1、Designation: F2880 11aF2880 14 An American National StandardStandard Specification forLap-Joint Type Flange Adapters for Polyethylene PressurePipe in Nominal Pipe Sizes 34 in. to 65 in.1This standard is issued under the fixed designation F2880; the number immediately following the designation indica
2、tes the year 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 t
3、hroughout, and the year date was changed on July 22, 2011.1. Scope Scope*1.1 This specification covers the polyethylene material and dimensions applicable to flange adapters (FAs) used to connectpolyethylene pipes to other flanged pipe and components such as valves and flanged fittings. This standar
4、d describes outsidediameter controlled polyethylene (PE) pipe flange adapters (FAs) in diameters ranging from 34 in. through 65 in. (12 mm through1600 mm). The flange adapters may be manufactured by various methods including injection molding, compression molding, andmachining from billet or thick-w
5、all polyethylene pipe.1.2 The flange adapter (FA) is the principal component of the lap-joint flanged assembly widely used for several decades inlow-pressure to high-pressure polyethylene pipe systems for all types of pressurized flow (gas and liquid) applications. The flangeadapters physical shape
6、consists of the pipe-like Neck which is monolithic with its Hub. The Neck is intended to be butt-fusedor fusion coupled to the pipe-line; while the Hub face is intended to affect the seal when subjected to the distributed load fromthe back up ring with its properly torqued bolt-studs and nuts.NOTE 1
7、Polyethylene pipe flange adapters with slip on bolt rings are intended for use being bolted to each other or to be bolted to metal flanges having(primarily) Class 150 bolt hole patterns such as those presented in metal flange standards ASME B16.5, ASME B16.47 and AWWA C207.1.3 The values stated in i
8、nch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.4 The use of gaskets and gasket selection are often an integral component of the flange adapter assembly. S
9、ee the Plastic PipeInstitute Technical Note TN-38 for more information regarding HDPE flanged joints.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and hea
10、lth practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D2122 Test Method for Determining Dimensions of Thermoplastic Pipe and FittingsD2513 Specification for Polyethylene (PE) Gas Pressure Pipe, Tubing, and FittingsD2837 Test Me
11、thod for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis forThermoplastic Pipe ProductsD3035 Specification for Polyethylene (PE) Plastic Pipe (DR-PR) Based on Controlled Outside DiameterD3261 Specification for Butt Heat Fusion Polyethylene (PE) Plastic Fi
12、ttings for Polyethylene (PE) Plastic Pipe and TubingD3350 Specification for Polyethylene Plastics Pipe and Fittings MaterialsF714 Specification for Polyethylene (PE) Plastic Pipe (DR-PR) Based on Outside DiameterF2206 Specification for Fabricated Fittings of Butt-Fused Polyethylene (PE) Plastic Pipe
13、, Fittings, Sheet Stock, Plate Stock, orBlock StockF3034 Specification for Billets made by Winding Molten Extruded Stress-Rated High Density Polyethylene (HDPE)1 This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommit
14、tee F17.10 on Fittings.Current edition approved July 22, 2011May 1, 2014. Published July 2011June 2014. Originally approved in 2011. Last previous edition approved in 2011 asF288011.11a. DOI: 10.1520/F2880-11A.10.1520/F2880-14.2 For referencedASTM standards, visit theASTM website, www.astm.org, or c
15、ontactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have
16、been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official docum
17、ent.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States12.2 ASME Standards:3B16.5 “Pipe Flanges and Flanged Fittings”B16.47 “Large Diameter Steel Flanges: NPS 26 through NPS
18、 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 forWaterworks Service, Sizes 4 In.Through 144 In. (100 mmThrough 3,600 mm) ; Class#150 /Series B, D the outside diameter (OD) of plastic pipe th
19、at matches the nominal standard diameters ofmetal ductile iron, or, cast-iron pipes; also commonly referred to as DIOD, Ductile Iron Outside Diameter, previously known asCIOD or cast-iron OD.3 Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park
20、 Ave., New York, NY 10016-5990, http:/www.asme.org.4 Available from American Water Works Association (AWWA), 6666 W. Quincy Ave., Denver, CO 80235, http:/www.awwa.org.5 Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., Ann Arbor, MI 48113-0140, http:/www.nsf.org.6 Available from
21、 Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825, Irving, TX 75062, http:/www.plasticpipe.org.FIG. 1 Polyethylene Flange Adapter GeometryF2880 1423.1.4 flange adapterOne component of the two piece lap-joint flange assembly; It is a one piece polyethylene device whosegeometry consists of t
22、wo shapes: the wide, circular, seal-face disk, with central hole, which transitions along its length into pipeof smaller diameter and wall thickness, matched to the pipe-main to which it is to be joined. (Refer to Fig. 1).3.1.5 HubThe disk ring, or collar, extending radially outward from the pipe OD
23、 at the pipe termination.3.1.6 Hydrostatic design stress (HDS)The maximum allowable hoop stress in the pipe wall for pipe that is subjected tosustained long-term hydrostatic pressure. The hydrostatic design stress is determined by multiplying the hydrostatic design basisby the PPI recommended design
24、 factor for water service. HDS ratings for PE materials are published by PPI in TR-4.3.1.7 IPSIron Pipe Size (steel pipe) outside diameters; replaced with nominal pipe sizes (NPS) per as listed with the plasticpipe standards and B36.10M and B36.19M.3.1.8 lap-joint flange ringthe loose metal ring tha
25、t transfers the load from the bolts through the hub to the seal face.3.1.9 neckThe long barrel of the flange adapter with OD and wall thickness matched to the pipeline dimensions. The necklength must be sufficient for fusion joining in the fusion machine used.3.1.10 seal faceThe front of the Hub, wh
26、ich contacts the mating flange, which radially confines fluid pressure by compressivestress when subjected to distributed load from torqued bolts.3.1.11 residual sealing stressThe long-term compressive stress intensity from the load distributed over the seal face areawhich is in contact with a matin
27、g flange.3.1.12 pressure rating (PR)maximum sustained internal water pressure at 80F (27C) and lower service temperature withspecified maximum allowances for pressure surges.PR523HDS3FTDR21! (1)where:HDS = hydrostatic design stress for water at 73F, psi (kPa)FT = temperature factor (1.00 for 80F (27
28、C) and lower water service temperature)DR = dimension ratio. Surge pressure allowances are applied above the sustained internal pressure and are integral to theworking pressure rating.4. Polyethylene Materials for Flange4.1 GeneralTable 1 contains the list of polyethylene materials that are acceptab
29、le for use in manufacture of the flangeadapters. Usually, the flange adapter material has the same material designation as the specified polyethylene pipeline material, forthe purpose of chemical resistance and heat-fusion joining. Commercial virgin PE material compounds shall meet Table 1 physicalp
30、roperties, Specification D3350 requirements and shall be classified per Specification D3350 as shown in Table 1. The PE materialcompound shall have HDB ratings at 73F (23C) and at 140F (60C) and HDS ratings at 73F (23C) determined in accordancewith Test Method D2837 and PPI TR-3.4.2 ColorThe PE mate
31、rial in the pipe shall contain color and ultraviolet (UV) stabilizer meeting the requirements of Code Cor E per Specification D3350. Code C material shall contain between 2 to 3 percent carbon black by weight.4.3 ReworkClean rework pipe-grade polyethylene material derived from pipe and or fittings p
32、roduction by the samemanufacturer are acceptable as part of a blend with virgin material for the production of flange adapters provided that (a) the cellTABLE 1 Property Values and Specification D3350 Cell Classification for MaterialsProperty Materials Designation CodePE2606 PE2706 PE2708A PE3608A P
33、E3708 PE3710 PE4608 PE4708 PE4710AProperty ValuesHDB at 140F (60C) per ASTM D 2837 and PPI 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 Classifica
34、tionB ValuesDensity (natural base resin) 2 2 2 3 3 3 4 4 4Melt Index 3-4 3-4 3-4 4 4 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 4Color and UV Stabilizer C
35、 or E C or E C or E C or E C or E C or E C or E C or E C or EAHDB at 140F (60C) per ASTM D2837 and PPI TR-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 var
36、iability in testing or manufacturingtolerances. Values for individual material lots can vary from typical values. Contact the manufacturer for information about variability in testing and material manufacturingtolerances.F2880 143classification or materials designation code of the rework material is
37、 the same as the virgin material compound to which it is added,and (b) the rework materials complied with applicable requirements as virgin materials.4.4 Potable WaterMaterials used for products intended for use in the transport of potable water shall be evaluated and certifiedas safe for this purpo
38、se by a testing agency acceptable to the local health authority. The evaluation shall be in accordance withrequirements for chemical extraction, taste, and odor that are no less restrictive than those included in NSF/ANSI Standard No.14 or NSF/ANSI Standard No. 61. The seal or mark of the laboratory
39、 making the evaluation should be included on the piping per7.1.3.7.5. Flange Adaptor Dimensions and Working Pressure Ratings5.1 GeneralThis standard describes 10 dimension ratios (DRs) for nominal flange adapter sizes ranging from 34 in. through65 in. (12 mm through 1 600 mm). Flange adapter outside
40、 diameters (ODs) conform to the outside diameter dimensions of ironpipe sizes (IPS), or to equivalent outside diameters for ductile-iron (DI) pipe (DIPS). Polyethylene flange adapters are classifiedby dimension ratios (DRs) ranging from 7.0 to 32.5. The resultant combinations of PE material designat
41、ions and DRs defineflange adapters with pressure ratings ranging from 40 to 333 psig (276 to 2 299 kPa) when conveying water at 80F (27C) andlower temperatures. Use at temperatures above 80F (27C) up to 140F (60C) is acceptable at pressure ratings that areappropriately reduced for the service temper
42、ature.5.2 Outside diametersThe neck Outside Diameter (OD) of the flange adapter measured at 73.4 6 3.6F (23 6 2C) shallconform to the applicable OD dimension requirements specified in the related polyethylene pipe standards : Specifications F714,D2513, D3035, and AWWA C901 and C906. Measurements sha
43、ll be made according to the methods specified in Test MethodD2122.The tolerance on outside diameter shall not exceed60.45 percent of the average outside diameter, as presented in the tablesfor NPS 4-in. and larger.5.2.1 Special SizesWhere existing system conditions or special local requirement make
44、other diameters or dimension ratiosnecessary, other sizes or dimension ratios, or both, shall be acceptable for engineered applications when mutually agreed upon bythe customer and the manufacturer, if the flange adapter is manufactured from plastic compounds meeting the materialrequirements of this
45、 specification, and the strength and design requirements are calculated on the same basis as those use in thisspecification. For diameters not shown in Table 2, Table 3 or Table 4, the tolerance shall be the same percentage as that shownin the corresponding tables for the next smaller listed size.TA
46、BLE 2 Minimum Neck Length, in. for IPS and DIPS Flange AdaptersNOTE 1Minimum Neck Length = Nominal Fusion Machine Clamp width + stop-protursion + 1 in. + Back Up RingNeck Length may be longer; consult Flange Adapter manufacturer.Minimum Neck LengthNominal Pipe Size IPS DIPS DR 7 DR 9 DR 11 -DR 32.53
47、4 in. X 2.88 2.88 2.881 in X 3.75 3.75 3.751 14 in. X 3.88 3.88 3.881 12 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 6.50 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
48、 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 10.1330 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 i
49、n. 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 1445.3 Neck Wall thicknessThe flange adapter manufacturer may provide extra wall thickness to compensate for PE pipe toe-in,out of round, and pipe over-wall. Wall thickness tolerance above minimum wall as measured and calculated according to TestMethod D2122 in any diametrical cross section of the pipe shall not exceed 17 percent. The flange adapters minimum neck wallthickness me
