1、Designation:F198601(Reapproved 2011)Standard Specification forMultilayer Pipe Type 2,Compression Fittings,andCompression Joints for Hot and Cold Drinking-WaterSystems1This standard is issued under the fixed designation F1986;the number immediately following the designation indicates the year oforigi
2、nal 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.1.Scope1.1 This specification covers requirements for multilayerpipe type 2 and co
3、mpression fittings for hot and cold drinking-water systems,with a maximum pressure rating of 1000 kPa(145 psi)at 82C(180F).NOTE1Multilayer Pipe Type 2Construction-based pressure ratedpipe comprising more than one layer in which at least 60%of the wallthickness is polymeric material.1.2 Multilayer pi
4、pe type 2 is produced using a butt-weldedaluminum pipe as a core,with an extruded inside layer ofcrosslinked polyethylene(PEX).An adhesive layer is used tobond the inside layer to the wall of the aluminum pipe.Anouter layer of polyethylene(PE)and an adhesive layer areextruded to the outer wall of th
5、e aluminum pipe.1.3 Multilayer pipe type 2 is produced in configurations 1and 2,as referenced in Fig.1.1.4 This specification includes compression fittings,whichare referenced in Fig.2.1.5 Specifications for thread or solder adapters for use withpipe and fittings meeting the requirements of this spe
6、cificationare given in Annex A1 and Annex A2.1.6 The following precautionary caveat pertains only to thetest method portion of this specification:This standard doesnot purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to
7、 establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.1.7 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsys
8、tem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.2.Referenced Documents2.1 ASTM Standards:2B283 Specification for Copper and Copper-Alloy Die Forg-ings(Hot-Pressed)B455 Specification for Copper-Zinc-Lead Alloy(Leaded-Bra
9、ss)Extruded ShapesB547/B547M Specification for Aluminum and Aluminum-Alloy Formed and Arc-Welded Round TubeB584 Specification for Copper Alloy Sand Castings forGeneral ApplicationsD618 Practice for Conditioning Plastics for TestingD1505 Test Method for Density of Plastics by the Density-Gradient Tec
10、hniqueD1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD1898 Practice for Sampling of Plastics(Withdrawn 1998)3D2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2765 Test Me
11、thods for Determination of Gel Content andSwell Ratio of Crosslinked Ethylene PlasticsD3222 Specification for Unmodified Poly(Vinylidene Fluo-ride)(PVDF)Molding Extrusion and Coating MaterialsD3418 Test Method for Transition Temperatures and En-thalpies of Fusion and Crystallization of Polymers byDi
12、fferential Scanning CalorimetryD3350 Specification for Polyethylene Plastics Pipe and Fit-tings MaterialsD5033 Guide for Development ofASTM Standards Relating1This test method is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F1
13、7.11 onComposite.Current edition approved Aug.1,2011.Published November 2011.Originallyapproved in 2000.Last previous edition approved in 2006 as F1986 01(2006).DOI:10.1520/F1986-01R11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.o
14、rg.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.Un
15、ited States1 to Recycling and Use of Recycled Plastics(Withdrawn2007)3F412 Terminology Relating to Plastic Piping SystemsF477 Specification for Elastomeric Seals(Gaskets)for Join-ing Plastic Pipe2.2 ANSI Standard:4ANSI/NSF 61 Drinking Water System ComponentsHealthEffects2.3 ISO Standard:4ISO 10508 T
16、hermoplastics Pipe and Fittings for Hot andCold Water Systems2.4 ARP Standard:5AS 568 A Aerospace Size Standard For O-Rings3.Terminology3.1 Definitions:3.1.1 Definitions are in accordance with Terminology F412,and abbreviations are in accordance with Terminology D1600,unless otherwise specified.3.1.2 crosslinked polyethylene(PEX),na plastic preparedby crosslinking(curing)of PE compound.3.1.3 multilayer pipe type 2,na pipe consisting of differ-ent materials with specific functional purpose to ser
