1、Designation: F2389 10F2389 15Standard 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, the year of last rev
2、ision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope Scope*1.1 This specification establishes requirements for polypropylene (PP) piping system components made to metric sizes and IP
3、Sschedule 80 sizes, and pressure rated for water service and distribution supply (see Appendix X1). Included are criteria formaterials, workmanship, dimensions and tolerances, product tests, and marking for polypropylene (PP) piping system componentssuch as pipe, fittings, valves, and manifolds.1.2
4、The components governed by this specification shall be permitted for use in water service lines, hot-and-cold waterdistribution, hydronic heating, and irrigation systems.1.3 The pipe and fittings produced under this specification shall be permitted to be used to transport industrial process fluids,e
5、ffluents, slurries, municipal sewage, etc. The user shall consult the manufacturer to determine whether the material beingtransported is compatible with the polypropylene piping system and will not affect the service life beyond limits acceptable to theuser.1.4 UnitsThe values stated in inch-pound u
6、nits are to be regarded as standard. The values given in parentheses aremathematical conversions to SI units that are provided for information only and are not considered standard.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the res
7、ponsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatoryrequirements prior to use.2. Referenced Documents2.1 ASTM Standards:2D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displace
8、mentD1238 Test Method for Melt Flow Rates of Thermoplastics by Extrusion PlastometerD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1598 Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal PressureD1600 Terminology for Abbreviated Terms Relating to Pla
9、sticsD2122 Test Method for Determining Dimensions of Thermoplastic Pipe and FittingsD2749 Symbols for Dimensions of Plastic Pipe FittingsD3895 Test Method for Oxidative-Induction Time of Polyolefins by Differential Scanning CalorimetryD4101 Specification for Polypropylene Injection and Extrusion Mat
10、erialsF412 Terminology Relating to Plastic Piping SystemsF2023 Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to HotChlorinated Water2.2 International Organization for Standardization (ISO) Standards:ISO 3127 Thermoplastic PipesDetermination
11、of Resistance to External BlowsRound the Clock Method3ISO 4065 Thermoplastics PipesUniversal Wall Thickness Table3ISO 9080 Plastics Piping and Ducting SystemsDetermination of the Long-Term Hydrostatic Strength of ThermoplasticsMaterials in Pipe Form by Extrapolation31 This specification is under the
12、 jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommittee F17.61 on Water.Current edition approved Feb. 1, 2010Aug. 1, 2015. Published February 2010August 2015. Originally approved in 2004. Last previous edition approved in 20072010 asF2389-07-10.
13、 1. DOI: 10.1520/F2389-10.10.1520/F2389-15.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from I
14、nternational Organization for Standardization (ISO), 1, ch. de la Voie-Creuse, Case postale 56, CH-1211, Geneva 20, Switzerland, http:/www.iso.ch.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 pre
15、vious version. Becauseit may not be technically 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 Ch
16、anges section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ISO 93932 Thermoplastics valves for industrial applications - Pressure test methods and requirements - Part 2: Test conditionsand basic r
17、equirementsISO 15874-2:2002 Plastics Piping Systems for Hot and Cold Water InstallationsPolypropylene (PP)Part 2: Pipes3ISO 15874-3:2002 Plastics Piping Systems for Hot and Cold Water InstallationsPolypropylene (PP)Part 3: Fittings3ISO/TS 15874-7 Plastics Piping Systems for Hot and Cold Water Instal
18、lationsPolypropylene (PP)Part 7: Guidance for theAssessment of Conformity32.3 NSF International Standards:NSF/ANSI 14 Plastics Piping System Components and Related Materials4NSF/ANSI 61 Drinking Water System ComponentsHealth Effects42.4 European Norm:prEN 10226-1 Pipe Threads Where Pressure Tight Jo
19、ints are Made on the ThreadsPart 1: Designation, Dimensions andTolerances52.5 American 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 Bas
20、is (SDB), Pressure Design Basis (PDB) andMinimum Required Strength (MRS) Ratings for Thermoplastic Piping Materials73. Terminology3.1 Definitions:3.1.1 Definitions are in accordance with Terminology F412 and abbreviations are in accordance with Terminology D1600,unless otherwise specified.3.2 Defini
21、tions of Terms Specific to This Standard:3.2.1 polypropylene random copolymer (PP-R), na propylene plastic containing not more than 50 % of another olefinicmonomer (or monomers), having no functional group other than the olefinic group, copolymerized with the propylene.3.2.1.1 DiscussionThis term is
22、 also used for finished compound which comprises the PP-R resin and additives such as colorants, UV inhibitors, andstabilizers. Polypropylene random copolymers containing more than one additional monomer are often referred to as“terpolymers.”3.2.2 plastic-to-metal transition fittings, na fitting des
23、igned to provide a means of connection between the PP piping systemand metal piping systems such as steel pipe and copper tubing. The fittings include a means of taking into account the differencesin thermal expansion of the materials and maintaining a pressure-tight seal over the intended use tempe
24、rature range.4. Classification4.1 GeneralThis specification covers PP piping systems made from PP materials (PP-R) in various dimension ratios andpressure ratings.4.2 Thermoplastic Pipe Series and ScheduleThis specification covers PP pipe made in schedule 80 IPS sizes and metric sizesin accordance w
25、ith ISO 4065.5. Materials and Manufacture5.1 The pipe and fittings shall be polypropylene material of type PP-R. PP-R in accordance with Specification D4101. Cleanrework material, of the same PP-R resin generated from the manufacturers own pipe or fitting production, shall be permitted tobe used pro
26、vided the pipe or fittings produced meet all requirements of this specification.5.2 For pipe compound, the melt flow rate (MFR) shall not exceed 10.8 grain/10 min (0.7 g/10 min), when tested in accordancewith Test Method D1238 using conditions of 4.76 lbm (2.16 kg) at 446F (230C).5.3 The density of
27、the unreinforced, natural color PP material shall not exceed 56.9 lbm/ft3 (912 kg/m3), when tested inaccordance with Test Method D1505 or Test Method D792.5.4 Minimum Required Strength (MRS)The PP material used in the pipe and fittings shall have an MRS value of 1160 psi (8.0MPa) or 1450 psi (10.0 M
28、Pa) based on testing in accordance with ISO 9080 and classification of the lower confidence limit (LCL)at 50 years in accordance with ISO 12162.4 Available from the Deutsches Institut fr Normung, Burgrafenstrasse 6, 10787 Berlin, Germany.5 Available from NSF International, P.O. Box 130140, 789 N. Di
29、xboro Rd., Ann Arbor, MI 48113-0140, http:/www.nsf.org.6 European Committee for Standardization, 36, rue de Stassart, B-1050 Brussels.7 Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825, Irving, TX 75062, http:/www.plasticpipe.org.F2389 1525.5 Categorized Required Strength (C
30、RS,t)The PP material used in the pipe and fittings shall have a CRS,t value of 280 psi(1.93 MPa) based on testing in accordance with ISO 9080 and classification of the lower confidence limit (LCL) at 180F (82C)and 50 years.5.6 Minimum Pressure RatingThe minimum pressure rating of the pipe shall be 1
31、60 psi (1.1 MPa) at 73F (23C) and 100psi (0.69 MPa) at 180F (82C) for hot-and-cold distribution and 160 psi (1.1 MPa) at 73F (23C) for cold water service.5.7 ThreadsFittings shall be permitted to be threaded by use of metal inserts molded into the fitting.5.7.1 Metal threads shall be constructed of
32、brass or stainless steel inserts molded into the fitting.5.7.2 Threads shall not be molded or fabricated directly into the polypropylene plastic.5.8 The piping compound shall be permitted to include colorants, antioxidants, reinforcing materials and additives necessary forthe finished product. The m
33、odified material and finished product shall meet all requirements of this specification.NOTE 1The Plastics Pipe Institute (PPI) publishes listings of minimum required strength (MRS) and categorized required strength (CRS,t ) ratingsfor thermoplastic piping materials in Technical Report No. 4 (TR-4).
34、 ISO/TS 15874-7 provides guidance on evaluating the effect of additives on long-termstrength 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 injurious defects. Thepi
35、pe and fittings shall be uniform in color, opacity, density and other physical properties.7. Dimensions and Tolerances7.1 Pipe DimensionsPipe dimensions shall meet the requirements in 7.1.1 and 7.1.2.7.1.1 Outside DiametersThe outside diameters and tolerances shall be as shown in Table 1 (IPS Sch. 8
36、0), or Tables 2 and 3(metric series), when measured in accordance with Test Method D2122. For diameters not shown in these tables, the tolerance shallbe the same percentage of outside diameter as those for the closest listed diameter.7.1.2 Wall ThicknessesThe wall thicknesses and tolerances shall be
37、 as shown in Table 1, or Tables 2 and 3, when measuredin accordance with Test Method D2122. For wall thicknesses (DRs) not shown in these tables, the minimum wall thickness shallbe as calculated using the DR and outside diameter, and the tolerance on the wall thickness shall be the same percentage o
38、f thecalculated minimum wall thickness as for the closest listed minimum wall thickness.7.1.3 Threaded PipePipe covered by this specification shall not be threaded.7.2 Fittings DimensionsFittings dimensions shall meet the requirements in 7.2.1 through 7.2.4.7.2.1 ThreadsTaper threads for joining fit
39、tings shall comply with the requirements of ASME B1.20.1 for NPT metal threadinserts or prEN 10226-1 for metric threads. Threads used by the manufacturer to join component parts of a fitting together shallmeet the manufacturers specifications.7.2.2 Laying LengthsLaying lengths shall be in accordance
40、 with the manufacturers specifications.7.2.3 Socket-fused FittingsDimensions for socket-fused fittings shall be in accordance with Tables 4 and 5 (IPS Sch 80) orTables 6 and 7 (metric series). Socket depth shall be measured from the face of the socket entrance to the face of the pipe stopat the sock
41、et bottom.7.2.4 Electrofusion FittingsDimensions for electrofusion fittings shall be in accordance with manufacturers specifications.7.2.5 Valves and FlangesDimensions for valves and flanges shall be in accordance with the manufacturers specifications.8. Requirements8.1 Longitudinal ReversionWhen te
42、sted in accordance with ISO 15874-2, at the conditions given in Table 8, the mean relativechange in pipe length shall not exceed 2 %.8.2 Melt Flow Rate (MFR) of Pipe and FittingsWhen tested in accordance with D1238, the MFR of specimens taken fromthe finished pipe or fittings shall be within 30 % of
43、 the MFR of the compound used to produce the pipe or fitting. Two specimensshall be tested, and both shall pass.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
44、, in.12 0.840 (21.34) 0.004 (0.10) 0.015 (0.38) 0.147 (3.73) +0.020 (+0.51)34 1.050 (26.67) 0.004 (0.10) 0.020 (0.51) 0.154 (3.91) +0.020 (+0.51)1 1.315 (33.40) 0.005 (0.13) 0.025 (0.64) 0.179 (4.55) +0.021 (+0.53)1-12 1.900 (48.26) 0.006 (0.15) 0.030 (0.76) 0.200 (5.08) +0.024 (+0.61)2 2.375 (60.33
45、) 0.006 (0.15) 0.035 (0.89) 0.218 (5.54) +0.026 (+0.66)3 3.500 (88.90) 0.008 (0.20) 0.040 (1.02) 0.300 (7.62) +0.036 (+0.91)4 4.500 (114.30) 0.009 (0.23) 0.050 (1.27) 0.337 (8.56) +0.040 (+1.02)6 6.625 (168.28) 0.011 (0.28) 0.050 (1.27) 0.432 (10.97) +0.052 (+1.32)F2389 1538.3 Impact StrengthWhen te
46、sted in accordance with ISO 3127, 9 of 10 specimens shall pass at the impact level specified inTable 9 at a test temperature of 32 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
47、8.4.2oxidative induction time.8.4.1 When tested in accordance with Test Method D1598, pipe and fittings shall not fail at the pressure corresponding to thepipe circumferential stresses and times given in Table 10. If an assembly fails at a joint, the fitting material shall be permitted tobe retested
48、 in pipe form.8.4.2 The oxidative induction time (OIT) shall be determined on pipe and fittings in accordance with Test Method D3895. Twospecimens shall be tested and the average OIT of the two shall be at least 80 % of the OIT of the virgin material compound. Forthose materials which require final
49、blending at the extruder (masterbatch/resin), the 80% OIT requirement shall be based on theOIT of the pipe sample which has also passed the hydrostatic testing of 8.4.1 or a pipe sample of the same formulation containingno rework.NOTE 2Initial qualification of changes to materials that have met the requirements of this section may be evaluated based on limited hydrostatictesting and comparison of OIT values.8.5 Hydrostatic Pressure TestsWhen tested in accordance with 9.1, at the hoop stresses
