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ASTM_F_2929_-_13.pdf

1、Designation:F292913Standard Specification forCrosslinked Polyethylene(PEX)Tubing of 0.070 in.Wall andFittings for Radiant Heating Systems up to 75 psig1This standard is issued under the fixed designation F2929;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()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers 0.070 in.wall thickness cross-linked polyethylene(PEX)tubing

3、 that is outside diametercontrolled,and intended for non-potable radiant heating appli-cations for pressures up to 75 psig in sizes58NTS(nominaltubing size)and78NTS.This specification also includesfittings that are specifically designed for this 0.070 in.-wallPEX tubing.Only 75-psig relief valves sh

4、all be used with thistubing.Included in this specification are requirements and testmethods for material,workmanship,dimensions,burstpressure,hydrostatic sustained pressure,environmental stresscracking,stabilizer functionality,bent-tube hydrostaticpressure,excessive temperature and degree of crossli

5、nking.Requirements for tubing markings are also given.This tubingdoes not have an oxygen diffusion barrier layer and shall not beused in systems that require a barrier layer.This tubing is notintended for field bending at temperatures above 120F(49C).1.2 The text of this specification references not

6、es,footnotes,and appendixes,which provide explanatory material.Thesenotes and footnotes(excluding those in tables and figures)shallnot be considered as requirements of the specification.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathem

7、aticalconversions to SI units that are provided for information onlyand are not considered standard.1.4 The following safety hazards caveat pertains only to thetest methods portion,Section 7,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated w

8、ith its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:A269 Specification for Seamless and Welded AusteniticStainless Steel T

9、ubing for General ServiceA276 Specification for Stainless Steel Bars and ShapesA312/A312M Specification for Seamless,Welded,andHeavily Cold Worked Austenitic Stainless Steel PipesB16/B16M Specification for Free-Cutting Brass Rod,Barand Shapes for Use in Screw MachinesB61 Specification for Steam or V

10、alve Bronze CastingsB62 Specification for Composition Bronze or Ounce MetalCastingsB140/B140M Specification for Copper-Zinc-Lead(RedBrass or Hardware Bronze)Rod,Bar,and ShapesB283 Specification for Copper and Copper-Alloy Die Forg-ings(Hot-Pressed)B371/B371M Specification for Copper-Zinc-Silicon All

11、oyRodB584 Specification for Copper Alloy Sand Castings forGeneral ApplicationsB967/B967M Specification for Copper-Zinc-Tin-BismuthAlloy Rod,Bar and WireD618 Practice for Conditioning Plastics for TestingD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD

12、1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe,Tubing,and FittingsD1600 Terminology forAbbreviated Terms Re

13、lating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2765 Test Methods for Determination of Gel Content andSwell Ratio of Crosslinked Ethylene PlasticsD2837 Test Method for Obtaining Hydrostatic Design Basisfor Thermoplastic Pipe Materials or Pressure D

14、esign Basisfor Thermoplastic Pipe ProductsD3895 Test Method for Oxidative-Induction Time of Poly-olefins by Differential Scanning CalorimetryE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsF412 Terminology Relating to Plastic Piping Systems1This specification is under the jurisdiction o

15、f ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.61 on Water.Current edition approved May 1,2013.Published June 2013.DOI:10.1520/F292913Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 F265

16、7 Test Method for Outdoor Weathering Exposure ofCrosslinked Polyethylene(PEX)Tubing2.2 ANSI Standard:2B36.10 Standards Dimensions of Steel Pipe(IPS)2.3Federal Standard:3FED-STD-123 Marking for Shipment(Civil Agencies)2.4Military Standard:3MIL-STD-129 Marking for Shipment and Storage2.5ISO Standards:4ISO 1167 Thermoplastics pipes,fittings and assemblies forthe conveyance of fluids-Determination of the resistanceto internal pressure-Part 1:General methodISO R 161-1690 Pipes of Plastic Materials fo

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