1、Designation: D2683 103D2683 14 An 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 t
2、he year oforiginal 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 U.
3、S. Department of Defense.1 NOTE6.2.2 was editorially corrected in March 2013.2 NOTE8.5.2 was editorially corrected in March 2014.3 NOTE6.2.2 was editorially corrected in May 2014.1. Scope*1.1 This specification covers polyethylene socket-type fittings for use with outside diameter-controlled polyeth
4、ylene pipe asspecified by Specifications D3035 and D2513. Requirements for materials, workmanship, dimensions, and pressure performanceare included. Where applicable in this specification, “ pipe” shall mean “pipe and tubing.”1.2 The values stated in inch-pound units are to be regarded as standard.
5、The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.3 The following safety hazards caveat pertains only to the test method portion, Section 8, of this specification: This standarddoes not purport to address
6、all of the safety concerns, if any, associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D618 Practice for C
7、onditioning Plastics for TestingD1598 Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal PressureD1599 Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and FittingsD1600 Terminology for Abbreviated Terms Relating to PlasticsD2122 Test Method f
8、or Determining Dimensions of Thermoplastic Pipe and FittingsD2513 Specification for Polyethylene (PE) Gas Pressure Pipe, Tubing, and FittingsD2657 Practice for Heat Fusion Joining of Polyolefin Pipe and FittingsD3035 Specification for Polyethylene (PE) Plastic Pipe (DR-PR) Based on Controlled Outsid
9、e DiameterD3350 Specification for Polyethylene Plastics Pipe and Fittings 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 Shipment and Storage32.4 Plastic Pipe Insti
10、tute4PPI TR-3 Policies and Procedures for Developing Hydrostatic Design Basis (HDB), Pressure Design Basis (PDB), StrengthDesign Basis (SDB), and Minimum Required Strength (MRS) Ratings for Thermoplastic Piping Materials or Pipe71 This specification is under the jurisdiction of ASTM Committee F17 on
11、 Plastic Piping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved March 1, 2010Nov. 1, 2014. Published April 2010December 2014. Originally approved in 1968. Last previous edition approved in 20042010as D2683 04.D2683 103. DOI: 10.1520/D2683-10E03.10
12、.1520/D2683-14.2 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 Standardization Documents Ord
13、er Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/dodssp.daps.dla.mil.DLADocument Services Building 4/D 700 Robbins Avenue Philadelphia, PA 19111-5094 http:/quicksearch.dla.mil/4 Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825, Irving
14、, TX 75062, http:/www.plasticpipe.org.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 previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM r
15、ecommends 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 Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box
16、 C700, West Conshohocken, PA 19428-2959. United States1PPI TR-4 HDB/SDB/PDB/MRS Listed Materials, PPI Listing of Hydrostatic Design Basis (HDB), Strength Design Basis(SDB), Pressure Design Basis (PDB), and Minimum Required Strength (MRS) Ratings for Thermoplastic Piping Materialsor Pipe3. Terminolog
17、y3.1 Definitions are in accordance with Terminology F412 and abbreviations are in accordance with Terminology D1600, unlessotherwise specified. The abbreviation of polyethylene plastic is PE.3.2 standard thermoplastic pipe dimension ratio (SDR)the ratio of pipe outside diameter to wall thickness. It
18、 is calculated bydividing the average outside diameter of the pipe by the minimum wall thickness.4. Classification4.1 This specification covers polyethylene fittings of the socket type made as specified in 5.1 and 5.24.1.1 Fittings covered by this specification are normally molded. In-line fittings
19、such as couplings, unions, bushings, caps,nipples, etc., may be extruded or machined from extruded stock. Special fittings such as transition fittings and tapping teets shallbe assembled and fabricated in accordance with procedures agreed upon between the manufacturer and the purchaser.4.1.2 Fitting
20、s covered by this specification are intended to be joined by heat fusion to PE pipe.4.1.3 Fittings intended for use in the distribution of natural gas or petroleum fuels shall also meet the requirements ofSpecification D2513.5. Materials5.1 Polyethylene CompoundPolyethylene material compounds suitab
21、le for use in the manufacture of fittings under thisspecification shall meet Specification D3350 and shall meet the Specification D3350 classification and property requirements inTable 1, and shall have PPI TR-4 HDB and HDS listings at 73F (23C) and HDB listings 140F (60C) in accordance with Table1.
22、5.2 Color and Ultraviolet (UV) StabilizationPolyethylene material compounds shall meet Specification D3350 code C or E.Code C material compounds shall have 2 to 3 percent carbon black. Code E material compounds shall be colored with UVstabilizer.5.3 Rework MaterialClean polyethylene compound from th
23、e manufacturers own production that met 5.1 and 5.2 as virginmaterial is suitable for remolding into fittings, either alone or blended with new compound of the same cell classification ormaterial designation. Fittings containing the rework material shall meet the material and product requirements of
24、 this specification.6. Requirements6.1 Dimensions and Tolerances:6.1.1 Fittings, sockets, dimensions, and tolerances shall be as shown in Table 2, Table 3, andand Table 3 Table 4when measuredin accordance with 8.4. For reducing fittings, socket and inside diameter minimums for the appropriate size s
25、hall apply.6.1.1.1 Laying LengthsLaying lengths shall be in accordance with manufacturers specifications.6.1.2 The maximum angular variation of any opening shall not 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
26、of the pipe with which they aredesigned to be joined. For reducing fittings, the smallest size wall thickness shall be 125 % of the smallest pipe wall.6.2 System Pressure Test Requirements:TABLE 1 Specification D3350 Classification of Polyethylene Fittings MaterialsPhysical Properties Cell Classific
27、ation and Properties for Polyethylene Pipe MaterialsPE2606 PE2706 PE2708 PE3608 PE3708 PE3710 PE4708 PE4710Density 2 2 2 3 3 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 growth resistance(F1473)6 7 7 6 7 7 7
28、7Hydrostatic strength classifica-tion3 3 3 4 4 4 4 4Color and UV StabilizerA C or E C or E C or E C or E C or E C or E C or E C or EHDB at 140F (60C), PPI TR-4,psi (MPa)B B B B B 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)800 (5.52) 1000
29、(6.90)ASee 5.2.BListing required; consult manufacturer for listed value.D2683 1426.2.1 Short-Term Rupture StrengthThe minimum short-term rupture strength of the fitting and fused pipe shall not be less thanthe minimum short-term rupture strength of the pipe or tubing in the system when tested in acc
30、ordance with 8.5.2. The testpressures shall be as shown in Table 54. Test specimens shall be prepared for testing as described in 8.5.1.6.2.2 Sustained PressureThe fitting(s) and fused pipe or tubing shall not fail (as defined in the Descriptions of Terms Sectionof Test Method D1598) at the test pre
31、ssures given in Table 65 when tested in accordance with 8.5.3. To ensure uniformity inpreparation of assemblies for sustained pressure evaluation, all test joints shall be made in accordance with heat fusion practicesfound in D2657.7. Workmanship, Finish, and Appearance7.1 The manufacture of these f
32、ittings shall be in accordance with good commercial practice so as to produce fittings meetingthe requirements of this specification. Fittings shall be homogeneous throughout and free of cracks, holes, foreign inclusions, orinjurious defects. The fittings shall be as uniform as commercially practica
33、ble in color, opacity, density, and other physicalproperties.8. Test Methods8.1 ConditioningCondition the test specimens at 73.4 6 3.6F (23 6 2C) for 40 h minimum prior to test in accordance withProcedure A of Methods D618, for those tests where conditioning is required and in all cases of disagreem
34、ent.8.2 Test ConditionsConduct tests at the standard laboratory temperature of 73.4 6 3.6F (23 6 2C).TABLE 2 Fittings for Outside Diameter-Controlled Polyethylene PipeAA Socket Entrance DiameterB B Socket Bottom DiameterC,D C DNominalPipeSize, in.,AverageDiameterToleranceon DiameterMaximumOut-of-Rou
35、ndAverageDiameterTolerance onDiameterMaximumOut-of-RoundSocketDepth,minInside Diametermin maxin. (mm)12 0.810(20.57)+0.005(+0.127)0.010(0.254)0.008(0.203)0.804(20.42)+0.005(+0.127)0.026(0.660)0.008(0.203)0.625(15.88)0.648(16.46)0.804(20.42)34 1.020(25.91)0.008(0.203)0.010(0.254)1.012(25.70)+0.008(+0
36、.203)0.012(0.305)0.010(0.254)0.625(15.88)0.814(20.68)1.020(25.91)1 1.275(32.38)0.008(0.203)0.010(0.254)1.267(32.18)+0.008(+0.203)0.012(0.305)0.010(0.254)0.687(17.4)1.020(25.91)1.275(32.38)114 1.620(41.15)0.008(0.203)0.012(0.305)1.612(40.94)+0.008(+0.203)0.016(0.406)0.012(0.305)0.875(22.22)1.301(33.0
37、4)1.620(41.15)112 1.860(47.24)0.010(0.254)0.012(0.305)1.849(46.96)+0.010(+0.254)0.020(0.508)0.012(0.305)0.875(22.22)1.496(38.0)1.859(47.22)2 2.335(59.31)0.010(0.254)0.012(0.305)2.324(59.03)+0.010(+0.254)0.020(0.508)0.012(0.305)0.875(22.22)1.885(47.88)2.334(59.28)3 3.455(87.76)0.015(0.381)0.015(0.381
38、)3.439(87.35)+0.015(+0.381)0.025(0.635)0.015(0.381)1.000(25.4)2.780(70.61)3.454(87.73)4 4.450(113.03)0.015(0.381)0.015(0.381)4.434(112.62)+0.015(+0.381)0.035(0.889)0.015(0.381)1.125(28.58)3.575(90.80)4.449(113.00)A Minimum dimensions have zero negative tolerance. The sketches and designs of fittings
39、 are illustrative only. Entrance chamfer or radius is optional.B Measured at top of socket wall taper, just below entrance radius.C Dimensions of tools should be checked for consistency with fittings used. Socket bottom diameter must be equal to or smaller than entrance diameter.D Measured at bottom
40、 of socket wall taper, just above bottom radius.D2683 1438.3 SamplingSelect at random sufficient quantity of fittings from each lot of shipment and test to determine that the basicproperties and dimensions are in conformance with this specification.NOTE 1For individual orders or specifications, only
41、 those tests and numbers of tests specifically agreed upon between the purchaser and themanufacturer need be conducted.8.4 DimensionsMeasure in accordance with Test Method D2122.8.4.1 Maximum out-of-round tolerance on sockets applies to the actual measured average inside diameter.NOTE 2ExampleIn the
42、 1-in. IPS size, if the actual measured average inside socket entrance diameter was 1.281 in. (32.54 mm) then the extrememeasured diameters due to ovality can be 1.291 in. (32.79 mm) maximum and 1.271 in. (32.28 mm) minimum when the out-of-round tolerance is 60.010in. (2.54 mm).8.5 Pressure Test:8.5
43、.1 Prepare test assemblies in such a manner that each, whether individual fittings or groups of fittings, is a systemincorporating at least one length of pipe or tubing and one or more fittings in addition to end closures. Fuse all fittings outlets withthe appropriate size pipe or tubing. One piece
44、of pipe in the system shall have a minimum length equal to five pipe diameters.TABLE 3 Fittings for Outside Diameter-Controlled Polyethylene TubingANominalTubingSize,in.A Socket Entrance DiameterB B Socket Bottom DiameterC,D C DAverageDiameterToleranceon DiameterMaximumOut-of-RoundAverageDiameterTol
45、erance onDiameterMaximumOut-of-RoundSocketDepth,minInside Diametermin maxin. (mm)12 0.585(14.86)+0.010(+0.25)0.007(0.18)0.010(0.25)0.575(14.61)+0.010(+0.25)0.007(0.18)0.010(0.25)0.625(15.88)0.500(12.70)0.585(14.86)34 0.835(21.21)0.010(0.25)0.010(0.25)0.825(20.96)0.010(0.25)0.010(0.25)0.625(15.88)0.7
46、50(19.05)0.835(21.21)1 1.075(27.30)0.008(0.20)0.008(0.20)1.070(27.18)+0.008(+0.20)0.012(0.30)0.008(0.20)0.625(15.88)0.850(21.59)1.078(27.38)114 1.330(33.78)0.008(0.20)0.010(0.25)1.322(33.58)0.008(0.20)0.010(0.25)0.687(17.45)1.250(31.75)1.330(33.78)A Minimum dimensions have zero negative tolerance. T
47、he sketches and designs of fittings are illustrative only. Entrance chamfer or radius is optional.B Measured at top of socket wall taper, just below entrance radius.C Dimensions of tools should be checked for consistency with fittings used. Socket bottom diameter must be equal to or smaller than ent
48、rance diameter.D Measured at bottom of socket wall taper, just above bottom radius.TABLE 54 Quick Burst Minimum Hoop Stress Requirements forWater At 73F (23C) for SDR-PR PE Plastic Pipe FittingsA ,BMaterial psi (MPa)Density Class 2 materials 2500 (17.24)Density Class 3 and 4 materials 2900 (20.00)A
49、For outside diameter controlled pipe, calculate internal test pressure in accor-dance with the following formula:P5 2SS Dot 21DWhere:P = test pressure, psig (kPa)S = test pressure hoop stress, psi. (kPa)DO = measured outside diameter, in. (mm), andt = measured minimum wall thickness, in (mm)BFiber Stress listed are to be calculated on the pipe being used in the test, not thefitting.D2683 1448.5.2 Short-Term Rupture TestThe test eq
