1、Designation:D 2447 03An American National StandardStandard Specification forPolyethylene(PE)Plastic Pipe,Schedules 40 and 80,Basedon Outside Diameter1This standard is issued under the fixed designation D 2447;the number immediately following the designation indicates the year oforiginal adoption or,
2、in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript 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 Defense.1.Scope1.1 This
3、specification covers polyethylene(PE)pipe that isoutside diameter controlled,made in Schedule 40 and 80 sizesfor use with socket-type fittings and butt fittings joined by heatfusion,and pressure-rated for water(see appendix).Includedare criteria for classifying PE plastic pipe materials and PEplasti
4、c pipe,a system of nomenclature for PE plastic pipe,andrequirements and test methods for materials,workmanship,dimensions,sustained pressure,burst pressure,and environ-mental stress cracking.Requirements for marking are alsogiven.1.2 The values stated in inch-pound units are to regarded asthe standa
5、rd.The values given in parentheses are for informa-tion only.1.3 The following safety hazards caveat pertains only to thetest methods portion,7,of this specification:This standarddoes not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the use
6、r of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2.Referenced Documents2.1 ASTM Standards:D 618 Practice for Conditioning Plastics for Testing2D 792 Test Method for Density and Specific Gravity(Rela-tive Densi
7、ty)of Plastics by Displacement2D 1238 Test Method for Melt Flow Rates of Thermoplasticsby Extrusion Plastometer2D 1248 Specification for Polyethylene Plastics ExtrusionMaterials for Wire and Cable3D 1505 Test Method for Density of Plastics by the Density-Gradient Technique2D 1598 Test Method for Tim
8、e-to-Failure of Plastic PipeUnder Constant Internal Pressure4D 1599 Test Method for Short-Time Hydraulic Failure Pres-sure of Plastic Pipe,Tubing,and Fittings4D 1600 Terminology for Abbreviated Terms Relating toPlastics2D 1603 Test Method for Carbon Black in Olefin Plastics2D 2122 Test Method for De
9、termining Dimensions of Ther-moplastic Pipe and Fittings4D 2837 Test Method for Obtaining Hydrostatic DesignBasis for Thermoplastic Pipe Materials4D 3350 Specification for Polyethylene Plastics Pipe andFittings Materials3F 412 Terminology Relating to Plastic Piping Systems42.2NSF Standards:Standard
10、No.14 for Plastic Piping Components and RelatedMaterials5StandardNo.61 forDrinkingWaterSystemsComponentsHealth 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 abbrevi
11、ationfor polyethylene plastic is PE.3.2 Definitions of Terms Specific to This Standard:3.2.1 hydrostatic design stressthe estimated maximumtensile stress in the wall of the pipe in the circumferentialorientation due to internal hydrostatic water pressure that canbe applied continuously with a high d
12、egree of certainty thatfailure of the pipe will not occur.1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.26 on OlefinBased Pipe.Current edition approved Aug.10,2003.Published September 2003.Originallya
13、pproved in 1965.Last previous edition approved in 2001 as D 2447 01.2Annual Book of ASTM Standards,Vol 08.01.3Annual Book of ASTM Standards,Vol 08.03.4Annual Book of ASTM Standards,Vol 08.04.5Available from the National Sanitation Foundation,P.O.Box 1468,Ann Arbor,MI 48106.1Copyright ASTM Internatio
14、nal,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.3.2.2 pressure rating(PR)the estimated maximum pres-sure that water in the pipe can exert continuously with a highdegree of certainty that failure of the pipe will not occur.3.2.3 relation among dimensions,hydrostati
15、c design stress,and pressure ratingthe following expression,commonlyknown as the ISO equation,6is used in this specification torelate dimensions,hydrostatic design stress,and pressurerating:2S/P 5DO/t!2 1(1)where:S=hydrostatic design stress,psi(or MPa),P=pressure rating,pse(or MPa),DO=average outsid
16、e diameter,in.(or mm),andt=minimum wall thickness,in.(or mm).3.2.4 standard thermoplastic pipe materials designationcodethe pipe materials designation code shall consist of theabbreviation PE for the type of plastic,followed by the ASTMgrade in Arabic numerals and the hydrostatic design stress inunits of 100 psi with any decimal figures dropped.Where thehydrostatic design stress code contains less than two figures,acipher shall be used before the number.Thus a completematerial code consists of t
