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ASTM F441 F441M-2002 Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe Schedules 40 and 80.pdf

1、Designation: F 441/F 441M 02An American National StandardStandard Specification forChlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe,Schedules 40 and 801This standard is issued under the fixed designation F 441/F 441M; the number immediately following the designation indicates the yearof original

2、 adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defen

3、se.1. Scope1.1 This specification covers chlorinated poly(vinyl chlo-ride) (CPVC) pipe made in Schedule 40 and 80 sizes andpressure-rated for water (see appendix). Included are criteriafor classifying CPVC plastic pipe materials and CPVC plasticpipe, a system of nomenclature for CPVC plastic pipe, a

4、ndrequirements and test methods for materials, workmanship,dimensions, sustained pressure, burst pressure, flattening, andextrusion quality. Methods of marking are also given.NOTE 1The CPVC pipe covered by this specification was coveredpreviously in Specification D 1785.NOTE 2The sustained and burst

5、 pressure test requirements, and thepressure ratings in the appendix, are calculated from stress values obtainedfrom tests made on pipe 2 in. 50 mm and smaller. However, tests onlarger pipe have shown these stress values to be valid.1.2 The products covered by this specification are intendedfor use

6、with the distribution of pressurized liquids only, whichare chemically compatible with the piping materials. Due toinherent hazards associated with testing components and sys-tems with compressed air or other compressed gases somemanufacturers do not allow pneumatic testing of their products.Consult

7、 with specific product/component manufacturers fortheir specific testing procedures prior to pneumatic testing.NOTE 3Pressurized (compressed) air or other compressed gasescontain large amounts of stored energy which present serious safteyhazards should a system fail for any reason.1.3 The text of th

8、is specification references notes, footnotes,and appendixes which provide explanatory material. Thesenotes and footnotes (excluding those in tables and figures) shallnot be considered as requirements of the specification.1.4 The values stated in either inch-pound units or SI unitsare to be regarded

9、separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system shallbe used independently of the other. Combining values from thetwo systems may result in nonconformance with the specifi-cation.1.5 The fol

10、lowing safety hazards caveat pertains only to thetest methods portion, Section 8, 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 healt

11、hpractices and determine the applicability of regulatory limita-tions prior to use. A specific precautionary statement is givenin Note 6.2. Referenced Documents2.1 ASTM Standards:D 618 Practice for Conditioning Plastics and ElectricalInsulating Materials for Testing2D 1598 Test Method for Time-to-Fa

12、ilure of Plastic PipeUnder Constant Internal Pressure3D 1599 Test Method for Short-Time Hydraulic Failure Pres-sure of Plastic Pipe, Tubing, and Fittings3D 1600 Terminology for Abbreviated Terms Relating toPlastics2D 1784 Specification for Rigid Poly(Vinyl Chloride) (PVC)Compounds and Chlorinated Po

13、ly(Vinyl Chloride)(CPVC) Compounds2D 1785 Specification for Poly(Vinyl Chloride) (PVC) Plas-tic Pipe, Schedules 40, 80, and 1203D 2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and Fittings3D 2837 Test Method for Obtaining Hydrostatic DesignBasis for Thermoplastic Pipe Materials3

14、F 412 Terminology Relating to Plastic Piping Systems32.2 Federal Standard:Fed. Std. No. 123 Marking for Shipment (Civil Agencies)42.3 Military Standard:MIL-STD-129 Marking for Shipment and Storage41This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the

15、 direct responsibility of Subcommittee F17.25 on VinylBased Pipe.Current edition approved Nov. 10, 2002. Published January 2003. Originallyapproved in 74. Last previous edition approved in 1999 as F 441 99.2Annual Book of ASTM Standards, Vol 08.01.3Annual Book of ASTM Standards, Vol 08.04.4Available

16、 from Standardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.2.4 NSF Standards:Standard No. 14 for Plastic Piping Components

17、and RelatedMaterials5Standard No. 61 for Drinking Water SystemsComponentsHealth Effects53. Terminology3.1 DefinitionsDefinitions are in accordance with Termi-nology F 412, and abbreviations are in accordance with Ter-minology D 1600, unless otherwise specified. The abbreviationfor chlorinated poly(v

18、inyl chloride) is CPVC.3.2 Definitions of Terms Specific to This Standard:3.2.1 hydrostatic design stressthe estimated maximumtensile stress the material is capable of withstanding continu-ously with a high degree of certainty that failure of the pipewill not occur. This stress is circumferential wh

19、en internalhydrostatic water pressure is applied.3.2.2 pressure rating (PR)the estimated maximum waterpressure the pipe is capable of withstanding continuously witha high degree of certainty that failure of the pipe will not occur.3.2.3 relation between dimensions, design stress, and pres-sure ratin

20、gThe following expression, commonly known asthe ISO equation,6is used in this specification to relatedimensions, hydrostatic design stress, and pressure rating:2 S/P 5 DO/t! 2 1where:S = hydrostatic design stress, psi MPa,P = pressure rating, psi MPa,DO= average outside diameter, in. mm, andt = mini

21、mum wall thickness, in. mm.3.2.4 standard thermoplastic pipe materials designationcodeThe pipe materials designation code shall consist of theabbreviation CPVC for the type of plastic, followed by theASTM type and grade in Arabic numerals and the design stressin units of 100 psi (0.7 MPa) with any d

22、ecimal figures dropped.When the design stress code contains less than two figures, acipher shall be used before the number. Thus a completematerial code shall consist of four letters and four figures forCPVC plastic pipe materials (see Section 5).4. Classification4.1 GeneralThis specification covers

23、 CPVC pipe madefrom one (see X1.2) CPVC plastic pipe material in Schedule 40and 80 sizes.4.2 Hydrostatic Design StressesThis specification coversCPVC pipe made from CPVC plastic as defined by hydrostaticdesign stresses which have been developed on the basis oflong-term tests (see appendix).5. Materi

24、als5.1 GeneralChlorinated poly(vinyl chloride) plastics usedto make pipe meeting the requirements of this specification arecategorized by means of two criteria, namely, (1) short-termstrength tests and (2) long-term hydrostatic strength tests atboth 73 and 180F 23 and 82C.5.2 Basic MaterialsThis spe

25、cification covers CPVC pipemade from compounds meeting the requirements of Class23447 as defined in Specification D 1784. The materials shallhave Hydrostatic Design Stress (HDS) listings equal to orgreater than 2000 psi 13.80 MPa at 73F 23C and 500 psi3.45 MPa at 180F 82C when evaluated in accordanc

26、ewith Test Method D 2837.NOTE 4Mechanical strength, heat resistance, flammability, andchemical resistance properties are covered in Specification D 1784.5.3 Rework MaterialThe manufacturers shall use onlytheir own clean rework pipe material and the pipe producedshall meet all the requirements of thi

27、s specification.6. Requirements6.1 Dimensions and Tolerances:6.1.1 Dimensions and tolerances shall be as shown in Table1 and Table 2 when measured in accordance with Test MethodD 2122. The tolerances for out-of-roundness shall apply onlyto pipe prior to shipment.6.1.2 Wall Thickness RangeThe wall th

28、ickness range shallnot exceed 12 % when measured in accordance with TestMethod D 2122.6.2 Sustained PressureThe pipe shall not fail, balloon,burst, or weep as defined in Test Method D 1598, at the testpressures given in Table 3, when tested in accordance with 8.4.6.2.1 Accelerated Regression TestThe

29、 accelerated re-gression test shall be used in place of both the sustained andburst pressure tests at the option of the manufacturer. The testshall be conducted in accordance with 8.4.1. The pipe shalldemonstrate a hydrostatic design basis projection at the100 000 h intercept that meets the hydrosta

30、tic design basiscategory requirement (see Table 1, Test Method D 2837) forthe CPVC material used in its manufacture. If the lowerconfidence value at 100 000 h differs from the extrapolatedLTHS value by more than 15 % of the latter; or M in AppendixX2 (Test Method D 2837) is zero or negative; or b in

31、 theequation h = a + bf in Appendix X1 (Test Method D 2837) ispositive, consider the data unsuitable.6.3 Burst PressureThe minimum burst pressures forCPVC plastic pipe shall be as given in Table 4, whendetermined in accordance with Test Method D 1599.6.4 FlatteningThere shall be no evidence of split

32、ting,cracking, or breaking when the pipe is tested in accordancewith 8.5.7. Workmanship, Finish, and Appearance7.1 The pipe shall be homogeneous throughout and freefrom visible cracks, holes, foreign inclusions, or other defects.The pipe shall be as uniform as commercially practicable incolor, opaci

33、ty, density, and other physical properties.NOTE 5Color and transparency or opacity should be specified in thecontract or purchase order.8. Test Methods8.1 ConditioningCondition the test specimens at 73.4 63.6F 23 6 2C and 50 6 5 % relative humidity for not less5Available from the National Sanitation

34、 Foundation, P.O. Box 1468, Ann Arbor,MI 48106.6ISO R 161-1960, Pipes of Plastics Materials for the Transport of Fluids(Outside Diameters and Nominal Pressures) Part 1, Metric Series.F 441/F 441M 022than 40 h prior to test in accordance with Procedure A ofPractice D 618, for those tests where condit

35、ioning is required.8.2 Test ConditionsConduct tests in the standard labora-tory atmosphere of 73 6 3.6F 23 6 2C and 50 6 5%relative humidity, unless otherwise specified in the test meth-ods or in this specification.8.3 SamplingThe selection of the sample or samples ofpipe shall be as agreed upon by

36、the purchaser and the seller. Incase of no prior agreement, any sample selected by the testinglaboratory shall be deemed adequate.8.3.1 Test SpecimensNot less than 50 % of the test speci-mens required for any pressure test shall have at least a part ofthe marking in their central sections. The centr

37、al section is thatportion of pipe which is at least one pipe diameter away froman end closure.8.4 Sustained Pressure TestSelect the test specimens atrandom. Test individually with water at the internal pressuresgiven in Table 3, six specimens of pipe, each specimen at leastten times the nominal diam

38、eter in length, but not less than 10in. 250 mm or more than 3 ft 1000 mm between endclosures and bearing the permanent marking on the pipe.Maintain the specimens at the pressure indicated for a period of1000 h. Hold the pressure as closely as possible, but within610 psi 669 kPa. Condition the specim

39、ens at the testTABLE 1 Outside Diameters and Tolerances for CPVC Plastic Pipe, Schedules 40 and 80, in. mmTolerancesMaximum Out-of-Roundness(maximum minus minimum diameter)Nominal Pipe Size Outside Diameter Schedule 40 sizes312in. and over;Schedule 80sizes 8 in. and overSchedule 40 sizes3 in. and le

40、ss;Schedule 80 sizes6 in. and less14 8 0.540 13.7 60.004 0.10 . 0.016 (0.41)38 10 0.675 17.1 60.004 0.10 . 0.016 (0.41)12 15 0.840 21.3 60.004 0.10 . 0.016 (0.41)34 20 1.050 26.7 60.004 0.10 . 0.020 (0.51)1 25 1.315 33.4 60.005 0.13 . 0.020 (0.51)11432 1.660 42.2 60.005 0.13 . 0.024 (0.61)11240 1.90

41、0 48.3 60.006 0.15 . 0.024 (0.61)2 50 2.375 60.3 60.006 0.15 . 0.024 (0.61)21265 2.875 73.0 60.007 0.18 . 0.030 (0.76)3 80 3.500 88.9 60.008 0.20 . . . 0.030 (0.76)31290 4.000 101.6 60.008 0.20 0.100 (2.54) 0.030 (0.76)4 100 4.500 114.3 60.009 0.23 0.100 (2.54) 0.030 (0.76)5 125 5.563 141.3 60.010 0

42、.25 0.100 (2.54) 0.060 (1.52)6 150 6.625 168.3 60.011 0.28 0.100 (2.54) 0.070 (1.78)8 200 8.625 219.1 60.015 0.38 0.150 (3.81) 0.090 (2.29)10 250 10.750 273.1 60.015 0.38 0.150 (3.81) 0.100 (2.54)12 300 12.750 323.9 60.015 0.38 0.150 (3.81) 0.120 (3.05)14 350 14.000 355.6 60.015 0.380 0.200 (5.08) .

43、16 400 16.000 406.4 60.019 0.480 0.320 (8.13) .TABLE 2 Wall Thicknesses and Tolerances for CPVC Plastic Pipe, Schedules 40 and 80, in.A,BmmNominal PipeSizeWall ThicknessASchedule 40 Schedule 80Min Tolerance Min Tolerance148 0.088 2.24 +0.020 0.51 0.119 3.02 +0.020 0.513810 0.091 2.31 +0.020 0.51 0.1

44、26 3.20 +0.020 0.511215 0.109 2.77 +0.020 0.51 0.147 3.73 +0.020 0.513420 0.113 2.87 +0.020 0.51 0.154 3.91 +0.020 0.511 25 0.133 3.38 +0.020 0.51 0.179 4.55 +0.021 0.5311432 0.140 3.56 +0.020 0.51 0.191 4.85 +0.023 0.5811240 0.145 3.68 +0.020 0.51 0.200 5.08 +0.024 0.612 50 0.154 3.91 +0.020 0.51 0

45、.218 5.54 +0.026 0.6621265 0.203 5.16 +0.024 0.61 0.276 7.01 +0.033 0.843 80 0.216 5.49 +0.026 0.66 0.300 7.62 +0.036 0.9131290 0.226 5.74 +0.027 0.68 0.318 8.08 +0.038 0.964 100 0.237 6.02 +0.028 0.71 0.337 8.56 +0.040 1.025 125 0.258 6.55 +0.031 0.79 0.375 9.52 +0.045 1.146 150 0.280 7.11 +0.034 0

46、.86 0.432 10.97 +0.052 1.328 200 0.322 8.18 +0.039 0.99 0.500 12.70 +0.060 1.5210 250 0.365 9.27 +0.044 1.12 0.593 15.06 +0.071 1.8012 300 0.406 10.31 +0.049 1.24 0.687 17.45 +0.082 2.0814 350 0.437 11.10 +0.053 +1.35 0.750 19.05 +0.090 +2.2916 400 0.500 12.70 +0.060 +1.52 0.843 21.14 +0.101 +2.57AT

47、he minimum is the lowest wall thickness of the pipe at any cross section. All tolerances are on the plus side of the minimum requirement.BThese dimensions conform to nominal IPS dimensions.F 441/F 441M 023temperature of 736 3.6F 23 6 2C. Test in accordance withTest Method D 1598, except maintain the

48、 pressure at the valuesgiven in Table 3 for 1000 h. Evidence of failure of the pipeshall be as defined in Test Method D 1598.8.4.1 Accelerated Regression TestTest in accordance withprocedures in Test Method D 1598, using either free end orrestrained end fittings. A minimum of six specimens shall betested. Test three specimens at a single pressure that will resultin failures at or below 0.10 h. Test an additional threespecimens at a single pressure that will result in failures atabout 200

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