1、Designation: F2880 11aAn American National StandardStandard Specification forLap-Joint Type Flange Adapters for Polyethylene PressurePipe in Nominal Pipe Sizes34 in. to 65 in.1This standard is issued under the fixed designation F2880; the number immediately following the designation indicates the ye
2、ar 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.Table 5 has been included, editorial changes were made throughout,
3、 and the year date was changed on July 22, 2011.1. Scope1.1 This specification covers the polyethylene material anddimensions applicable to flange adapters (FAs) used to connectpolyethylene pipes to other flanged pipe and components suchas valves and flanged fittings. This standard describes outside
4、diameter controlled polyethylene (PE) pipe flange adapters(FAs) in diameters ranging from34 in. through 65 in. (12 mmthrough 1600 mm). The flange adapters may be manufacturedby various methods including injection molding, compressionmolding, and machining from thick-wall polyethylene pipe.1.2 The fl
5、ange adapter (FA) is the principal component ofthe lap-joint flanged assembly widely used for several decadesin low-pressure to high-pressure polyethylene pipe systems forall types of pressurized flow (gas and liquid) applications. Theflange adapters physical shape consists of the pipe-like Neckwhic
6、h is monolithic with its Hub. The Neck is intended to bebutt-fused or fusion coupled to the pipe-line; while the Hubface is intended to affect the seal when subjected to thedistributed load from the back up ring with its properly torquedbolt-studs and nuts.NOTE 1Polyethylene pipe flange adapters wit
7、h slip on bolt rings areintended for use being bolted to each other or to be bolted to metal flangeshaving (primarily) Class 150 bolt hole patterns such as those presented inmetal flange standards ASME B16.5, ASME B16.47 and AWWA C207.1.3 The values stated in inch-pound units are to be regardedas st
8、andard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 The use of gaskets and gasket selection are often anintegral component of the flange adapter assembly. See thePlastic Pipe Institute Technical Not
9、e TN-38 for more informa-tion regarding HDPE flanged joints.1.5 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-b
10、ility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2513 Specification for Polyethylene (PE) Gas PressurePipe, Tubing, and FittingsD2837 Test Method for Obtaining Hydrostatic Design B
11、asisfor Thermoplastic Pipe Materials or Pressure Design Basisfor Thermoplastic Pipe ProductsD3035 Specification for Polyethylene (PE) Plastic Pipe(DR-PR) Based on Controlled Outside DiameterD3261 Specification for Butt Heat Fusion Polyethylene(PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe
12、andTubingD3350 Specification for Polyethylene Plastics Pipe andFittings MaterialsF714 Specification for Polyethylene (PE) Plastic Pipe(SDR-PR) Based on Outside DiameterF2206 Specification for Fabricated Fittings of Butt-FusedPolyethylene (PE) Plastic Pipe, Fittings, Sheet Stock, PlateStock, or Block
13、 Stock2.2 ASME Standards:3B16.5 “Pipe Flanges and Flanged Fittings”B16.47 “Large Diameter Steel Flanges: NPS 26 throughNPS 60” Class #150 Series AB36.10M Welded and Seamless Wrought Steel PipeB36.19M Stainless Steel Pipe2.3 AWWA Standards:4C207 “Standard for Steel Pipe Flanges for WaterworksService,
14、 Sizes 4 In. Through 144 In. (100 mm Through1This 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 July 22, 2011. Published July 2011. Originallyapproved in 2011. Last p
15、revious edition approved in 2011 as F288011. DOI:10.1520/F2880-11A.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 we
16、bsite.3Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.4Available from American Water Works Association (AWWA), 6666 W. QuincyAve., Denver, CO 80235, http:/www.awwa.org.1Copyright ASTM Intern
17、ational, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3,600 mm); Class #150 /Series B,D the outside diameter(OD) of plastic pipe that matches the nominal standarddiameters of metal ductile iron, or, cast-iron pipes; alsocommonly referred to as DIOD, Ductile Iro
18、n Outside Diam-eter, previously known as CIOD or cast-iron OD.3.4 flange adapterOne component of the two piece lap-joint flange assembly; It is a one piece polyethylene devicewhose geometry consists of two shapes: the wide, circular,seal-face disk, with central hole, which transitions along itslengt
19、h into pipe of smaller diameter and wall thickness,matched to the pipe-main to which it is to be joined. (Refer toFig. 1).3.5 HubThe disk ring, or collar, extending radially out-ward from the pipe OD at the pipe termination.3.6 Hydrostatic design stress (HDS)The maximum allow-able hoop stress in the
20、 pipe wall for pipe that is subjected tosustained long-term hydrostatic pressure. The hydrostatic de-sign stress is determined by multiplying the hydrostatic designbasis by the PPI recommended design factor for water service.HDS ratings for PE materials are published by PPI in TR-4.3.7 IPSIron Pipe
21、Size (steel pipe) outside diameters;replaced with nominal pipe sizes (NPS) per as listed with theplastic pipe standards and B36.10M and B36.19M.3.8 lap-joint flange ringthe loose metal ring that transfersthe load from the bolts through the hub to the seal face.3.9 neckThe long barrel of the flange a
22、dapter with ODand wall thickness matched to the pipeline dimensions. Theneck length must be sufficient for fusion joining in the fusionmachine used.3.10 seal faceThe front of the Hub, which contacts themating flange, which radially confines fluid pressure by com-pressive stress when subjected to dis
23、tributed load from torquedbolts.3.11 residual sealing stressThe long-term compressivestress intensity from the load distributed over the seal face areawhich is in contact with a mating flange.3.12 pressure rating (PR)maximum sustained internalwater pressure at 80F (27C) and lower service temperature
24、with specified maximum allowances for pressure surges.PR 523HDS3FTDR21!(1)where:HDS = hydrostatic design stress for water at 73F, psi (kPa)FT= temperature factor (1.00 for 80F (27C) and lowerwater service temperature)5Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, M
25、I 48113-0140, http:/www.nsf.org.6Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,Irving, TX 75062, http:/www.plasticpipe.org.FIG. 1 Polyethylene Flange Adapter GeometryF2880 11a2DR = dimension ratio. Surge pressure allowances areapplied above the sustained internal pressure
26、 andare integral to the working pressure rating.4. Polyethylene Materials for Flange4.1 GeneralTable 1 contains the list of polyethylenematerials that are acceptable for use in manufacture of theflange adapters. Usually, the flange adapter material has thesame material designation as the specified p
27、olyethylene pipe-line material, for the purpose of chemical resistance andheat-fusion joining. Commercial virgin PE material com-pounds shall meet Table 1 physical properties, SpecificationD3350 requirements and shall be classified per SpecificationD3350 as shown in Table 1. The PE material compound
28、 shallhave HDB ratings at 73F (23C) and at 140F (60C) andHDS ratings at 73F (23C) determined in accordance withTest Method D2837 and PPI TR-3.4.2 ColorThe PE material in the pipe shall contain colorand ultraviolet (UV) stabilizer meeting the requirements ofCode C or E per Specification D3350. Code C
29、 material shallcontain between 2 to 3 percent carbon black by weight.4.3 ReworkClean rework pipe-grade polyethylene mate-rial derived from pipe and or fittings production by the samemanufacturer are acceptable as part of a blend with virginmaterial for the production of flange adapters provided that
30、 (a)the cell classification or materials designation code of therework material is the same as the virgin material compound towhich it is added, and (b) the rework materials complied withapplicable requirements as virgin materials.4.4 Potable WaterMaterials used for products intendedfor use in the t
31、ransport of potable water shall be evaluated andcertified as safe for this purpose by a testing agency acceptableto the local health authority. The evaluation shall be inaccordance with requirements for chemical extraction, taste,and odor that are no less restrictive than those included inNSF/ANSI S
32、tandard No. 14 or NSF/ANSI Standard No. 61.The seal or mark of the laboratory making the evaluationshould be included on the piping per 7.1.3.7.5. Flange Adaptor Dimensions and Working PressureRatings5.1 GeneralThis standard describes 10 dimension ratios(DRs) for nominal flange adapter sizes ranging
33、 from34 in.through 65 in. (12 mm through 1 600 mm). Flange adapteroutside diameters (ODs) conform to the outside diameterdimensions of iron pipe sizes (IPS), or to equivalent outsidediameters for ductile-iron (DI) pipe (DIPS). Polyethyleneflange adapters are classified by dimension ratios (DRs)rangi
34、ng from 7.0 to 32.5. The resultant combinations of PEmaterial designations and DRs define flange adapters withpressure ratings ranging from 40 to 333 psig (276 to 2 299 kPa)when conveying water at 80F (27C) and lower temperatures.Use at temperatures above 80F (27C) up to 140F (60C) isacceptable at p
35、ressure ratings that are appropriately reduced forthe service temperature.5.2 Outside diametersThe neck Outside Diameter (OD)of the flange adapter measured at 73.4 6 3.6F (23 6 2C)shall conform to the applicable OD dimension requirementsspecified in the related polyethylene pipe standards : Specifi-
36、cations F714, D2513, D3035, and AWWA C901 and C906.Measurements shall be made according to the methods speci-fied in Test Method D2122. The tolerance on outside diametershall not exceed 60.45 percent of the average outside diam-eter, as presented in the tables for NPS 4-in. and larger.5.2.1 Special
37、SizesWhere existing system conditions orspecial local requirement make other diameters or dimensionratios necessary, other sizes or dimension ratios, or both, shallbe acceptable for engineered applications when mutuallyagreed upon by the customer and the manufacturer, if theflange adapter is manufac
38、tured from plastic compounds meet-ing the material requirements of this specification, and thestrength and design requirements are calculated on the samebasis as those use in this specification. For diameters not shownin Table 2, Table 3 or Table 4, the tolerance shall be the samepercentage as that
39、shown in the corresponding tables for thenext smaller listed size.TABLE 1 Property Values and Specification D3350 Cell Classification for MaterialsPropertyMaterials Designation CodePE2606 PE2706 PE2708APE3608APE3708 PE3710 PE4608 PE4708 PE4710AProperty ValuesHDB at 140F (60C) per ASTM D 2837 and PPI
40、 TR-3, psi (MPa) C C C C C C C C CHDS at 73F (23C) per ASTM D 2837 and PPI TR-3, psi (MPa) 630 (4.6) 630 (4.6) 800 (5.5) 800 (5.5) 800 (5.5) 1000 (6.9) 800 (5.5) 800 (5.5) 1000 (6.9)Specification D3350 Cell ClassificationBValuesDensity (natural base resin) 2 2 2 3 3 3 4 4 4Melt Index 3-4 3-4 3-4 4 4
41、 4 4 4 4Flexural Modulus 3-4 3-4 3-4 $4 $4 $4 $4 $4 $5Tensile Strength at Yield $3 $3 $3 $4 $4 $4 $4 $4 $4SCG Resistance 6 7 7 6 7 7 6 7 7Hydrostatic Strength Classification 3 3 3 4 4 4 4 4 4ColorandUVStabilizer CorE CorE CorE CorE CorE CorE CorE CorE CorEAHDB at 140F (60C) per ASTM D2837 and PPI TR
42、-3 at 140F required; contact manufacturer for listed value.BSpecification D3350 cell classification values reflect typical property values for numerous lots of the material and do not include variability in testing or manufacturingtolerances. Values for individual material lots can vary from typical
43、 values. Contact the manufacturer for information about variability in testing and material manufacturingtolerances.F2880 11a3TABLE 2 Minimum Neck Length, in. for IPS and DIPS Flange AdaptersNOTEMinimum Neck Length = Nominal Fusion Machine Clamp width + stop-protursion + 1 in. + Back Up RingNeck Len
44、gth may be longer; consult Flange Adapter manufacturer.Minimum Neck LengthNominal Pipe Size IPS DIPS DR 7 DR 9 DR 11 -DR 32.534 in. X 2.88 2.88 2.881 in X 3.75 3.75 3.75114 in. X 3.88 3.88 3.88112 in. X 4.00 4.00 4.002 in. X 4.25 4.25 4.253 in. X 4.50 4.50 4.504 in. X X 5.38 5.38 6.005 in. X 6.50 6.
45、50 6.506 in. X X 6.75 6.75 6.758 in. X X 6.50 613 6.1310 in. X X 6.50 6.13 6.1312 in. X X 7.38 7.38 7.7514 in. X X 8.13 7.75 7.7516in. X X 8.44 8.00 8.0018 in. X X 8.50 8.13 8.1320 in. X X 8.94 8.38 8.3822 in. X 9.03 8.63 8.6324 in. X X 9.50 8.69 8.6926 in. X 10.38 10.13 10.1328 in. X 10.63 10.25 10
46、.1330 in. X X 10.88 10.38 10.2532 in. X 11.13 10.88 10.7534 in. X 12.13 11.50 10.8836 in. X X 13.13 12.19 11.311000mm / 40 in. X * * 12.6342 in. X X * * 12.6348 in. X X * * 12.8854 in. X * * 20.131400mm /55 in. * * 20.5063 in. X * * 20.5065 in. X * * 21.50F2880 11a45.3 Neck Wall thickness The flange
47、 adapter manufacturermay provide extra wall thickness to compensate for PE pipetoe-in, out of round, and pipe over-wall. Wall thicknesstolerance above minimum wall as measured and calculatedaccording to Test Method D2122 in any diametrical crosssection of the pipe shall not exceed 17 percent. The fl
48、angeadapters minimum neck wall thickness measured at 73.4 63.6F (23 6 2C) shall conform to the applicable pipe stan-dards tabulated wall DR dimension, with a wall thicknesstolerance of - zero, + 17% 3 min. wall. The minimum wallthickness by pipe OD and sizing system (IPS and as uniform as commercial
49、ly practical incolor, opacity, density, and other physical properties. Surfacesshall be free from scratches, voids, blisters, and other imper-fections that may affect wall integrity or joining.6. Assurance Program6.1 GeneralThe manufacturer shall take sufficient mea-sures to check incoming materials and to produce flangeadapters that comply with the requirements of this standard.The actual tests and frequency at which each of these tests areconducted should be determined in the manufacturers qualitycontrol progra
