ASTM D2683-2010 Standard Specification for Socket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe and Tubing《外径控制的聚乙烯管和管件用套管型聚乙烯配件标准规范》.pdf

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ASTM D2683-2010 Standard Specification for Socket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe and Tubing《外径控制的聚乙烯管和管件用套管型聚乙烯配件标准规范》.pdf_第1页
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1、Designation: D2683 10An American National StandardStandard Specification forSocket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe and Tubing1This standard is issued under the fixed designation D2683; the number immediately following the designation indicates the year of

2、original 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.This standard has been approved for use by agencies of the Department o

3、f Defense.1. Scope*1.1 This specification covers polyethylene socket-type fit-tings for use with outside diameter-controlled polyethylenepipe as specified by Specifications D3035 and D2513. Require-ments for materials, workmanship, dimensions, and pressureperformance are included. Where applicable i

4、n this specifica-tion, “ pipe” shall mean “pipe and tubing.”1.2 The values stated in inch-pound units are to be regardedas the standard. The values in parentheses are given forinformation only.1.3 The following safety hazards caveat pertains only to thetest method portion, Section 8, of this specifi

5、cation: 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 regulatory limita-tions prior to use.2. Referenced

6、Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe, Tubing, and FittingsD1600 Terminology for Abbreviated

7、 Terms Relating toPlasticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2513 Specification for Polyethylene (PE) Gas PressurePipe, Tubing, and FittingsD2657 Practice for Heat Fusion Joining of Polyolefin Pipeand FittingsD3035 Specification for Polyethylene (PE) Pla

8、stic Pipe(DR-PR) Based on Controlled Outside DiameterD3350 Specification for Polyethylene Plastics Pipe andFittings MaterialsF412 Terminology Relating to Plastic Piping Systems2.2 Federal Standard:Fed. Std. No. 123 Marking for Shipment (Civil Agencies)32.3 Military Standard:MIL-STD-129 Marking for S

9、hipment and Storage32.4 Plastic Pipe Institute4PPI TR-3 Policies and Procedures for Developing Hydro-static Design Basis (HDB), Pressure Design Basis (PDB),Strength Design Basis (SDB), and Minimum RequiredStrength (MRS) Ratings for Thermoplastic Piping Mate-rials or Pipe7PPI TR-4 HDB/SDB/PDB/MRS Lis

10、ted Materials, PPI List-ing of Hydrostatic Design Basis (HDB), Strength DesignBasis (SDB), Pressure Design Basis (PDB), and MinimumRequired Strength (MRS) Ratings for Thermoplastic Pip-ing Materials or Pipe3. Terminology3.1 Definitions are in accordance with Terminology F412and abbreviations are in

11、accordance with Terminology D1600,unless otherwise specified. The abbreviation of polyethyleneplastic is PE.3.2 standard thermoplastic pipe dimension ratio (SDR)the ratio of pipe outside diameter to wall thickness. It iscalculated by dividing the average outside diameter of the pipeby the minimum wa

12、ll thickness.4. Classification4.1 This specification covers polyethylene fittings of thesocket type made as specified in 5.1 and 5.24.1.1 Fittings covered by this specification are normallymolded. In-line fittings such as couplings, unions, bushings,1This specification is under the jurisdiction of A

13、STM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved March 1, 2010. Published April 2010. Originallyapproved in 1968. Last previous edition approved in 2004 as D2683 04. DOI:10.1520/D2683-10.2For referenced ASTM stand

14、ards, 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 Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Ro

15、bbins Ave., Philadelphia, PA 19111-5098, http:/dodssp.daps.dla.mil.4Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,Irving, TX 75062, http:/www.plasticpipe.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor D

16、rive, PO Box C700, West Conshohocken, PA 19428-2959, United States.caps, nipples, etc., may be extruded or machined from extrudedstock. Special fittings such as transition fittings and tappingteets shall be assembled and fabricated in accordance withprocedures agreed upon between the manufacturer an

17、d thepurchaser.4.1.2 Fittings covered by this specification are intended tobe joined by heat fusion to PE pipe.4.1.3 Fittings intended for use in the distribution of naturalgas or petroleum fuels shall also meet the requirements ofSpecification D2513.5. Materials5.1 Polyethylene CompoundPolyethylene

18、 material com-pounds suitable for use in the manufacture of fittings under thisspecification shall meet Specification D3350 and shall meet theSpecification D3350 classification and property requirementsin Table 1, and shall have PPI TR-4 HDB and HDS listings at73F (23C) and HDB listings 140F (60C) i

19、n accordancewith Table 1.5.2 Color and Ultraviolet (UV) StabilizationPolyethylenematerial compounds shall meet Specification D3350 code C orE. Code C material compounds shall have 2 to 3 percent carbonblack. Code E material compounds shall be colored with UVstabilizer.5.3 Rework MaterialClean polyet

20、hylene compound fromthe manufacturers own production that met 5.1 and 5.2 asvirgin material is suitable for remolding into fittings, eitheralone or blended with new compound of the same cellclassification or material designation. Fittings containing therework material shall meet the material and pro

21、duct require-ments of this specification.6. Requirements6.1 Dimensions and Tolerances:6.1.1 Fittings, sockets, dimensions, and tolerances shall beas shown in Table 2, Table 3, and Table 4 when measured inaccordance with 8.4. For reducing fittings, socket and insidediameter minimums for the appropria

22、te size shall apply.6.1.2 The maximum angular variation of any opening shallnot be more than 2 off the true centerline axis.6.1.3 The minimum wall thickness of fittings shall be 125 %of the minimum wall thickness of the pipe with which they aredesigned to be joined. For reducing fittings, the smalle

23、st sizewall thickness shall be 125 % of the smallest pipe wall.6.2 System Pressure Test Requirements:6.2.1 Short-Term Rupture StrengthThe minimum short-term rupture strength of the fitting and fused pipe shall not beless than the minimum short-term rupture strength of the pipeor tubing in the system

24、 when tested in accordance with 8.5.2.The test pressures shall be as shown in Table 5. Test specimensshall be prepared for testing as described in 8.5.1.6.2.2 Sustained PressureThe fitting(s) and fused pipe ortubing shall not fail (as defined in the Descriptions of TermsSection of Test Method D1598)

25、 at the test pressures given inTable 5 when tested in accordance with 8.4. To ensureuniformity in preparation of assemblies for sustained pressureevaluation, all test joints shall be made in accordance with heatfusion practices found in D2657.7. Workmanship, Finish, and Appearance7.1 The manufacture

26、 of these fittings shall be in accordancewith good commercial practice so as to produce fittingsmeeting the requirements of this specification. Fittings shall behomogeneous throughout and free of cracks, holes, foreigninclusions, or injurious defects. The fittings shall be as uniformas commercially

27、practicable in color, opacity, density, andother physical properties.8. Test Methods8.1 ConditioningCondition the test specimens at 73.4 63.6F (23 6 2C) for 40 h minimum prior to test in accordancewith Procedure A of Methods D618, for those tests whereconditioning is required and in all cases of dis

28、agreement.8.2 Test ConditionsConduct tests at the standard labora-tory temperature of 73.4 6 3.6F (23 6 2C).8.3 SamplingSelect at random sufficient quantity of fit-tings from each lot of shipment and test to determine that thebasic properties and dimensions are in conformance with thisspecification.

29、NOTE 1For individual orders or specifications, only those tests andnumbers of tests specifically agreed upon between the purchaser and themanufacturer need be conducted.8.4 DimensionsMeasure in accordance with Test MethodD2122.8.4.1 Maximum out-of-round tolerance on sockets appliesto the actual meas

30、ured average inside diameter.NOTE 2ExampleIn the 1-in. IPS size, if the actual measuredaverage inside socket entrance diameter was 1.281 in. (32.54 mm) then theextreme measured diameters due to ovality can be 1.291 in. (32.79 mm)TABLE 1 Specification D3350 Classification of Polyethylene Fittings Mat

31、erialsPhysical Properties Cell Classification and Properties for Polyethylene Pipe MaterialsPE2606 PE2706 PE2708 PE3608 PE3708 PE3710 PE4708 PE4710Density 22233 3 4 4Melt Index 3 or 4 3 or 4 3 or 4 4 4 4 4 4Flexural modulus $4 $4 $4 $4 $4 $4 $4 $5Tensile Strength $3 $3 $3 $4 $4 $4 $4 $4Slow crack gr

32、owth resistance (F1473) 67767 7 7 7Hydrostatic strength classification 33344 4 4 4Color and UV StabilizerACorE CorE CorE CorE CorE CorE CorE CorEHDB at 140F (60C), PPI TR-4, psi (MPa)BBBBB B B BHDB at 73F (23C), PPI TR-4, psi (MPa) 630 (4.34) 630 (4.34) 800 (5.52) 800 (5.52) 800 (5.52) 1000 (6.90) 8

33、00 (5.52) 1000 (6.90)ASee 5.2.BListing required; consult manufacturer for listed value.D2683 102maximum and 1.271 in. (32.28 mm) minimum when the out-of-roundtolerance is 60.010 in. (2.54 mm).8.5 Pressure Test:8.5.1 Prepare test assemblies in such a manner that each,whether individual fittings or gr

34、oups of fittings, is a systemincorporating at least one length of pipe or tubing and one ormore fittings in addition to end closures. Fuse all fittingsoutlets with the appropriate size pipe or tubing. One piece ofpipe in the system shall have a minimum length equal to fivepipe diameters.8.5.2 Short-

35、Term Rupture TestThe test equipment, proce-dures, and failure definition shall be as specified in TestMethod D1599. Increase the hydrostatic pressure at a uniformrate such that the specimen fails between 60 and 70 s from thestart of the test. Minimum failure pressures are shown in Table4.8.5.3 Susta

36、ined Pressure TestPrepare six fitting speci-mens as prescribed in 8.5.18.5.3.1 Sustained pressure tests shall be conducted in accor-dance with Table 6 and Test Method D1598 using water as thepressurizing medium. The “test sample” shall be three speci-mens. Select one Table 6 Condition for the materi

37、al designationand test the three specimen test sample.8.5.3.2 Passing results are (a) non-failure for all threespecimens at a time equal to or greater than the “minimumaverage time before failure”, or (b) not more than one ductilespecimen failure and the average time before failure for allthree spec

38、imens shall be greater than the specified “minimumaverage time before failure” for the selected Table 6 Condition.For Table 6 Conditions 1 through 5: if more than one ductilefailure occurs before the “minimum average time beforefailure”, it is permissible to conduct one retest at a TableTABLE 2 Fitt

39、ings for Outside Diameter-Controlled Polyethylene PipeAA Socket Entrance DiameterBB Socket Bottom DiameterC,DCDNominalPipeSize, in.,AverageDiameterToleranceon DiameterMaximumOut-of-RoundAverageDiameterTolerance onDiameterMaximumOut-of-RoundSocketDepth,minInside Diametermin maxin. (mm)12 0.810(20.57)

40、+0.005(+0.127)0.010(0.254)60.008(60.203)0.804(20.42)+0.005(+0.127)0.026(0.660)60.008(60.203)0.625(15.88)0.648(16.46)0.804(20.42)34 1.020(25.91)60.008(60.203)60.010(60.254)1.012(25.70)+0.008(+0.203)0.012(0.305)60.010(60.254)0.625(15.88)0.814(20.68)1.020(25.91)1 1.275(32.38)60.008(60.203)60.010(60.254

41、)1.267(32.18)+0.008(+0.203)0.012(0.305)60.010(60.254)0.687(17.4)1.020(25.91)1.275(32.38)114 1.620(41.15)60.008(60.203)60.012(60.305)1.612(40.94)+0.008(+0.203)0.016(0.406)60.012(60.305)0.875(22.22)1.301(33.04)1.620(41.15)112 1.860(47.24)60.010(60.254)60.012(60.305)1.849(46.96)+0.010(+0.254)0.020(0.50

42、8)60.012(60.305)0.875(22.22)1.496(38.0)1.859(47.22)2 2.335(59.31)60.010(60.254)60.012(60.305)2.324(59.03)+0.010(+0.254)0.020(0.508)60.012(60.305)0.875(22.22)1.885(47.88)2.334(59.28)3 3.455(87.76)60.015(60.381)60.015(60.381)3.439(87.35)+0.015(+0.381)0.025(0.635)60.015(60.381)1.000(25.4)2.780(70.61)3.

43、454(87.73)4 4.450(113.03)60.015(60.381)60.015(60.381)4.434(112.62)+0.015(+0.381)0.035(0.889)60.015(60.381)1.125(28.58)3.575(90.80)4.449(113.00)AMinimum dimensions have zero negative tolerance. The sketches and designs of fittings are illustrative only. Entrance chamfer or radius is optional.BMeasure

44、d at top of socket wall taper, just below entrance radius.CDimensions of tools should be checked for consistency with fittings used. Socket bottom diameter must be equal to or smaller than entrance diameter.DMeasured at bottom of socket wall taper, just above bottom radius.D2683 1036Condition of low

45、er stress and longer minimum average timebefore failure for the material designation. For Table 6 Condi-tion 6 no retest is permissible. Brittle failure of any specimenbefore the Table 6 “minimum average time before failure”constitutes failure to meet this requirement and no retest isallowed.8.5.3.3

46、 Provision for retest (if needed). The retest sampleshall be three specimens of the same pipe or tubing size andmaterial designation from the same time frame as the “testsample”. For the retest, any specimen failure before the“minimum average time before failure” at the retest conditionof lower stre

47、ss and longer minimum average time beforefailure constitutes failure to meet this requirement.9. Packaging and Package Marking9.1 Fittings shall be marked with the following:9.1.1 Manufacturers name or trademark,9.1.2 Material designation (such as, PE 27086, PE 3608, orPE 4710),NOTE 3Earlier edition

48、s of Specification D2683 included PE materialdesignations PE2406, PE3406, PE3407 and PE3408. Changes to Specifi-cation D3350 and PPI TR-3 led to changes in thermoplastic materialTABLE 3 Fittings for Outside Diameter-Controlled Polyethylene TubingANominalTubingSize,in.A Socket Entrance DiameterBB Soc

49、ket Bottom DiameterC,DCDAverageDiameterToleranceon DiameterMaximumOut-of-RoundAverageDiameterTolerance onDiameterMaximumOut-of-RoundSocketDepth,minInside Diametermin maxin. (mm)12 0.585(14.86)+0.010(+0.25)0.007(0.18)60.010(60.25)0.575(14.61)+0.010(+0.25)0.007(0.18)60.010(60.25)0.625(15.88)0.500(12.70)0.585(14.86)34 0.835(21.21)60.010(60.25)60.010(60.25)0.825(20.96)60.010(60.25)60.010(60.25)0.625(15.88)0.750(19.05)0.835(21.21)1 1.075(27.30)60.008(60.20)60.008(60.20)1.070(27.18)+0.008(+0.20)0.012(0.30)60.008(60.20)0.625

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