Fittings52.5 EN Standards:EN 12164 Copper
17、and Copper AlloysRod for Free Ma-chining Purposes6EN 12165 Copper and Copper AlloysWrought and Un-wrought Forging Stock63. Terminology3.1 DefinitionsDefinitions of terms used in this specifica-tion are in accordance with Terminology F412, and abbrevia-tions are in accordance with Terminology D1600,
18、unlessotherwise indicated.3.2 Definitions of Terms Specific to This Standard:3.2.1 crosslinked polyethylene, na polyethylene materialwhich has undergone a change in molecular structure using achemical or a physical process whereby the polymer chains arechemically linked3.2.2 fitting assembly, ncompr
19、ised of a cold-expansionfitting and a metal compression-sleeve, whereby the PEX pipeis cold-expanded before fitting insertion, and the compression-sleeve is pulled in an axial direction over the PEX pipe.4. Classification4.1 This specification covers one class of metal and plasticcold-expansion fitt
20、ings with metal compression-sleeves suit-able for use with PEX pipe that meets the requirements ofSpecification F876.5. Materials and Manufacture5.1 FittingsCold-expansion fittings shall be made fromone of the following materials:5.1.1 Machined BrassMachined brass cold-expansion fit-tings shall be m
21、ade from material meeting the requirements ofSpecification B16/B16M, Copper Alloy UNS C36000, orSpecification B140/B140M, Copper Alloy UNS C31400, orSpecification B371/B371M, Copper Alloy UNS C69300, orSpecification B283, Copper Alloy UNS C89844, Copper AlloyUNS No. C27450 or Standard EN 12164, Copp
22、er AlloyCW614N.5.1.2 Machined Stainless SteelMachined stainless steelcold-expansion fittings shall be made from material meetingthe requirements of Specification A312/A312M, stainless steelalloy 304L or 316L, or Specification A269, stainless steel alloy304L or 316L, or Specification A276, stainless
23、steel alloy 304Lor 316L.5.1.3 Machined Carbon SteelMachined carbon steel cold-expansion fittings shall be made from material meeting therequirements of Specification A108, Carbon Steel Alloy 1020or 1025, or Specification A519, Carbon Steel Alloy 1020, or1025 or 1026.5.1.4 Forged BrassForged brass co
24、ld-expansion fittingsshall be made from material meeting the requirements ofSpecification B283, Copper Alloy UNS C37700 or UNSC89844, or Copper Alloy UNS No. C27450, or Copper AlloyUNS C69300 or Standard EN 12165, Copper Alloy CW617N.5.1.5 Cast Copper AlloysCast copper alloy cold-expansion fittings
25、shall be made from material meeting therequirements of Specification B62 copper alloy UNS C83600,or Specification B584, copper-alloy UNS C83800, C84400 orC89844.5.2 Compression-SleevesMetal compression-sleeves shallbe made from one of the following materials:5.2.1 Machined BrassMachined brass compre
26、ssion-sleeves shall be made from material meeting the requirementsof Specification B16/B16M copper-alloy UNS C36000, orStandard EN 12168, Copper Alloy CW614N, or Copper AlloyUNS No. C27450, or Standard EN 12165, Copper AlloyCW617N, or Specification B371/B371M, Copper Alloy UNSC69300.5.2.2 Machined S
27、tainless SteelMachined stainless steelcompression-sleeves shall be made from material meeting therequirements of Specification A312/A312M, stainless steelalloy 304L or 316L, or Specification A269, stainless steel alloy304L or 316L, or Specification A276, stainless steel alloy 304Lor 316L.5.3 Plating
28、Plating of either fitting component with nickelor chrome, or other metal is optional and must fall within thedimensional tolerances of this specification. Plating can notnegatively affect the quality of markings or the ability to meetS1.2.5.3.1 Nickel PlatingApplication of electroplated nickelcoatin
29、g shall meet the requirements of Specifications B689 andB851.5.3.2 Chrome PlatingApplication of electroplated chromecoating shall meet the requirements of Specification B851.6. Performance Requirements6.1 GeneralAll performance tests shall be conducted onassemblies of fittings (cold-expansion fittin
30、gs andcompression-sleeves) and PEX pipe. Fittings shall meet thematerial and dimensional requirements of this specification.PEX pipe shall meet the requirements of Specification F876.Assembly of test specimens shall be in accordance with 9.3.3Available from American Society of Mechanical Engineers (
31、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.5Available from Manufacturers Standardization Society of the Valve andFittings Indust
32、ry, 5203 Leesburg Pike, Suite 502, Falls Church, VA 22041.6Available from European Committee for Standardization (CEN), 36 rue deStassart, B-1050, Brussels, Belgium, http:/www.cenorm.be.F2080 15a2Each assembly shall contain at least two joints. Use separatesets of assemblies for each performance tes
33、t requirement.6.2 Fittings shall comply with the following performancerequirements of Specification F877. When a section with anidentical title appears in this Specification, it contains addi-tional requirements that supplement those found in Specifica-tion F877.6.2.1 Requirements,6.2.2 Test Methods
34、, and6.2.3 Retest and Rejection.7. Dimensions7.1 Dimensions and TolerancesThe dimensions and toler-ances of the cold-expansion fittings and compression-sleeves,when measured in accordance with 10.1, shall be as shown inFigs. 1 and 2.7.1.1 AlignmentThe maximum angular variation of anyopening shall no
35、t exceed 1 off the true centerline axis.7.1.2 Fittings with Solder-Joint EndsSolder-joint end di-mensions shall be in accordance with ASME B16.18, ASMEB16.22, or MSS SP-104.7.1.3 Tapered Threaded-EndsFitting threads shall beright-hand, conforming to ASME B1.20.1, and shall be taperedthreads (NPT).7.
36、1.4 Straight Threaded-EndsFitting threads shall beright-hand, conforming toASME B1.20.1, and shall be straightmechanical threads (NPSM).7.1.5 Inside DiameterThe minimum inside diameter,listed as Dimension F in Fig. 1, applies to the entire fitting notjust the insert area. When fitting has ends that
37、are of differentsizes or configurations (for example, threaded, solder), or both,the minimum ID applies to entire insert area.Note 1All dimensions shall be measured with appropriate micrometers, such as pin or ball micrometers for wall thickness, and outside-diameter micrometers with flatanvils, or
38、vernier calipers, to measure outside diameter and width of cold-expansion fittings and compression-sleeves.Note 2The average measurement is obtained from measurements taken in at least four locations spaced at approximately 45around the circumference, in accordance with 10.1.Size AABC D E F GHIJBKCL
39、MR1R2R3S38 in. 0.745+0.408 0.451 0.408 0.385 0.280 0.515 0.034 0.034 0.023 0.059 0.055 0.405 0.008 0.005 0.005 0.0000.420 0.461 0.418 0.395 0.292 0.540 0.044 0.044 0.033 0.069 0.065 0.420 0.020 0.010 0.015 0.01012 in. 0.840+0.538 0.578 0.540 0.515 0.390 0.700 0.034 0.034 0.026 0.098 0.055 0.580 0.00
40、8 0.005 0.005 0.0000.550 0.590 0.552 0.525 0.402 0.725 0.044 0.044 0.036 0.110 0.065 0.600 0.020 0.010 0.015 0.01058 in. 1.100+0.596 0.671 0.634 0.605 0.480 0.815 0.034 0.034 0.026 0.133 0.055 0.700 0.008 0.005 0.005 0.0000.608 0.683 0.646 0.615 0.492 0.840 0.044 0.044 0.036 0.145 0.065 0.720 0.020
41、0.010 0.015 0.01034 in. 1.100+0.703 0.778 0.742 0.715 0.590 0.815 0.034 0.034 0.026 0.134 0.055 0.700 0.008 0.005 0.005 0.0000.715 0.790 0.754 0.725 0.602 0.840 0.044 0.044 0.036 0.146 0.065 0.720 0.020 0.010 0.015 0.0101 in. 1.375+0.900 0.988 0.944 0.908 0.768 1.070 0.054 0.034 0.034 0.180 0.062 0.
42、915 0.008 0.005 0.005 0.0000.918 1.000 0.956 0.918 0.780 1.095 0.064 0.044 0.044 0.192 0.072 0.935 0.020 0.010 0.017 0.010114 in. 1.600+1.110 1.159 1.157 1.110 0.923 1.315 0.005 0.034 0.034 0.189 0.113 1.015 0.018 0.005 0.005 0.2531.128 1.171 1.169 1.122 0.938 1.340 0.017 0.044 0.044 0.207 0.123 1.0
43、35 0.030 0.010 0.017 0.268112 in. 1.910+1.327 1.377 1.375 1.327 1.133 1.320 0.005 0.046 0.046 0.177 0.125 1.015 0.034 0.005 0.005 0.2531.345 1.389 1.387 1.339 1.148 1.345 0.017 0.056 0.056 0.195 0.135 1.035 0.048 0.010 0.017 0.2682 in. 2.300+1.727 1.797 1.795 1.727 1.493 1.595 0.005 0.058 0.058 0.21
44、2 0.156 1.235 0.034 0.005 0.005 0.2881.745 1.809 1.807 1.739 1.508 1.620 0.017 0.068 0.068 0.238 0.166 1.255 0.048 0.010 0.017 0.306A“A” dimensions (OD) are minimums. No maximum OD is specified, as this is a function of assembly tool geometry.BJ dimensions 3 PLS.CK dimensions 3 PLS.FIG. 1 Cold-Expan
45、sion Fittings Dimensions and Tolerances, in.F2080 15a38. Workmanship, Finish, and Appearance8.1 The fittings shall be made from materials that arehomogeneous throughout. All sealing surfaces shall be smoothand free of foreign material. The walls of cold-expansionfittings and compression-sleeves shal
46、l be free of cracks, holes,blisters, voids, foreign inclusions, or other defects that arevisible to the unaided eye and that affect wall integrity.8.2 SplayMolded polymer fittings shall be free of visiblesplay excepting some light blushing at the gate location.9. Assembly9.1 Joints:9.1.1 Cold-Expans
47、ion JointsFittings shall be joined toPEX pipe by first expanding the end of the pipe with theexpander tool, inserting the cold-expansion fitting into ex-panded pipe, then pulling the compression-sleeve over the PEXpipe and the fitting, compressing the pipe between thecompression-sleeve and the fitti
48、ng. Cold-expansion fittings andcompression-sleeves shall meet the dimensional and materialrequirements of this specification. PEX pipe shall meet therequirements of Specification F876.9.2 Expander Tool:9.2.1 The expander tool shall have a six-section radialexpanding cylindrical-shaped head with unex
49、panded and maxi-mum expanded diameters as shown in Table 1.9.2.2 The expander tool shall be inspected according tomanufacturers instructions.9.3 Procedure:9.3.1 Slide the compression-sleeve onto the pipe so that theinside-beveled end is facing toward the end of the pipe. Slidethe compression-sleeve far enough down the pipe so that it willnot prevent expansion of the pipe. Insert the head of theexpander-tool into the pipe. The expander-tool segments shallbe centered inside the pipe. Expand the pipe for approximatelySize A B C D E F G
