1、Designation:D326115Standard Specification forButt Heat Fusion Polyethylene(PE)Plastic Fittings forPolyethylene(PE)Plastic Pipe and Tubing1This standard is issued under the fixed designation D3261;the number immediately following the designation indicates the year oforiginal adoption or,in the case o
2、f 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.S.Department of Defense.1.Scope*1.1 This specifica
3、tion covers polyethylene(PE)butt fusionfittings for use with polyethylene pipe(IPS,DIPS,and ISO)and tubing(CTS).Included are requirements for materials,workmanship,dimensions,marking,sustained pressure,andburst pressure.1.2 The values stated in inch-pound units are to be regardedas standard.The valu
4、es given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:2D1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD1599 Test Method for Resistance to Sho
5、rt-Time HydraulicPressure of Plastic Pipe,Tubing,and FittingsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2513 Specification for Polyethylene(PE)Gas PressurePipe,Tubing,and FittingsD3350 Specification for
6、 Polyethylene Plastics Pipe and Fit-tings 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 National Sanitation Foundation Standard:Standard No.14
7、 for Plastic Piping Components and RelatedMaterials42.5 Plastic Pipe Institute5PPI 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
8、 TR-4 HDB/SDB/PDB/MRS Listed 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 abbrev
9、iations are in accordance with Terminology D1600,unless otherwise specified.3.2 dimension ratio(DR)for thermoplastic pipethe ratioof diameter to wall thickness.For this specification it iscalculated by dividing the specified outside diameter by thespecified wall thickness of the fitting at its area
10、of fusion.DRsare rounded and do not calculate exactly.4.Classification4.1 GeneralThis specification covers butt fusion fittingsintended for use with polyethylene pipe and tubing.4.1.1 Fittings covered by this specification are normallymolded.Fittings may be machined from extruded or moldedstock.4.1.
11、2 Fittings fabricated by thermal welding are not in-cluded in this specification.4.1.3 Fittings intended for use in the distribution of naturalgas or petroleum fuels shall also meet the requirements ofSpecification D2513.1This specification is under the jurisdiction of ASTM Committee F17 on PlasticP
12、iping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved Dec.15,2015.Published January 2016.Originallyapproved in 1973.Last previous edition approved in 2012 as D3261 121.DOI:10.1520/D3261-15.2For referenced ASTM standards,visit the ASTM website,www.
13、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.3DLA Document Services Building 4/D 700 Robbins Avenue Philadelphia,PA19111-5094 http:/quicksearch.dla.mil/4Available from N
14、SF International,P.O.Box 130140,789 N.Dixboro Rd.,AnnArbor,MI 48113-0140,http:/www.nsf.org.5Available from Plastics Pipe Institute(PPI),105 Decker Court,Suite 825,Irving,TX 75062,http:/www.plasticpipe.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,1
15、00 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Copyright by ASTM Intl(all rights reserved);Thu May 26 14:33:02 EDT 2016Downloaded/printed byUniversidad Pontificia Bolivariana(Universidad Pontificia Bolivariana)pursuant to License Agreement.No further reproductions au
16、thorized.5.Ordering Information5.1 When ordering fittings under this specification,thefollowing should be specified:5.1.1 Polyethylene compound(material designation or tradename)5.1.2 Style of fitting(tee,90 ell,and the like)5.1.3 Size:5.1.3.1 Nominal diameter.5.1.3.2 CTS,IPS,DIPS,or schedule.5.1.3.3 Dimension ratio number or schedule number.6.Materials6.1 Polyethylene CompoundPolyethylene material com-pounds suitable for use in the manufacture of fittings under thisspecification shall meet Spec
