1、Designation: F 2720/F 2720M 08An American National StandardStandard Specification forGlass Fiber Reinforced Polyethylene (PE-GF) Spiral WoundLarge Diameter Pipe1This standard is issued under the fixed designation F 2720/F 2720M; the number immediately following the designation indicates theyear of o
2、riginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers requirements and test methodsfor m
3、aterials, dimensions, workmanship, joining systems, andmarking for large diameter, 12 in. 300 mm and larger, insidediameter controlled glass fiber reinforced polyethylene (PE-GF) spiral wound pipe with electrofusion joints. The piping isintended for new construction and renewal of existing pipingsys
4、tems used for the transport of water, slurries, municipalsewage, domestic sewage, effluents, etc., in pressure systems.NOTE 1Pipe produced to this specification should be installed inaccordance with Practice D 2774 or Guide F 1668, where applicable, andwith the manufacturers recommendations.1.2 The
5、values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text the SIunits are shown in brackets. The values stated in each systemmay not be exact equivalents: therefore, each system shall beused independently of the other. Combining values from thetwo
6、 systems may result in non-conformance with the standard.1.3 All pipes produced under this specification are pressure-rated.1.4 This specification includes criteria for choice of rawmaterial and test methods for evaluation of raw material,together with performance requirements and test methods forde
7、termining conformance with the requirements.1.5 In referee decisions, the SI units shall be used formetric-sized pipe and inch-pound units for pipe sized perANSI(ANSI B 36.10).1.6 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsib
8、ility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D 618 Practice for Conditioning Plastics for TestingD 638 Test Method for Tensile Properties of
9、PlasticsD 790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating MaterialsD 792 Test Methods for Density and Specific Gravity (Rela-tive Density) of Plastics by DisplacementD 1505 Test Method for Density of Plastics by the Density-Gradient Technique
10、D 1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD 1600 Terminology for Abbreviated Terms Relating toPlasticsD 2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD 2657 Practice for Heat Fusion Joining of Polyolefin Pipeand FittingsD 2
11、774 Practice for Underground Installation of Thermo-plastic Pressure PipingD 2837 Test Method for Obtaining Hydrostatic DesignBasis for Thermoplastic Pipe Materials or Pressure DesignBasis for Thermoplastic Pipe ProductsD 3350 Specification for Polyethylene Plastics Pipe andFittings MaterialsD 3895
12、Test Method for Oxidative-Induction Time of Poly-olefins by Differential Scanning CalorimetryF 412 Terminology Relating to Plastic Piping SystemsF 1290 Practice for Electrofusion Joining Polyolefin Pipeand FittingsF 1668 Guide for Construction Procedures for Buried Plas-tic Pipe2.2 ANSI Standard:B36
13、.10 Standard Dimensions of Steel Pipe (IPS)32.3 ISO Standard:1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.11 onComposite.Current edition approved Sept. 1, 2008. Published December 2008.2For reference
14、d 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.3Available from American National Standards Institute (ANSI), 25 W. 43rd St
15、.,4th Floor, New York, NY 10036, http:/www.ansi.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ISO 13479 Polyolefin Pipes for the Conveyance of FluidsDetermination of Resistance to Crack PropagationTestMethod for Slow Crack Grow
16、th on Notched Pipes (NotchTest)42.4 NSF/ANSI Standards:Standard No. 4 for Plastic Piping Components and RelatedMaterials5Standard No. 61 for Drinking Water Systems ComponentsHealth Effects53. Terminology3.1 DefinitionsDefinitions are in accordance with Termi-nology F 412 and abbreviations are in acc
17、ordance with Termi-nology D 1600, unless otherwise specified. The abbreviationfor polyethylene is PE.3.2 Definitions of Terms Specific to This Standard:3.2.1 glass fiber reinforced polyethylene (PE-GF)shortglass fiber reinforced polyethylene compound.3.2.2 relation between standard dimension ratio,
18、hydro-static design stress, and pressure rating:P 52SDi/t! 1 1(1)where:S = hydrostatic design stress (HDS), psi or kPa or MPa,P = pressure rating, psi or kPa or MPa,Di = average inside diameter, in. or mm,t = minimum wall thickness, in. or mm, andDi/t = standard dimension ratio or standard inside di
19、ameterdimension ratio (SIDR).3.2.3 relationship between hydrostatic design basis (HDB)and hydrostatic design stress (HDS)the hydrostatic designstress, S, is determined by multiplying the hydrostatic designbasis (HDB) by the design factor, n. The design factor, n, hasa value less than 1.0.3.2.3.1 Dis
20、cussionThe hydrostatic pressure rating ofpipes described in this specification is based on the use of a(service) design factor of 0.5.4. Materials4.1 GeneralThe polyethylene, reinforcements, colorants,and other additives, when combined as a composite structure,shall produce a pipe that shall meet th
21、e performance require-ments of this specification.4.2 Glass Fiber Reinforced Polyethylene (PE-GF)MaterialPipe shall be made of PE-GF plastic compoundmeeting the requirements shown in Table 1. The PE-GF pipe,as manufactured, shall have a minimum hydrostatic designbasis (HDB) of 2500 psi 17.2 MPa for
22、water at 73.4F 23Cdetermined using Test Method D 2837. Pressure ratings areshown in Table 2. Ambient and elevated temperature sustainedpressure testing requirements are shown in Table 5.4.3 Polyethylene (PE)The polyethylene base compoundprior to the addition of the glass fibers shall meet the minimu
23、mproperty requirements of either cell class 333444 or 444454 asdescribed in Specification D 3350. The inner and externalun-reinforced polyethylene layers shall be either black orcolored and shall be made of the same polyethylene compoundthat is used to make the PE-GF compound.4.4 Glass FibersShort g
24、lass fibers.4.5 Color and Ultraviolet (UV) StabilizationThe pipeshall be black or blue or black with blue stripes. The externaland internal colored polyethylene layers shall be made ofun-reinforced polyethylene compounds meeting the require-ments of Specification D 3350 Code C or Code E. Code Cpolye
25、thylene compounds shall have between 2.0 and 3.04Available from International Organization for Standardization (ISO), 1, ch. dela Voie-Creuse, Case postale 56, CH-1211, Geneva 20, Switzerland, http:/www.iso.ch.5Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, MI 48113
26、-0140, http:/www.nsf.org.TABLE 1 Physical Properties of PE-GF PipeProperty Test Method(s) UnitsMinimumValueDensity ASTM D 792 or D 1505 g/cm31.04Oxidation Induction Time 412F 200C ASTM D 3895 minutes 20Tensile strength yield (longitudinal direction) ASTM D 638 kpsi MPa 5.075 35.0Tensile Elastic Modu
27、lus ASTM D 638 kpsi N/mm2 333.5 2300Flexural Elastic Modulus ASTM D 790 kpsi MPa 372 2566Resistance to Notch Test ISO 13479 hours 2500Hydrostatic Design Basis for water at 73F 23C ASTM D 2837 psi MPa 2500 17.22TABLE 2 Standard Pressure RatingsSIDR 113.51517192124273135394449556370Design Factor 0.5 0
28、.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5HDB, psi 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200P, psi 267 221 201 180 160 143 127 113 101 90 80 71 64 57 51 45P, kPa 1838 1521 1389 1238 1103 983 876 781 696 621 553 493 439 391 349 311SIDR 113.5151719
29、2124273135394449556370Design Factor 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5HDB, psi 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500 2500P, psi 208 172 157 140 125 111 99 88 79 70 63 56 50 44 40 35P, kPa 1436 1188 1085 967 862 768 685 610 544 485 432
30、 385 343 306 272 243F 2720/F 2720M 082percent carbon black. Code E polyethylene compounds shall becolored and protected from Ultraviolet (UV) degradation withUV stabilizers.4.6 Rework MaterialClean rework material generatedfrom the manufacturers own pipe production shall be allowedup to a maximum of
31、 10 % by weight in the PE-GF compound.The PE-GF pipe produced shall meet all the requirements ofthis specification.5. Classification and Uses5.1 UsesThe requirements of this specification are in-tended to provide pipe suitable for underground or aboveground pressure applications as well as gravity a
32、nd lowpressure drainage of sewer and surface water.5.2 ClassificationsThis specification covers PE-GF pres-sure pipe products made in standard inside diameter ratios(SIDR) from 11 to 70. Standard pressure ratings for the variousSIDR pipes are shown in Table 2.6. Joining Systems6.1 Electrofusion Join
33、t:6.1.1 The joint shall consist of an integral electrofusiondevice built into the inside of the bell and a plain spigot, whichcome together to form an electrofusion joint with the properapplication of electrical current for an appropriate time period.The seal is made by electrofusion joining through
34、 an integralelectrofusion device built into the belled end of the pipe. Thespigot is inserted into the socket (or bell) and current applied tothe contacts.6.2 Electrofusion CouplingThe seal is made by electrofu-sion joining through a separate electrofusion coupling orfitting. The electrofusion fitti
35、ng may be an enlarged ODcoupler, a reduced ID coupler, or an equal OD/ID internalcoupler.6.2.1 The assembly of the electrofusion joint shall be inaccordance Practice F 1290 and with the manufacturers rec-ommendations.7. Requirements7.1 WorkmanshipThe inside and outside surfaces shall besemi-matte or
36、 semi-glossy in appearance and be free ofchalking, sticky, or tacky material. The pipe walls shall be freeof cracks, blisters, foreign inclusions, or other defects that arevisible to the naked eye and that may affect the wall integrity.7.2 Pipe Dimensions:7.2.1 DiameterThe average inside diameter of
37、 the pipe,including the diameter in integral socket or bell sections wherepresent, shall meet the requirements given in Table 3, whenmeasured in accordance with 8.4.1.7.2.2 Pipe Wall ThicknessThe minimum wall thickness ofthe pipe (see Fig. 1) shall meet the requirements given in Table5, when measure
38、d in accordance with 8.4.2.7.2.3 Laying LengthStandard pipe laying length, mea-sured from the bottom of the bell to the tip of the spigot (seeFig. 1), shall be 19.7 ft 6.0 m) when measured in accordancewith Test Method D 2122. For pipe with an integral bell, thepipe laying length is measured from th
39、e bottom of the bell tothe tip of the spigot.7.3 Ambient and Elevated Temperature Sustained PressureTestTest in accordance with 8.5 at one ambient temperatureand stress condition and one elevated temperature and stresscondition for the specified minimum time to failure as shownin Table 5.8. Test Met
40、hods8.1 ConditioningWhen conditioning is required for ref-eree tests, condition the specimens in accordance with Proce-dure A of Practice D 618 at 73.4 6 3.6F 23 + 2C and 50 6TABLE 3 PE-GF Pipe Dimensions and Out-of-Roundness AllowanceNominal Pipe Size,in. mmInside Diameter,minimumin. mmInside Diame
41、ter,maximumin. mmMaximum Out-of-Roundness(Ovality)in. mm12 300 11.81 300 12.13 308 0.39 1016 400 15.75 400 16.06 408 0.55 1420 500 19.69 500 20.00 508 0.67 1724 600 23.62 600 23.98 609 0.83 2128 700 27.56 700 27.95 710 0.94 2432 800 31.50 800 31.97 812 1.10 2836 900 35.43 900 35.94 913 1.22 3140 100
42、0 39.37 1000 39.96 1015 1.38 3544 1100 43.31 1100 43.90 1115 1.50 3848 1200 47.24 1200 47.95 1218 1.65 4252 1300 51.18 1300 51.89 1318 1.77 45561400 55.12 1400 55.94 1421 1.93 4964 1600 62.99 1600 63.94 1624 2.20 5672 1800 70.87 1800 71.93 1827 2.48 6380 2000 78.74 2000 79.92 2030 2.76 7088 2200 86.
43、61 2200 87.91 2233 3.03 7796 2400 94.49 2400 95.91 2436 3.31 84104 2600 102.36 2600 103.90 2639 3.58 91112 2800 110.24 2800 111.89 2842 3.86 98120 3000 118.11 3000 119.49 3035 4.13 105128 3200 125.98 3200 127.87 3248 4.41 112136 3400 133.86 3400 135.87 3451 4.69 119144 3600 141.73 3600 143.86 3654 4
44、.96 126152 3800 149.61 3800 151.85 3857 5.24 133160 4000 157.48 4000 159.84 4060 5.51 140F 2720/F 2720M 083TABLE 4PE-GF Wall Thickness and TolerancesNominalPipe Size,in. mmSIDR 11 SIDR 13.5 SIDR 15 SIDR 17Min wallin. mmMax wallin., mmMin wallin., mmMax wallin., mmMin wallin., mmMax wallin., mmMin wa
45、llin., mmMax wallin., mm12 300 1.07 27.2 1.26 32 0.88 22.4 0.98 25 0.80 20.2 0.88 22.4 0.70 17.8 0.78 19.716 400 1.43 36.4 1.65 42 1.17 29.7 1.30 33 1.06 26.9 1.17 29.7 0.94 23.8 1.04 26.320 500 1.79 45.4 2.09 53 1.46 37.1 1.63 41.5 1.32 33.6 1.46 37.1 1.17 29.7 1.29 32.824 600 2.14 54.4 2.48 63 1.7
46、5 44.5 1.97 50 1.59 40.3 1.75 44.5 1.41 35.7 1.55 39.428 700 2.50 63.5 2.91 74 2.04 51.8 2.28 58 1.85 47.0 2.04 51.8 1.64 41.6 1.81 45.932 800 2.87 73 3.31 84 2.33 59.2 2.60 66 2.11 53.7 2.33 59.2 1.87 47.5 2.06 52.436 900 3.23 82 3.74 95 2.63 66.7 2.95 75 2.38 60.5 2.63 66.7 2.11 53.5 2.32 59.040 1
47、000 3.58 91 4.13 105 2.92 74.1 3.27 83 2.65 67.2 2.92 74.1 2.34 59.4 2.58 65.544 1100 3.94 100 4.57 116 3.22 81.7 3.58 91 2.91 74.0 3.22 81.7 2.57 65.3 2.84 72.148 1200 4.29 109 4.96 126 3.50 88.8 3.90 99 3.17 80.6 3.50 88.8 2.81 71.3 3.09 78.652 1300 4.65 118 5.39 137 3.78 96.0 4.25 108 3,42 87.0 3
48、.78 96.0 3.04 77.2 3.35 85.256 1400 5.00 127 5.83 148 4.09 104 4.61 117 3.70 94.0 4.08 103.6 3.28 83.2 3.61 91.764 1600 5.71 145 6.65 169 4.66 118.4 5.24 133 4.23 107.5 4.66 118.4 3.74 95.1 4.13 104.872 1800 6.42 163 7.48 190 5.24 133.1 5.91 150 4.76 120.9 5.24 133.1 4.21 107.0 4.64 117.980 2000 7.17 182 8.31 211 5.82 147.9
