1、Designation: F2389 10An American National StandardStandard Specification forPressure-rated Polypropylene (PP) Piping Systems1This standard is issued under the fixed designation F2389; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision,
2、 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. Scope1.1 This specification establishes requirements for polypro-pylene (PP) piping system components made to metr
3、ic sizesand IPS schedule 80 sizes, and pressure rated for water serviceand distribution supply (see Appendix X1). Included arecriteria for materials, workmanship, dimensions and toler-ances, product tests, and marking for polypropylene (PP)piping system components such as pipe, fittings, valves, and
4、manifolds.1.2 The components governed by this specification shall bepermitted for use in water service lines, hot-and-cold waterdistribution, hydronic heating, and irrigation systems.1.3 The pipe and fittings produced under this specificationshall be permitted to be used to transport industrial proc
5、essfluids, effluents, slurries, municipal sewage, etc. The user shallconsult the manufacturer to determine whether the materialbeing transported is compatible with the polypropylene pipingsystem and will not affect the service life beyond limitsacceptable to the user.1.4 UnitsThe values stated in in
6、ch-pound units are to beregarded as standard. The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.5 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is
7、theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2. Referenced Documents2.1 ASTM Standards:2D792 Test Methods for Density and Specific Gravity (Rela-tive Density) of Plastics
8、by DisplacementD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD1600 Terminology for Abbreviated Terms Relating toPlasticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pip
9、e and FittingsD2749 Symbols for Dimensions of Plastic Pipe FittingsD3895 Test Method for Oxidative-Induction Time of Poly-olefins by Differential Scanning CalorimetryD4101 Specification for Polypropylene Injection and Extru-sion MaterialsF412 Terminology Relating to Plastic Piping SystemsF2023 Test
10、Method for Evaluating the Oxidative Resistanceof Crosslinked Polyethylene (PEX) Tubing and Systems toHot Chlorinated Water2.2 International Organization for Standardization (ISO)Standards:ISO 3127 Thermoplastic PipesDetermination of Resis-tance to External BlowsRound the Clock Method3ISO 4065 Thermo
11、plastics PipesUniversal Wall ThicknessTable3ISO 9080 Plastics Piping and Ducting SystemsDetermination of the Long-Term Hydrostatic Strength ofThermoplastics Materials in Pipe Form by Extrapolation3ISO 15874-2:2002 Plastics Piping Systems for Hot andCold Water InstallationsPolypropylene (PP)Part 2:Pi
12、pes3ISO 15874-3:2002 Plastics Piping Systems for Hot andCold Water InstallationsPolypropylene (PP)Part 3:Fittings3ISO/TS 15874-7 Plastics Piping Systems for Hot and ColdWater InstallationsPolypropylene (PP)Part 7: Guid-ance for the Assessment of Conformity32.3 NSF International Standards:NSF/ANSI 14
13、 Plastics Piping System Components andRelated Materials4NSF/ANSI 61 Drinking Water System ComponentsHealth Effects42.4 European Norm:1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.61 on Water.Current e
14、dition approved Feb. 1, 2010. Published February 2010. Originallyapproved in 2004. Last previous edition approved in 2007 as F2389-071. DOI:10.1520/F2389-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of AS
15、TMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from International Organization for Standardization (ISO), 1, ch. dela Voie-Creuse, Case postale 56, CH-1211, Geneva 20, Switzerland, http:/www.iso.ch.4Available from the Deutsches Institut fr
16、Normung, Burgrafenstrasse 6, 10787Berlin, Germany.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.prEN 10226-1 Pipe Threads Where Pressure Tight Joints areMade on the ThreadsPart 1: Designation, Dimensionsand Tolerances52.5 American
17、Society of Mechanical Engineers (ASME)Standard:B1.20.1 Pipe Threads, General Purpose, Inch62.6 Plastic Pipe Institute (PPI) Technical Report:TR-4 PPI Listing of Hydrostatic Design Basis (HDB),Strength Design Basis (SDB), Pressure Design Basis(PDB) and Minimum Required Strength (MRS) Ratingsfor Therm
18、oplastic Piping Materials73. Terminology3.1 Definitions:3.1.1 Definitions are in accordance with Terminology F412and abbreviations are in accordance with Terminology D1600,unless otherwise specified.3.2 Definitions of Terms Specific to This Standard:3.2.1 polypropylene random copolymer (PP-R), na pr
19、o-pylene plastic containing not more than 50 % of anotherolefinic monomer (or monomers), having no functional groupother than the olefinic group, copolymerized with the propy-lene.3.2.1.1 DiscussionThis term is also used for finishedcompound which comprises the PP-R resin and additives suchas colora
20、nts, UV inhibitors, and stabilizers. Polypropylenerandom copolymers containing more than one additionalmonomer are often referred to as “terpolymers.”3.2.2 plastic-to-metal transition fittings, na fitting de-signed to provide a means of connection between the PP pipingsystem and metal piping systems
21、 such as steel pipe and coppertubing. The fittings include a means of taking into account thedifferences in thermal expansion of the materials and maintain-ing a pressure-tight seal over the intended use temperaturerange.4. Classification4.1 GeneralThis specification covers PP piping systemsmade fro
22、m PPmaterials (PP-R) in various dimension ratios andpressure ratings.4.2 Thermoplastic Pipe Series and ScheduleThis specifi-cation covers PP pipe made in schedule 80 IPS sizes and metricsizes in accordance with ISO 4065.5. Materials and Manufacture5.1 The pipe and fittings shall be polypropylene mat
23、erial oftype PP-R. Clean rework material, of the same PP-R resingenerated from the manufacturers own pipe or fitting produc-tion, shall be permitted to be used provided the pipe or fittingsproduced meet all requirements of this specification.5.2 For pipe compound, the melt flow rate (MFR) shall note
24、xceed 10.8 grain/10 min (0.7 g/10 min), when tested inaccordance with D1238 using conditions of 4.76 lbm (2.16 kg)at 446F (230C).5.3 The density of the unreinforced, natural color PP mate-rial shall not exceed 56.9 lbm/ft3(912 kg/m3), when tested inaccordance with Test Method D1505 or Test Method D7
25、92.5.4 Minimum Required Strength (MRS)The PP materialused in the pipe and fittings shall have an MRS value of 1160psi (8.0 MPa) or 1450 psi (10.0 MPa) based on testing inaccordance with ISO 9080 and classification of the lowerconfidence limit (sLCL) at 50 years in accordance with ISO12162.5.5 Catego
26、rized Required Strength (CRSu,t)The PP mate-rial used in the pipe and fittings shall have a CRSu,tvalue of280 psi (1.93 MPa) based on testing in accordance with ISO9080 and classification of the lower confidence limit (sLCL)at180F (82C) and 50 years.5.6 Minimum Pressure RatingThe minimum pressure ra
27、t-ing of the pipe shall be 160 psi (1.1 MPa) at 73F (23C) and100 psi (0.69 MPa) at 180F (82C) for hot-and-cold distribu-tion and 160 psi (1.1 MPa) at 73F (23C) for cold waterservice.5.7 ThreadsFittings shall be permitted to be threaded byuse of metal inserts molded into the fitting.5.7.1 Metal threa
28、ds shall be constructed of brass or stainlesssteel inserts molded into the fitting.5.7.2 Threads shall not be molded or fabricated directly intothe polypropylene plastic.5.8 The piping compound shall be permitted to includecolorants, antioxidants, reinforcing materials and additivesnecessary for the
29、 finished product. The modified material andfinished product shall meet all requirements of this specifica-tion.NOTE 1The Plastics Pipe Institute (PPI) publishes listings of mini-mum required strength (MRS) and categorized required strength (CRSu,t)ratings for thermoplastic piping materials in Techn
30、ical Report No. 4(TR-4). ISO/TS 15874-7 provides guidance on evaluating the effect ofadditives on long-term strength of the pipe and fittings material.6. Workmanship, Finish and Appearance6.1 The pipe and fittings shall be free of visible cracks,holes, foreign inclusions, blisters and other known in
31、juriousdefects. The pipe and fittings shall be uniform in color, opacity,density and other physical properties.7. Dimensions and Tolerances7.1 Pipe DimensionsPipe dimensions shall meet the re-quirements in 7.1.1 and 7.1.2.7.1.1 Outside DiametersThe outside diameters and toler-ances shall be as shown
32、 in Table 1 (IPS Sch. 80), or Tables 2and 3 (metric series), when measured in accordance with TestMethod D2122. For diameters not shown in these tables, thetolerance shall be the same percentage of outside diameter asthose for the closest listed diameter.7.1.2 Wall ThicknessesThe wall thicknesses an
33、d toler-ances shall be as shown in Table 1,orTables 2 and 3, whenmeasured in accordance with Test Method D2122. For wallthicknesses (DRs) not shown in these tables, the minimumwall thickness shall be as calculated using the DR and outsidediameter, and the tolerance on the wall thickness shall be the
34、same percentage of the calculated minimum wall thickness asfor the closest listed minimum wall thickness.5Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, MI 48113-0140, http:/www.nsf.org.6European Committee for Standardization, 36, rue de Stassart, B-1050 Brussels.7A
35、vailable from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,Irving, TX 75062, http:/www.plasticpipe.org.F2389 1027.1.3 Threaded PipePipe covered by this specificationshall not be threaded.7.2 Fittings DimensionsFittings dimensions shall meetthe requirements in 7.2.1 through 7.2.4.7.2.1
36、ThreadsTaper threads for joining fittings shall com-ply with the requirements of ASME B1.20.1 for NPT metalthread inserts or prEN 10226-1 for metric threads. Threadsused by the manufacturer to join component parts of a fittingtogether shall meet the manufacturers specifications.7.2.2 Laying LengthsL
37、aying lengths shall be in accor-dance with the manufacturers specifications.7.2.3 Socket-fused FittingsDimensions for socket-fusedfittings shall be in accordance with Tables 4 and 5 (IPS Sch 80)or Tables 6 and 7 (metric series). Socket depth shall bemeasured from the face of the socket entrance to t
38、he face of thepipe stop at the socket bottom.7.2.4 Electrofusion FittingsDimensions for electrofusionfittings shall be in accordance with manufacturers specifica-tions.7.2.5 Valves and FlangesDimensions for valves andflanges shall be in accordance with the manufacturers speci-fications.8. Requiremen
39、ts8.1 Longitudinal ReversionWhen tested in accordancewith ISO 15874-2, at the conditions given in Table 8, the meanrelative change in pipe length shall not exceed 2 %.8.2 Melt Flow Rate (MFR) of Pipe and FittingsWhentested in accordance with D1238, the MFR of specimens takenfrom the finished pipe or
40、 fittings shall be within 30 % of theMFR of the compound used to produce the pipe or fitting. Twospecimens shall be tested, and both shall pass.8.3 Impact StrengthWhen tested in accordance with ISO3127, 9 of 10 specimens shall pass at the impact level specifiedin Table 9 at a test temperature of 32
41、6 2F (0 6 1C).8.4 Thermal Stability and Oxidative Induction Time (OIT)Pipe and fittings shall meet the requirements of 8.4.1thermalstability by hydrostatic testing, and 8.4.2oxidative inductiontime.8.4.1 When tested in accordance with Test Method D1598,pipe and fittings shall not fail at the pressur
42、e corresponding tothe pipe circumferential stresses and times given in Table 10.Ifan assembly fails at a joint, the fitting material shall bepermitted to be retested in pipe form.8.4.2 The oxidative induction time (OIT) shall be deter-mined on pipe and fittings in accordance with Test MethodD3895. T
43、wo specimens shall be tested and the average OIT ofthe two shall be at least 80 % of the OIT of the virgin materialcompound. For those materials which require final blending atthe extruder (masterbatch/resin), the 80% OIT requirementshall be based on the OIT of the pipe sample which has alsopassed t
44、he hydrostatic testing of 8.4.1or a pipe sample of thesame formulation containing no rework.TABLE 1 IPS Schedule 80 OD and Wall ThicknessNominalPipe SizeAverage OutsideDiameter, OD, in.Tolerance onOD, in.Out-of-roundness(maxmin)Minimum WallThickness, in.Tolerance on WallThickness, in.12 0.840 (21.34
45、) 60.004 (60.10) 0.015 (0.38) 0.147 (3.73) +0.020 (+0.51)34 1.050 (26.67) 60.004 (60.10) 0.020 (0.51) 0.154 (3.91) +0.020 (+0.51)1 1.315 (33.40) 60.005 (60.13) 0.025 (0.64) 0.179 (4.55) +0.021 (+0.53)1-12 1.900 (48.26) 60.006 (60.15) 0.030 (0.76) 0.200 (5.08) +0.024 (+0.61)2 2.375 (60.33) 60.006 (60
46、.15) 0.035 (0.89) 0.218 (5.54) +0.026 (+0.66)3 3.500 (88.90) 60.008 (60.20) 0.040 (1.02) 0.300 (7.62) +0.036 (+0.91)4 4.500 (114.30) 60.009 (60.23) 0.050 (1.27) 0.337 (8.56) +0.040 (+1.02)6 6.625 (168.28) 60.011 (60.28) 0.050 (1.27) 0.432 (10.97) +0.052 (+1.32)TABLE 2 Metric Sizes ODNominalSizeOutsi
47、de Diameter, ODMinimumAverage OD, in.MaximumAverage OD, in.MaximumOut-of-roundness, in.16 0.630 (16.0) 0.642 (16.3) 0.016 (0.4)20 0.787 (20.0) 0.799 (20.3) 0.016 (0.4)25 0.984 (25.0) 0.996 (25.3) 0.016 (0.4)32 1.260 (32.0) 1.272 (32.3) 0.020 (0.5)40 1.575 (40.0) 1.591 (40.4) 0.020 (0.5)50 1.969 (50.
48、0) 1.988 (50.5) 0.024 (0.6)63 2.480 (63.0) 2.504 (63.6) 0.024 (0.6)75 2.953 (75.0) 2.980 (75.7) 0.039 (1.0)90 3.543 (90.0) 3.579 (90.9) 0.039 (1.0)110 4.331 (110.0) 4.370 (111.0) 0.039 (1.0)125 4.921 (125.0) 4.969 (126.2) 0.051 (1.3)140 5.512 (140.0) 5.563 (141.3) . .160 6.299 (160.0) 6.358 (161.5)
49、. .200 7.874 (200.0) 7.953 (202.0) . .250 9.842 (250.0) 9.941 (252.5) . .280 11.023 (280.0) 11.142 (283.0) . .315 12.401 (315.0) 12.528 (318.2) . .355 13.976 (355.0) 14.118 (358.6) . .F2389 103TABLE 3 Metric Sizes Wall ThicknessNominalSizeMinimum Wall ThicknessDR=17.6 DR=17 DR=11 DR=7.3 DR=6 DR=5Min Wall, in. Tolerance, in. Min Wall, in. Tolerance, in. Min Wall, in. Tolerance, in. Min Wall, in. Tolerance, in. Min Wall, in. Tolerance, in. Min Wall, in. Tolerance, in.16 . . . . . . . . 0.071 (1.8) +0.020 (+0.50) 0.087 (
