1、Designation:F285410Standard Specification forPush-Fit Crosslinked Polyethylene(PEX)MechanicalFittings for Crosslinked Polyethylene(PEX)Tubing1This standard is issued under the fixed designation F2854;the number immediately following the designation indicates the year oforiginal adoption or,in the ca
2、se 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 crosslinked polyethylene(PEX)push-fit mechanical fittings for use with
3、 crosslinkedpolyethylene(PEX)tubing in12,34,1 and 114in.nominaldiameters that meet the requirements of Specification F876.These fittings are intended for use in residential andcommercial,hot and cold,potable water distribution systems aswell as hydronic heating,including under-floor heatingsystems,u
4、p to and including 100 psig(6.90 bar)and 180F(82C).Includedaretherequirementsformaterials,workmanship,dimensions,performance,and markings to beused on the fittings.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to S
5、I units that are provided for information onlyand are not considered standard.1.3 The text of this specification references notes,footnotes,and appendixes which provide explanatory material.Thesenotes and footnotes(excluding those in tables and figures)shallnot be considered as requirements of the s
6、pecification.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility 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.Ref
7、erenced Documents2.1 ASTM Standards:2A269 Specification for Seamless and Welded AusteniticStainless Steel Tubing for General ServiceA276 Specification for Stainless Steel Bars and ShapesA312/A312M Specification for Seamless,Welded,andHeavily Cold Worked Austenitic Stainless Steel PipesA351/A351M Spe
8、cification for Castings,Austenitic,forPressure-Containing PartsB16/B16M Specification for Free-Cutting Brass Rod,Barand Shapes for Use in Screw MachinesB140/B140M Specification for Copper-Zinc-Lead(RedBrass or Hardware Bronze)Rod,Bar,and ShapesB283 Specification for Copper and Copper-Alloy Die Forg-
9、ings(Hot-Pressed)B371/B371M Specification for Copper-Zinc-Silicon AlloyRodB395/B395M Specification for U-Bend Seamless Copperand Copper Alloy Heat Exchanger and Condenser TubesD618 Practice for Conditioning Plastics for TestingD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of P
10、lastics by DisplacementD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe,Tubing,and FittingsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2000 Classification System for Rubber Pro
11、ducts in Auto-motive ApplicationsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2765 Test Methods for Determination of Gel Content andSwell Ratio of Crosslinked Ethylene PlasticsD6284 Test Method for Rubber PropertyEffect of Aque-ous Solutions with Available Chlorin
12、e and ChloramineD6394 Specification for Sulfone Plastics(SP)F412 Terminology Relating to Plastic Piping SystemsF876 Specification for Crosslinked Polyethylene(PEX)Tub-ingF877 Specification for Crosslinked Polyethylene(PEX)Hot-and Cold-Water Distribution SystemsF2023 Test Method for Evaluating the Ox
13、idative Resistanceof Crosslinked Polyethylene(PEX)Tubing and Systemsto Hot Chlorinated Water1This 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 Dec.1,2010.Published J
14、anuary 2011.DOI:10.1520/F2854.2For 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 International,100 Bar
15、r Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.2 PPI Standards:3PPI 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-ria
16、ls or Pipe2.3 NSF Standard:4NSF Standard No.14 for Plastic Piping Components andRelated Materials2.4 EN Standards:5EN 12164 Copper and copper alloys-Rod for free machin-ing purposesEN 12165 Copper and copper alloys-Wrought and un-wrought forging stockEN 12168 Copper and copper alloys-Hollow rod for freemachining purposes2.5 ISO Standard:6ISO 9080 Plastics piping and ducting systems-Determina-tion of the long-term hydrostatic strength of thermoplas-tics materials in pipe form by extrapolation3.Te