1、Designation: F 480 06bAn American National StandardStandard Specification forThermoplastic Well Casing Pipe and Couplings Made inStandard Dimension Ratios (SDR), SCH 40 and SCH 801This standard is issued under the fixed designation F 480; the number immediately following the designation indicates th
2、e 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 (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the De
3、partment of Defense.1. Scope1.1 This specification covers water well casing pipe andcouplings made from thermoplastic materials in standarddimension ratios (SDR), SCH 40 and SCH 80.1.2 Specifications are provided for the application of thesematerials to water well and ground water monitoring applica
4、-tions. Flush threaded joint systems are included for screen andcasing used primarily in the construction of ground watermonitoring wells (see Practice D 5092).1.3 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are providedfor information onl
5、y IEEE/ASTM SI 10).NOTE 1Certain field conditions may require alternative materials toensure safe long-term use. The user should consult federal, state, and localcodes governing the use of thermoplastic materials for well casing ormonitor pipe.NOTE 2This standard specifies dimensional, performance a
6、nd testrequirements for plumbing and fluid handling applications, but does notaddress venting of combustion gases.1.4 Although the pipe sizes and SDR values listed in thisspecification are generally available, numerous other plasticpipes in Schedule 40 and 80 wall, other SDR values andvarious outsid
7、e diameters have been used for well casing. Suchproducts are often selected because they fulfill certain needsand Annex A1 includes a list of these Plastic Pipe Well CasingSpecials.1.5 The following safety hazards caveat pertains only to thetest method portion, Section 6, of this specification: This
8、standard does not purport to address all of the safety concerns,if any, associated with 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
9、 ASTM Standards:2D 618 Practice for Conditioning Plastics for TestingD 638 Test Method for Tensile Properties of PlasticsD 653 Terminology Relating to Soil, Rock, and ContainedFluidsD 1527 Specification for Acrylonitrile-Butadiene-Styrene(ABS) Plastic Pipe, Schedules 40 and 80D 1600 Terminology for
10、Abbreviated Terms Relating toPlasticsD 1784 Specification for Rigid Poly(Vinyl Chloride) (PVC)Compounds and Chlorinated Poly(Vinyl Chloride)(CPVC) CompoundsD 1785 Specification for Poly(Vinyl Chloride) (PVC) Plas-tic Pipe, Schedules 40, 80, and 120D 1892 Specification for Styrene-Butadiene Molding a
11、ndExtrusion Materials3D 1898 Practice for Sampling of Plastics3D 2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD 2235 Specification for Solvent Cement for Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe and FittingsD 2241 Specification for Poly(Vinyl Chloride) (PV
12、C)Pressure-Rated Pipe (SDR Series)D 2282 Specification for Acrylonitrile-Butadiene-Styrene(ABS) Plastic Pipe (SDR-PR)D 2412 Test Method for Determination of External LoadingCharacteristics of Plastic Pipe by Parallel-Plate LoadingD 2444 Test Method for Determination of the Impact Re-sistance of Ther
13、moplastic Pipe and Fittings by Means of aTup (Falling Weight)D 2564 Specification for Solvent Cements for Poly(VinylChloride) (PVC) Plastic Piping Systems1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.
14、61 on Water.Current edition approved Aug. 1, 2006. Published August 2006. Originallyapproved in 1976. Last previous edition approved in 2006 as F 480 06a.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMS
15、tandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.D 2855 Practice for Making Solvent-Cemented Joints withPoly(Vinyl Chloride) (PVC)
16、 Pipe and FittingsD 3122 Specification for Solvent Cements for Styrene-Rubber (SR) Plastic Pipe and FittingsD 3965 Specification for Rigid Acrylonitrile-Butadiene-Styrene (ABS) Materials for Pipe and FittingsD 5092 Practice for Design and Installation of GroundWater Monitoring WellsF 402 Practice fo
17、r Safe Handling of Solvent Cements,Primers, and Cleaners Used for Joining Thermoplastic Pipeand FittingsF 412 Terminology Relating to Plastic Piping SystemsIEEE/ASTM SI 10 American National Standard for Use ofthe International System of Units (SI): The Modern MetricSystem2.2 ANSI Standards:B1.5 ACME
18、 Screw Threads4B1.8 Stub ACME Screw Threads4B1.9 Buttress Inch Screw Threads42.3 Federal Standard:FED-STD-123 Marking for Shipment (Civil Agencies)52.4 Military Standard:MIL-STD-129 Marking for Shipment and Storage62.5 Other Standards:Screw-Threads Standards for Federal Services 1957, Hand-book H28,
19、 Part III6NSF 14 Plastic Piping System Components and RelatedMaterialsNSF 61 Drinking Water System Components73. Terminology3.1 Definitions are in accordance with Terminology F 412and abbreviations are in accordance with Terminology D 1600,unless otherwise specified. The abbreviation for acrylonitri
20、le-butadiene-styrene plastic is ABS. The abbreviation for poly-(vinyl chloride) is PVC. The abbreviation for styrene-rubber isSR.3.2 Ground water investigation terms are in accordance withTerminology D 653.4. Classification4.1 Well casing is produced in either plain end, belled end,or threaded, and
21、is used for water wells, ground watermonitoring, leak detection, recovery systems, dewatering sys-tems, and waste disposal.5. Materials and Manufacture5.1 SpecificationThe material described shall meet orexceed the requirements of (1) Specification D 3965 for ABSwith a cell classification of 44322 o
22、r 33333, (2) SpecificationD 1784 for PVC with a cell classification of 12454 or 14333,or (3) Specification D 1892 for SR with a cell classification of4434A.The material so described shall be approved for potablewater.NOTE 3Caution should be exercised to control heat of hydrationduring grouting as th
23、ermoplastic materials are heat sensitive.Acceleratorstend to increase the heat of hydration and are not recommended.5.2 Acrylonitrile-butadiene-styrene (ABS) well casing pipeand couplings plastic shall be virgin plastic produced by theoriginal compounder (see Specification D 1527). The mini-mum buta
24、diene content is 6 %; the minimum acrylonitrilecontent is 15 %; the minimum styrene or substituted styrenecontent, or both, is 15 %; and the maximum content of othermonomers is 5 % and lubricants, stabilizers, and colorants.5.3 Poly(vinyl chloride) (PVC) well casing pipe and cou-plings plastic shall
25、 be made of virgin plastic produced by theoriginal compounder. It shall contain poly(vinyl chloride)homopolymer, and such additivesstabilizers, lubricants, pro-cessing aids, impact improvers, and colorantsas needed toprovide the required processing and toughness characteristics(see Test Method D 638
26、).5.4 The SR plastics compound shall contain at least 50 %styrene plastics, combined with rubbers to a minimum rubbercontent of 5 %, and compounding materials such as antioxi-dants and lubricants, and may contain up to 15 % acrylonitrilecombined in the styrene plastics or rubbers, or both. Therubber
27、s shall be of the poly-butadiene or butadiene-styrenetype, or both, with a maximum styrene content of 25 % ornitrile type, or both. The combined styrene plastics and rubbercontent shall be not less than 90 %.5.5 Rework MaterialClean rework material generatedfrom the manufacturers own well casing pip
28、e and couplingsproduction may be used by the same manufacturer, providedthe well casing pipe and couplings produced meet all therequirements of this specification.5.6 Solvent Cement:5.6.1 SpecificationThe solvent cement shall meet therequirements of Specification D 2235 for ABS, SpecificationD 2564
29、for PVC, or Specification D 3122 for SR (see Supple-mentary Requirements S3).6. Requirements6.1 WorkmanshipThe pipe shall be homogeneousthroughout and essentially uniform in color, opacity, density,and other properties. The inside and outside surfaces shall besemi-matte or glossy in appearance (depe
30、nding on the type ofplastic) and free of chalking, sticky, or tacky material. Thesurfaces shall be free of excessive bloom, that is, slight bloomis acceptable. The pipe walls shall be free of cracks, holes,blisters, voids, foreign inclusion, or other defects that arevisible to the naked eye and that
31、 may affect the wall integrity.Machined slots or holes deliberately placed in pipe are accept-able. Bloom or chalking may develop in pipe exposed to directrays of the sun (ultraviolet radiant energy) for extendedperiods, and consequently these requirements do not apply topipe after extended exposure
32、 to direct rays of the sun.6.1.1 Ground Water InvestigationsPipe manufactured intoproducts used in ground water investigations should have4Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036. Sponsored the American Society of MechanicalEngineers
33、(ASME),ASME International Headquarters, Three ParkAve., New York,NY 10016-5990.5Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094.6Available from the Superintendent of Documents, Washington, DC.7NSF International, PO Box 130140, Ann
34、Arbor, MI 481130140.F 480 06b2surfaces that are visually free of oils, grease, dust, and marksimparted as a result of the manufacturing process.6.2 Well Casing Pipe:6.2.1 DimensionsThe outside diameter and wall thicknessof the well casing pipe shall meet the requirements given inTable 1 or Table 2 w
35、hen measured in accordance with TestMethod D 2122. (See Specification D 2282.)6.2.2 Wall Thickness EccentricityThe wall thickness ec-centricity of the pipe shall be within 12 %.6.2.3 LengthThe well casing pipe shall be in either 10- or20-ft (3.05- or 6.10-m) lengths, unless otherwise specified. Thea
36、llowable tolerance on length shall be +12 , 0 in. (+13, 0mm) when measured in accordance with Test Method D 2122.6.2.4 Flush Joint Threaded LengthIf specified by themanufacturer or purchaser, the assembled length of flushthreaded casing or screen shall be a nominal length such as 5,10, or 20 ft. Any
37、 given laying length the purchaser specifieswill constitute an assembled length. The allowable toleranceshall be +12 ,18 in. (+13, 3 mm) on the components of theassembled laying length. The overall length of all flushthreaded screen and casing shall be the nominal or specifiedlaying length plus the
38、length of the exposed male thread (pin).NOTE 4The purchaser should specify whether the length is to be thelaying length or the overall length. The term “laying length” refers to theoverall length less the length required to complete the assembly.6.3 Well Casing Pipe Couplings:6.3.1 Socket Dimensions
39、The socket dimensions of cou-plings shall conform to the requirements given in Table 3 andTable 4 when measured in accordance with Test MethodD 2122.6.3.2 Bell Socket DimensionsThe socket dimensions ofwell casing pipe bell couplings shall be as shown in Table 5when measured in accordance with Test M
40、ethod D 2122.6.3.3 Bell Socket Wall ThicknessThe wall thickness of anintegral bell shall be considered satisfactory if formed frompipe that meets the requirements of this specification.6.3.4 Laying Length DimensionsThe laying length di-mensions of well casing pipe couplings shall conform to therequi
41、rements given in Table 3, Table 4, and Table 5 whenmeasured in accordance with Test Method D 2122.6.3.5 Socket Concentricity or Alignment The maximummisalignment of axis of couplings with the pipe measured inthe plane of the coupling face shall not exceed34 in./20 ft (3mm/1 m) of projected axis when
42、 measured in accordance with7.4.6.4 Pipe Stiffness and Flattening:6.4.1 Well Casing PipeThe well casing pipe shall have apipe stiffness at 5 % deflection equal to that shown in Table 6and Table 7 and shall deflect 60 % of the original diameter(flattening) without cracking, rupture, or other visible
43、evidenceof failure when tested in accordance with Test Method D 2412.Three specimens shall be tested and all shall pass.NOTE 5This test is intended for use as a quality control test, not as asimulated service test.6.4.2 Couplings and Bells shall meet all the designateddimensional requirements of Tab
44、le 3, Table 4,orTable 5.Molded couplings shall have a pipe stiffness at 5 % deflectionequal to that shown in Table 6 and Table 7 and shall deflect15 % without cracking, rupture, or other visible evidence offailure when tested in accordance with Test Method D 2412.Three specimens shall be tested and
45、all shall pass.6.5 Impact Resistance ClassificationThe impact resis-tance classification (IC) value for well casing pipe shall beselected from Table 8 by the manufacturer based on themeasured average impact values determined in accordancewith 7.5.6.6 Tup Puncture ResistanceThe well casing pipe andwe
46、ll casing couplings shall deflect 30 % (puncture resistance)without cracking, rupture, or other visible evidence of failurewhen tested in accordance with 7.6 (Note 7). Three specimensshall be tested and all shall pass.6.7 ThreadsWell casing, screens, and couplings havingthreads shall have either Ame
47、rican Standard ACME 2G screwthreads, American Standard Stub ACME 2G screw threads, orButtress screw threads, Class 2, or square form flush jointthreads, in accordance with ANSI B1.5 for ACME 2G screwthreads, ANSI B1.8 for Stub ACME 2G screw threads, andANSI B1.9 for Buttress screw threads. Examples
48、of acceptablesquare form flush joint thread patterns for monitoring wellconstruction are included in the annex.6.7.1 All ACME, Stub ACME, and Buttress screw threadsshall be gaged in accordance with 7.7.6.7.2 Machining flush joint square threads directly into thewall of the pipe may cause difficulty
49、in measuring the threaddimensions when the pipe is removed from the threadingdevice. The inherent out-of-round condition of the pipe willcause the thread dimensions to conform to the irregularities ofthe pipe. Measurements must be taken at many points andaveraged. Alternatively gages of metal or other rigid materialmay be used when gage dimensions or methods are available.6.7.3 Thread Out-of-RoundnessOut of roundness forthreaded dimensions on Schedule 40 and Schedule 80 threads,described in the annex must conform to the “Out-of-RoundnessMaximum Dia
