1、Designation: F2080 121An American National StandardStandard Specification forCold-Expansion Fittings With Metal Compression-Sleevesfor Cross-Linked Polyethylene (PEX) Pipe1This standard is issued under the fixed designation F2080; the number immediately following the designation indicates the year o
2、foriginal 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.1NOTEThe alignment in Figures 1 and 2 and Tables X1.1 and X1.2 was edi
3、torially corrected in June 2014.1. Scope*1.1 This specification covers cold-expansion fittings usingmetal compression-sleeves for use with cross-linked polyeth-ylene (PEX) plastic pipe in38-in.,12-in.,58-in.,34-in., 1-in.,114-in., 112-in., and 2 in. nominal diameters, whereby the PEXpipe is cold-exp
4、anded before fitting assembly. These cold-expansion fittings and metal compression-sleeves are intendedfor use in residential and commercial, hot and cold, potablewater distribution systems, as well as sealed central heating,including under-floor heating systems, with continuous opera-tion at pressu
5、res up to and including 100 psi (690 kPa), and attemperatures 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 require-ments are as referenced in S
6、pecification 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 precautionary caveat pertains only to thete
7、st 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 determine the applicability of regula
8、tory 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 Stainless Steel Bars and ShapesA312/A312M S
9、pecification 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 Specification for Composition Bronze or Ounce
10、 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 Copper Alloy Sand Castings forGenera
11、l 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 Terms Relating to Plas-ticsD2122 Tes
12、t 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 Distribution Systems2.2 ASME Standards:B1.20
13、.1 Pipe Threads General Purpose (Inch)31This 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, 2012. Published December 2012. Originallyapproved in 2001. Last pre
14、vious edition approved in 2009 as F2080 09. DOI:10.1520/F2080-12.2For 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 webs
15、ite.3Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Co
16、nshohocken, PA 19428-2959. United States1B16.18 Cast Copper Alloy Solder Joint Pressure Fittings(Inch)3B16.22 Wrought CopperAlloy Solder Joint Pressure Fittings(Inch)32.3 NSF Standards:Standard No. 14 for Plastic Piping Components and RelatedMaterials4Standard No. 61 for Drinking Water System Compon
17、entsHealth Effects42.4 MSS Standard:SP-104 Wrought Copper Solder Joint Pressure Fittings52.5 EN Standards:EN 12164 Copper 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
18、this specifica-tion are in accordance with Terminology F412, and abbrevia-tions are in accordance with Terminology D1600, unlessotherwise indicated.3.2 Definitions of Terms Specific to This Standard:3.2.1 cross-linked polyethylene, nplastics prepared bycross-linking (curing) polyethylene compounds (
19、PEX).3.2.2 fitting assembly, ncomprised of a cold-expansionfitting and a metal compression-sleeve, whereby the PEX pipeis cold-expanded before fitting insertion, and the compression-sleeve is pulled over the PEX pipe.4. Classification4.1 This specification covers one class of metal and plasticcold-e
20、xpansion fittings with metal compression-sleeves suit-able for use with PEX pipe that meets the requirements ofSpecifications F876 and F877.5. Materials and Manufacture5.1 FittingsCold-expansion fittings shall be made fromone of the following materials:5.1.1 Machined BrassMachined brass cold-expansi
21、on fit-tings shall be made 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
22、Standard EN 12164, Copper 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 Specifi
23、cation A276, stainless 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 Forg
24、ed BrassForged brass cold-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 c
25、old-expansion fittings 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 Bra
26、ssMachined brass compression-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 UNS
27、C69300.5.2.2 Machined Stainless 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
28、304Lor 316L.5.3 PlatingPlating 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 ele
29、ctroplated nickelcoating 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
30、 (cold-expansion fittings andcompression-sleeves) and PEX pipe. Fittings shall meet thematerial and dimensional requirements of this specification.PEX pipe shall meet the requirements of Specifications F876and F877. Assembly of test specimens shall be in accordancewith 9.3. Each assembly shall conta
31、in at least two joints. Useseparate sets of assemblies for each performance test require-ment.6.2 Fittings shall comply with the following performancerequirements of Specification F877. When a section with an4Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, MI 48113-0
32、140, http:/www.nsf.org.5Available from Manufacturers Standardization Society of the Valve andFittings Industry, 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
33、1212identical 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, and6.2.3 Retest and Rejection.7. Dimensions7.1 Dimensions and TolerancesThe dimensions and toler-ances of the cold-expansi
34、on 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 not exceed 1 off the true centerline axis.7.1.2 Fittings with Solder-Joint EndsSolder-joint end di-mensions shall be in accord
35、ance 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).7.1.4 Straight Threaded-EndsFitting threads shall beright-hand, conforming toASME B1.20.1, and shall be straightmechanical thr
36、eads (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 are of differentsizes or configurations (for example, threaded, solder), or both,the minimum ID applies to entire insert are
37、a.8. 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 shall be free of cracks, holes,Note 1All dimensions shal
38、l be measured with appropriate micrometers, such as pin or ball micrometers for wall thickness, and outside-diameter micrometers with flatanvils, or vernier calipers, to measure outside diameter and width of cold-expansion fittings and compression-sleeves.Note 2The average measurement is obtained fr
39、om measurements taken in at least four locations spaced at approximately 45around the circumference, in accordance with 10.1.Size AABC D E F GHIJBKCLMR1R2R3S38 in. 0.745+0.408 0.451 0.408 0.385 0.280 0.516 0.034 0.034 0.023 0.059 0.055 0.407 0.008 0.005 0.005 0.0000.420 0.461 0.418 0.395 0.292 0.536
40、 0.044 0.044 0.033 0.069 0.065 0.419 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 0.585 0.008 0.005 0.005 0.0000.550 0.590 0.552 0.525 0.402 0.720 0.044 0.044 0.036 0.110 0.065 0.600 0.020 0.010 0.015 0.01058 in. 1.110+0.596 0.671 0.634 0.605
41、0.480 0.820 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 0.715 0.020 0.010 0.015 0.01034 in. 1.110+0.703 0.778 0.742 0.715 0.590 0.820 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.
42、602 0.840 0.044 0.044 0.036 0.146 0.065 0.715 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 0.915 0.008 0.005 0.005 0.0000.918 1.000 0.956 0.918 0.780 1.090 0.064 0.044 0.044 0.192 0.072 0.930 0.020 0.010 0.017 0.010114 in. 1.600+1.110 1.159 1.1
43、57 1.110 0.923 1.316 0.005 0.034 0.034 0.189 0.113 1.016 0.018 0.005 0.005 0.2531.128 1.171 1.169 1.122 0.938 1.336 0.017 0.044 0.044 0.207 0.123 1.031 0.030 0.010 0.017 0.268112 in. 1.910+1.327 1.377 1.375 1.327 1.133 1.322 0.005 0.046 0.046 0.177 0.125 1.016 0.034 0.005 0.005 0.2531.345 1.389 1.38
44、7 1.339 1.145 1.342 0.017 0.056 0.056 0.195 0.135 1.031 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 0.212 0.156 1.239 0.034 0.005 0.005 0.2881.745 1.809 1.807 1.739 1.508 1.615 0.017 0.068 0.068 0.238 0.166 1.254 0.048 0.010 0.017 0.306A“A” dimensions (OD
45、) 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-Expansion Fittings Dimensions and Tolerances, in.F2080 1213blisters, voids, foreign inclusions, or other defects that arevisible to the unaided eye and that
46、 affect wall integrity.8.2 FlashExcept for the insert, molded polymer fittingsshall be free of flash in excess of 0.005 in. On the insert,molded polymer fittings shall be free of flash in excess of 0.002in. Flash, mismatch, and witness mark requirements for theinsert shall be in accordance with Figs
47、. 3 and 4.8.3 SplayMolded polymer fittings shall be free of visiblesplay excepting some light blushing at the gate location.9. Assembly9.1 Joints:9.1.1 Cold-Expansion JointsFittings shall be joined toPEX pipe by first expanding the end of the pipe with theexpander tool, inserting the cold-expansion
48、fitting into ex-panded pipe, then pulling the compression-sleeve over the PEXpipe and the fitting, compressing the pipe between thecompression-sleeve and the fitting. Cold-expansion fittings andcompression-sleeves shall meet the dimensional and materialrequirements of this specification. PEX pipe sh
49、all meet therequirements of Specifications F876 and F877.9.2 Expander Tool:9.2.1 The expander tool shall have a six-section axialexpanding cylindrical-shaped head with unexpanded and maxi-mum expanded diameters as shown in Table 1.9.2.2 The expander tool shall be inspected according tomanufacturers instructions.Size A B C D E F GAJ38 in. 0.160 0.210 0.380 0.780 0.566 0.525 0.730+200.174 0.222 0.395 0.795 0.579 0.533 3012 in. 0.160 0.210 0.380 0.780 0.680 0.648 0.820+200.174 0.222 0.395 0.795 0.693 0.656 3058 in. 0.160
