1、Designation: F2807 13 (Reapproved 2018) An American National StandardStandard Specification forMultilayer Polyethylene-Polyamide (PE-PA) Pipe forPressure Piping Applications1This standard is issued under the fixed designation F2807; the number immediately following the designation indicates the year
2、 oforiginal 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 and test methodsf
3、or12 in. through 14 in. multilayer polyethylene-polyamide(PE-PA) pipe, which is a two-layer pipe (PE pipe layer bondedto an inner layer of PA). The multilayer pipe covered by thisspecification is intended for use in piping applications wherethe permeation and chemical resistance of polyamide (PA)com
4、pounds may be useful to protect the PE pipe layer, such asoil and gas producing applications that convey oil, dry or wetgas, and multiphase fluids.NOTE 1Permeability and chemical resistance depends on the type ofPA used. The PA layer delays but does not prevent liquid hydrocarbonseffects. Therefore,
5、 the hydrocarbon chemical design factor for thismultilayer pipe should be the same as for PE pipe layersee X1.2.1.2 Electrofusion and mechanical joints are typically usedfor this multilayer pipe.1.3 Unless specified otherwise, all the pipe requirements inthis specification are for the multilayer pip
6、e.1.4 The PA layer is not taken into consideration for thedesign pressure of multilayer pipe meeting this specification.Design pressure rating is determined from the PE pipe layeralonesee Appendix X1.1.5 UnitsThe values stated in inch-pound units are to beregarded as the standard. The values given i
7、n parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.6 The text of this standard references notes and footnoteswhich provide explanatory material. These notes and footnotes(excluding those in figures and tables) shall not be co
8、nsideredas requirements of the standard.1.7 The following precautionary caveat pertains only to thetest method portion, Section 6, 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 this s
9、tandard to establish appropriate safety, health, andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.8 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on
10、 Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1598 Test Method for Time-to-Failure
11、 of Plastic PipeUnder Constant Internal PressureD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe, Tubing, and FittingsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD1603 Test Method for Carbon Black Content in OlefinPlasticsD2122 Test Method for Determin
12、ing Dimensions of Ther-moplastic Pipe and FittingsD2290 Test Method for Apparent Hoop Tensile Strength ofPlastic or Reinforced Plastic PipeD2837 Test Method for Obtaining Hydrostatic Design Basisfor Thermoplastic Pipe Materials or Pressure Design Basisfor Thermoplastic Pipe ProductsD3350 Specificati
13、on for Polyethylene Plastics Pipe and Fit-tings MaterialsD4218 Test Method for Determination of Carbon BlackContent in Polyethylene Compounds By the Muffle-Furnace TechniqueD6779 Classification System for and Basis of Specificationfor Polyamide Molding and Extrusion Materials (PA)F412 Terminology Re
14、lating to Plastic Piping SystemsF1290 Practice for Electrofusion Joining Polyolefin Pipe andFittings1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.68 on EnergyPiping Systems.Current edition approved Ja
15、n. 1, 2018. Published January 2018. Originallyapproved in 2013. Last previous edition approved in 2013 as F280713. DOI:10.1520/F2807-13R18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume
16、 information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standar
17、dization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.1F2619/F2619M Specification for High-Density Polyethylene(PE) Line Pipe2.2 Federal Specifica
18、tions:Fed. Std. No. 123 Marking for Shipment (Civil Agencies)3MIL-STD 129 Military Marking for Shipment and Storage42.3 ISO Standards:5ISO 1167 Thermoplastics pipes for the conveyance offluidsResistance to internal pressureISO 3126 Plastic piping systemsPlastic pipingcomponentsMeasurement and determ
19、ination of dimen-sionsISO 6259 Thermoplastics pipesDetermination of tensilepropertiesISO 8510-2 AdhesivesPeel test for a flexible-to-rigidspecimen assembly180 peel2.4 Plastic Pipe Institute:6PPI TR-3 Policies and Procedures for Developing Hydro-static Design Basis (HDB), Pressure Design Basis (PDB),
20、Strength Design Basis (SDB), and Minimum RequiredStrength (MRS) Ratings for Thermoplastic Piping Mate-rials or PipePPI TR-4 PPI Listing of Hydrostatic Design Basis (HDB),Strength Design Basis (SDB), Pressure Design Basis(PDB) and Minimum Required Strength (MRS) Ratingsfor Thermoplastic Piping Materi
21、als or PipePPI TR-9 Recommended Design Factors and Design Coef-ficients for Thermoplastic Pressure PipePPI TR-23 Guidelines for Establishing the Pressure Ratingfor Multilayer and Co-extruded Plastic Pipes2.5 Other Documents:SAE J 2260 Nonmetallic Fuel System Tubing with One orMore Layers7EN 14125 Th
22、ermoplastic and flexible metal pipework forunderground installation at petrol filling stations83. 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 multilayer pipe, nplastic
23、 pipe comprised of morethan one layer.3.1.3 re-rounding equipment, ntooling used to reform thepipe and permanently reduce ovality to 5 % or less.3.1.4 rounding equipment, ntooling, devices, clamps, andso forth, used to temporarily hold the pipe round while ajoining procedure (heat fusion, electrofus
24、ion, or mechanical) isperformed.4. Compound Requirements4.1 PE Compound RequirementsThe PE compound usedto make the PE pipe layer shall be virgin compound and shallhave a Plastics Pipe Institute (PPI) hydrostatic design basis(HDB) rating in accordance with PPI TR-3 using Test MethodD2837. The PE com
25、pound used for the PE pipe layer shall havea pipe material designation code of PE 4710 in accordance withPPI TR-3 Section F.7 and shall be listed in PPI TR-4, and shallmeet Specification D3350 requirements, with a minimum cellclass of 444474C.4.1.1 Additive ClassesPE compounds shall be Code C asdefi
26、ned in Specification D3350. Code C compound shallcontain 2.0 to 3.0 percent carbon black as measured by TestMethod D1603 or D4218. The pipe manufacturer shall mea-sure carbon black content of the compound once per week.4.1.2 Chemical ResistanceTesting shall be conducted per6.10 on specimens of PE co
27、mpound from compression moldedplaques or from a ring specimen prepared from pipe.NOTE 2This test is only an indication of what may happen as a resultof short-term exposure to these chemicals. Contact the manufacturer forspecific chemical resistance information for this product.4.1.3 Elevated Tempera
28、tureThe PE 4710 compound shallhave an HDB at 140 F (60 C) of at least 1000 psi listed in PPITR-4.4.2 PA Compound RequirementsThe PA compound shallbe a non-reinforced PA with the three-digit cell class (group,class, grade) in accordance with Classification D6779 perTable 1.4.2.1 Chemical ResistanceBa
29、sed on the intended applica-tion and the corresponding need for chemical resistance, themultilayer pipe manufacturer shall provide chemical resistanceproperties for the type of PA compound used in the PA layer ofthis multilayer pipe.4.2.2 ColorThe PA layer shall have a different color fromthe black
30、PE pipe layer so that it can be easily recognized, suchas the APWA color coding system of yellow for gas and oillines.4.3 Rework CompoundTo prevent possible contaminationbetween PE and PA, rework (regrind) shall not be used for thepolyethylene and polyamide layers.4.4 DocumentationA documentation sy
31、stem to allow fortraceability of compounds used in the manufacture of themultilayer pipe product meeting the requirements of thisspecification shall exist and be supplied to the purchaser, ifrequested.3Available from U.S. Government Publishing Office, 732 N. Capitol St., NW,Washington, DC 20401, htt
32、p:/www.gpo.gov.4Available from DLA Document Services, Building 4/D, 700 Robbins Ave.,Philadelphia, PA 19111-5094, http:/quicksearch.dla.mil.5Available from International Organization for Standardization (ISO), ISOCentral Secretariat, BIBC II, Chemin de Blandonnet 8, CP 401, 1214 Vernier,Geneva, Swit
33、zerland, http:/www.iso.org.6Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,Irving, TX 75062, http:/www.plasticpipe.org.7Available from National Fire Protection Association (NFPA), 1 BatterymarchPark, Quincy, MA 02169-7471, http:/www.nfpa.org.8Available from European Commit
34、tee for Standardization (CEN), AvenueMarnix 17, B-1000, Brussels, Belgium, http:/www.cen.eu.TABLE 1 Polyamide Type and Cell ClassPolyamide (PA) Type PA Cell ClassPA 6 214PA 11 322PA 12 423F2807 13 (2018)25. Multilayer Pipe Requirements5.1 GeneralMultilayer pipe shall be supplied in eithercoils or st
35、raight lengths. Pipe that will be supplied in coils shallmeet the minimum test values required by this specificationafter being bent to minimum radius used for coiling and thenuncoiled or straightened prior to testing.5.1.1 The multilayer pipe shall meet all the performancerequirements of this speci
36、fication. There shall be no delamina-tion of the bonded PA layer during coiling, shipping, handlingor operation of the multilayer pipe.5.2 WorkmanshipThe multilayer pipe shall be homoge-neous throughout each layer. The multilayer pipe shall be freeof visible cracks, holes, foreign inclusion, blister
37、s, and dents,or other injurious defects. Each respective layer of the multi-layer pipe shall be as uniform as commercially practicable incolor, opacity, density, and other physical properties.5.3 Multilayer Pipe Dimensions and Tolerances:5.3.1 PE Pipe Layer DimensionsThe PE dimensions shallbe specif
38、ied by wall thickness and outside diameter.5.3.1.1 DiametersThe average outside diameter of thepolyethylene pipe layer shall meet the requirements given inTable 2 when measured in accordance with 6.5.1.1.5.3.1.2 Toe-InWhen measured in accordance with 6.5.1.1,or in accordance with the manufacturers p
39、rocedures formultilayer pipe dimensions, the outside diameter at the cut endof the multilayer pipe shall not be more than 1.5 % smaller thanthe undistorted outside diameter. Measurement of the undis-torted outside diameter shall be made no closer than 1.5 pipediameters or 11.8 in. (300 mm), whicheve
40、r distance is less,from the cut end of the multilayer pipe. The undistorted outsidediameter of the PE pipe layer shall meet the requirements ofTable 2.5.3.1.3 Wall ThicknessThe wall thickness of the PE pipelayer shall be as specified in Table 3 when measured inaccordance with 6.5.1.2.5.3.2 PA Layer
41、Wall thicknessThe minimum wall thick-ness of the PA layer shall be 0.039 in. (1.0 mm) and themaximum wall thickness shall be 0.047 in. (1.2 mm) whenmeasured in accordance with 6.5.1.2.5.3.3 OvalityThe ovality (cross section) of 3 in. IPS (88.9mm) and smaller multilayer pipe shall not exceed 5 % when
42、determined in accordance with 6.5.2. Measurements of coiledmultilayer pipe shall be made on a sample cut from the coil,and in case of disagreement, conditioned per 6.3.NOTE 3Other factors, that is, installation compaction, static soilloading, and dynamic vehicular loads may increase the ovality; the
43、refore,5 % was chosen as the limit for the amount contributed by manufacturing,packing, in-plant storage, and shipping. Before or during installation,coiled multilayer pipe larger than 3 in. IPS (89 mm) should be processedby the installer through re-rounding equipment that corrects ovality to 5 %or
44、less.NOTE 4Ovality is a packaging condition that occurs when roundablepipe is wound into a coilthe pipe flattens out as it is coiled. Ovality iscorrected when joining equipment is applied to roundable pipe, or by fieldprocessing roundable pipe through re-rounding and straightening equip-ment during
45、installation.5.3.3.1 LengthThe multilayer pipe shall be supplied instraight lengths or coils as agreed upon between the manufac-turer and the purchaser. The length shall not be less than theminimum length agreed upon when corrected to 73 F (23 C).5.4 Sustained PressureTo assure slow crack growth res
46、is-tance of the multilayer pipe construction, the multilayer pipeshall not fail as defined in Test Method D1598, when tested inaccordance with 6.6.5.5 Minimum Hydrostatic Burst Pressure:5.5.1 Multilayer pipe shall have a minimum burst stress of3200 psi (22.1 MPa) when tested in accordance with 6.7 u
47、singthe wall thickness for the multilayer pipe.5.5.2 For multilayer pipe sizes above 4-in. nominaldiameter, the apparent ring tensile strength test per 5.6 is anacceptable alternative.5.6 Apparent Tensile Stress at YieldMultilayer pipe shallhave a minimum apparent tensile stress at yield of 3200 psi
48、(22.1 MPa) when tested in accordance with 6.8 using the wallthickness for the multilayer pipe.5.7 Adhesion (Bonding) of PE and PA Layers:5.7.1 The PA layer shall be bonded to the PE pipe layereither with a bonding layer or by chemical means so that thepeel force adhesion requirement of 5.7.2 is met.
49、 Layers shallnot delaminate upon rapid decompression from the designpressure to atmospheric pressure at the design temperature inthe operating environment.5.7.2 When manufactured, the peel force adhesion for thePE pipe layer bonded to the PA layer shall be greater than 28.5TABLE 2 Average Outside Diameters and Tolerances for Polyethylene Pipe Layer, in. (mm)NominalPipe Size(NPS)AverageOutsideDiameterToleranceMaximumOut-of-RoundnessSDR 32.5MaximumOut-of-RoundnessSDR 26MaximumOut-of-RoundnessSDR 21MaximumOut-of-RoundnessSDR 17
