1、Designation:F217602(Reapproved 2009)Standard Specification forMechanical Couplings Used on Polyethylene Conduit,Ductand Innerduct1This standard is issued under the fixed designation F2176;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revisi
2、on,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.1.Scope1.1 This specification establishes requirements for material,performance,workmanship and test methods for the qu
3、alifica-tion of 2 in.and smaller mechanical couplings that connect toDR 15.5 and lower polyethylene conduit,duct and innerductcovered by Specification F2160.Throughout this standard,“conduit”refers to“conduit,duct or innerduct”manufacturedin accordance with Specification F2160.1.2 The values stated
4、in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 The couplings covered by this specification are typicallydesigned to join between conduit ends(in-line c
5、oupling).Thesame coupling-to-conduit joint design may be used as a part ofother coupling joint designs that telescope,or connect tobulkheads,or other adapter fitting designs.The requirements ofthis standard apply only to the coupling-to-conduit jointdesign.The performance requirements of other coupl
6、ing jointdesigns are not a part of this standard.1.4 The following safety hazards caveat pertains only to thetest methods portion,Section 9 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
7、this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory require-ments prior to use.2.Referenced Documents2.1 ASTM Standards:2D638 Test Method for Tensile Properties of PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2444 Te
8、st Method for Determination of the Impact Resis-tance of Thermoplastic Pipe and Fittings by Means of aTup(Falling Weight)F412 Terminology Relating to Plastic Piping SystemsF2160 Specification for Solid Wall High Density Polyethyl-ene(HDPE)Conduit Based on Controlled Outside Diam-eter(OD)3.Terminolog
9、y3.1 Definitions are in accordance with Terminology F412and abbreviations are in accordance with Terminology D1600,unless otherwise specified.3.2 Definitions of Terms Specific to This Standard:3.2.1 coupling joint,nthe connection between the cou-pling and a conduit end.3.2.2 duct,na conduit(see Term
10、inology F412,conduit).3.2.3 inline mechanical couplings,na device used to jointwo conduit ends.3.2.4 innerduct,na conduit installed inside a conduit.4.Materials and Manufacture4.1 The physical properties of each material used to producemechanical couplings shall be available from the couplingmanufac
11、turer upon request.4.2 Specifications outlining all the physical properties andeffects of environmental conditions for materials of manufac-ture shall be available from the coupling manufacturer uponrequest.NOTE1Materials should have a demonstrated resistance to environ-mental stress cracking when e
12、xposed,under stress,to chemical com-pounds encountered in or external to conduit systems and a demonstratedresistance to bacteriological decomposition.Such compounds include,butare not limited to,alkalines,fertilizers,ice thawing chemicals,insecticides,herbicides,and acids.5.Performance Requirements
13、5.1 The following requirements shall be met on each cou-pling design and nominal size.Any revisions by the manufac-turer to the original coupling design after the initial qualifica-tion testing requires retesting to ensure conformance with theserequirements.NOTE2It is permissible when accomplishing
14、these tests to do so on1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved March 1,2009.Published March 2009.Originallyapproved 2002.Last previous edition approved in
15、 2002 as F217602.DOI:10.1520/F2176-02R09.2For referenced ASTM standards,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.Copyright ASTM Internatio
16、nal,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 only the thickest and thinnest(lowest and highest DR)conduit wallsections in Specification F2160 that the coupling is to be used on.If inthose tests all performance requirements are met,all wall thicknessesbetween those tested may be considered as having met the requirements.5.2 Pressure Requirements:5.2.1 Sustained Internal PressureThe coupling/conduitjoint shall not fail by leakage as described by and tested i
