1、Designation:F283112Standard Practice forInternal Non Structural Epoxy Barrier Coating Material UsedIn Rehabilitation of Metallic Pressurized Piping Systems1This standard is issued under the fixed designation F2831;the number immediately following the designation indicates the year oforiginal adoptio
2、n 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.1.Scope*1.1 This standard is intended to establish the minimumcriteria necessary for use of a
3、 mechanically mixed,blended,epoxy barrier coating(AWWA Class I)that is applied to theinterior of12in.to 36 in.metallic pipe or tube used inpressurized piping systems for corrosion protection and toimprove flow rates.There is no restriction as to the developedlength of the piping system other than th
4、e method of applica-tion(“blow through”,spin cast or hand sprayed)and thecharacteristics of the epoxy coating being applied but themanufacturers engineer shall be consulted for any limitationsassociated with this product,process and its application for theend user.1.2 The values stated in inch-pound
5、 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 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsib
6、ility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1600 Terminology forAbbreviated Terms Relating to Plas-ticsD3359 Test Methods for Measuring Adhe
7、sion by Tape TestD3363 Test Method for Film Hardness by Pencil TestD4541 Test Method for Pull-Off Strength of Coatings UsingPortable Adhesion TestersD4752 Practice for Measuring MEK Resistance of EthylSilicate(Inorganic)Zinc-Rich Primers by Solvent RubD4414 Practice for Measurement of Wet Film Thick
8、ness byNotch GagesF412 Terminology Relating to Plastic Piping Systems2.2 AWWA Standard:3AWWA C210 Liquid Epoxy Coating Systems for theInterior and Exterior of Steel Water PipelinesAWWA Rehabilitation of Water Mains:Manual of WaterSupply Practices M28,Appendix2.3 NSF Standard:4NSF/ANSI 61 Drinking Wa
9、ter System Components Health EffectsNSF/ANSI 14 Plastic Piping System Components and Re-lated Materials2.4 Society of Protective Coatings Standards:5SSPC-SP 1 Solvent Cleaning SSSPC-SP 6/NACE No.3 Commercial blast cleaning3.Terminology3.1 DefinitionsDefinitions are in accordance with Termi-nology an
10、d abbreviations are in accordance with TerminologyD1600,unless otherwise specified.3.2 Definitions:3.2.1 accredited certifying organization,nan agency ac-credited by an independent and authoritative conformity as-sessment body(ANSI,ISO/ICC or equivelant)to operate amaterial and product listing and l
11、abeling(certification)systemthat is accepted by the Authority Having Jurisdiction.3.2.2 AWWA class I linings,nNon-structural systems,such as traditional CML and epoxy.(See AWWA Rehabilita-tion of Water Mains.)3.2.3 listed(third-party certified),adjequipment or ma-terials included in a list published
12、 by a listing agency(accred-ited conformity assessment body)that maintains periodic1This practice is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.67 onTrenchless Plastic Pipeline Technology.Current edition approved April 1
13、,2012.Published May 2012.Originallyapproved in 2011.Last previous edition approved in 2011 as F283111.DOI:10.1520/F283112.2For 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
14、 the standards Document Summary page onthe ASTM website.3Available from American Water Works Association(AWWA),6666 W.QuincyAve.,Denver,CO 80235,http:/www.awwa.org.4Available from NSF International,P.O.Box 130140,789 N.Dixboro Rd.,AnnArbor,MI 48113-0140,http:/www.nsf.org.5Available from Society for
15、Protective Coatings(SSPC),40 24th St.,6th Floor,Pittsburgh,PA 15222-4656,http:/www.sspc.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 inspection on current production
16、of listed equipment or mate-rials and whose listing states either that the equipment ormaterial complies with approved standards or has been testedand found suitable for use in a specified manner.3.2.4 metallic piping,na tubular shape made of metal,intended to convey fluids or gas.Usually semi-rigid or rigidmetal such as galvanized steel,galvanized wrought iron blacksteel,stainless steel,copper,brass or similar metal pipingsystems.4.Material Requirements4.1 When applied to potable water systems,