1、Designation: F 1733 96 (Reapproved 2002)An American National StandardStandard Specification forButt Heat Fusion Polyamide(PA) Plastic Fitting forPolyamide(PA) Plastic Pipe and Tubing1This standard is issued under the fixed designation F 1733; the number immediately following the designation indicate
2、s 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 (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers polyamide (PA) butt
3、 fusionfittings for use with polyamide pipe (IPS and ISO) and tubing(CTS). Included are requirements for materials, workmanship,dimensions, marking, sustained pressure, and burst pressure.1.2 The values given in parentheses are provided for infor-mation only.1.3 This standard does not purport to add
4、ress 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-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:D 1598 Test Me
5、thod for Time-to-Failure of Plastic PipeUnder Constant Internal Pressure2D 1599 Test Method for Resistance to Short-Time Hydrau-lic Pressure of Plastic Pipe, Tubing, and Fittings2D 1600 Terminology for Abbreviated Terms Relating toPlastics3D 2122 Test Method for Determining Dimensions of Ther-moplas
6、tic Pipe and Fittings2D 2513 Specification for Thermoplastic Gas Pressure Pipe,Tubing, and Fittings2D 4066 Classification System for Nylon Injection and Ex-trusion Materials (PA)4F 412 Terminology Relating to Plastic Piping Systems22.2 Federal Standard:Fed. Std. No. 123 Marking for Shipment (Civil A
7、gencies)52.3 Military Standard:MIL-STD-129 Marking for Shipment and Storage52.4 National Sanitation Foundation Standard:Standard No. 14 for Plastic Piping Components and RelatedMaterials63. Terminology3.1 Definitions are in accordance with Terminology F 412and abbreviations are in accordance with Te
8、rminology D 1600,unless otherwise specified.3.2 dimension ratio (DR) for thermoplastic pipethe ratioof diameter to wall thickness. For this specification it iscalculated by dividing the specified outside diameter by thespecified wall thickness of the fitting at its area of fusion. DRsare rounded and
9、 do not calculate exactly.4. Classification4.1 GeneralThis specification covers butt fusion fittingsintended for use with polyamide pipe and tubing.4.1.1 Fittings covered by this specification are normallymolded. Fittings may be machined from extruded or moldedstock.4.1.2 Fittings fabricated by ther
10、mal welding are not in-cluded in this specification.4.1.3 Fittings intended for use in the distribution of naturalgas or petroleum fuels shall also meet the requirements ofSpecification D 2513.5. Ordering Information5.1 When ordering fittings under this specification, thefollowing should be specifie
11、d:5.1.1 Polyamide compound (material designation or tradename)5.1.2 Style of fitting (tee, 90 ell, and the like)5.1.3 Size:5.1.3.1 Nominal diameter.5.1.3.2 CTS, IPS, or schedule.5.1.3.3 Dimension ratio number or schedule number.1This specification is under the jurisdiction of ASTM Committee F17 on P
12、lasticPiping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved Sept. 10, 1996. Published November 1996.2Annual Book of ASTM Standards, Vol 08.04.3Annual Book of ASTM Standards, Vol 08.01.4Annual Book of ASTM Standards, Vol 08.02.5Available from Stan
13、dardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.6Available from the National Sanitation Foundation, P.O. Box 1468, Ann Arbor,MI 48106.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, Un
14、ited States.6. Materials6.1 Basic MaterialsThis specification covers fittingsmade from polyamide plastics as defined in SpecificationD 4066.NOTE 1The PA plastic fittings intended for use in the transport ofpotable water should be evaluated and certified as safe for this purpose bya testing agency ac
15、ceptable to the local health authority. The evaluationshould be in accordance with requirements for chemical extraction, taste,and odor, that are no less restrictive than those included in NationalSanitation Foundation (NSF) Standard 14. The seal or mark of thelaboratory making the evaluation should
16、 be included on the pipe andtubing.6.2 CompoundsThe polyamide fittings compounds shallmeet the requirements for Group 3, Class 2, and Grade 3, asprescribed in Specification D 4066.6.3 Rework MaterialClean rework material generatedfrom the manufacturers own production may be used by thesame manufactu
17、rer as long as the fittings produced conform tothe requirements of this specification.7. Requirements Requirements7.1 Dimensions and Tolerances:7.1.1 Outside DiameterNominal outside diameters of buttfusion fittings shall conform to the nominal iron pipe size (IPS)or copper tubing size (CTS) dimensio
18、ns at area of fusion.These dimensions and tolerances shall be as shown in Table 1,Table 2, and Table 3of this specification.7.1.2 Inside Diameter (CTS Fittings Only)Inside diam-eters of butt fusion fittings for tubing at area of fusion shallconform to the dimensions of the tubing being joined. Thedi
19、mensions and tolerances for the fittings are shown in Table 3.7.1.3 Wall ThicknessThe wall thicknesses of butt fusionfittings shall not be less than the minimum specified for thepipe or tubing. The wall thicknesses and tolerances at the areaof fusion shall be as shown in Table 3, Table 4, and Table
20、5 ofthis specification.7.1.4 MeasurementsThese shall be made in accordancewith Test Method D 2122 for roundable pipe.7.1.5 Design DimensionsOverall fitting dimensions maybe as preferred from a design standpoint by the manufacturerand accepted by the purchaser consistent with 7.1.3.7.2 Pressure Test
21、Requirements:7.2.1 Short-Term Rupture Strength for Fittings12 to 12 in.and 90 to 315 mm, Nominal DiameterThe minimum short-term rupture strength of the fitting and fused pipe or tubingshall not be less than the minimum short-term rupture strengthof the pipe or tubing in the system when tested in acc
22、ordancewith 10.5.3. These minimum pressures shall be as shown inTable 6 of this specification. Test specimens shall be preparedfor testing in the manner described in 10.5.1 of this specifica-tion. The test equipment, procedures, and failures definitionsshall be as specified in Test Method D 1599.7.2
23、.2 Short-Term Strength for Fittings 14 to 48 in. and 355to 1600 mm, Nominal DiameterFittings shall not fail whentested in accordance with 10.5.3. The minimum pressure shallbe as shown in Table 6 of this specification. Test specimensshall be prepared for testing in the manner described in 10.2 ofthis
24、 specification. The test equipment and procedures shall beas specified in Test Method D 1599.7.2.3 Sustained PressureThe fitting and fused pipe ortubing shall not fail, as defined in Test Method D 1598, whentested at the time, pressures, and test temperatures selectedfrom test options offered in Tab
25、le 7. The test specimens shall beprepared for testing in the manner prescribed in 10.5.1.8. Workmanship, Finish, and Appearance8.1 The manufacture of these fittings shall be in accordancewith good commercial practice so as to produce fittingsmeeting the requirements of this specification. Fittings s
26、hall behomogeneous throughout and free of cracks, holes, foreignTABLE 1 IPS Sizing System Outside Diameters and Tolerancesfor Fittings for Use with Polyamide Pipe, in.Nominal PipeSizeAverage Outside Diameterat Area of FusionATolerance12340.8401.05060.00860.0081 1.315 60.010114 1.660 60.010112 1.900
27、60.0102 2.375 60.0103 3.500 60.0124 4.500 60.0156 6.625 60.0188 8.625 60.02510 10.750 60.02712 12.750 60.03614 14.000 60.06316 16.000 60.07218 18.000 60.08120 20.000 60.09021.5 21.500 60.09722 22.000 60.09924 24.000 60.10828 28.000 60.12632 32.000 60.14436 36.000 60.16242 42.000 60.18948 48.000 60.2
28、16ADefined as measured14 in. (6.4 mm) from fitting outlet extremity.TABLE 2 ISO Sizing System (ISO 161/1) Outside Diameters andTolerances for Fit for Use with Polyamide Pipe, mmNominal PipeSizeAverage Outside Diameter at Area of FusionMin MaxA90 90.0 90.8110 110.0 111.0160 160.0 161.4200 200.0 201.8
29、250 250.0 252.3280 280.0 282.5315 315.0 317.8355 355.0 358.2400 400.0 403.6450 450.0 454.1500 500.0 504.5560 560.0 565.0630 630.0 635.7710 710.0 716.4800 800.0 807.2900 900.0 908.11000 1000.0 1009.01200 1200.0 1210.81400 1400.0 1412.61600 1600.0 1614.4ASpecified in ISO 3607.F 1733 96 (2002)2inclusio
30、ns, or other injurious defects. The fittings shall be asuniform as commercially practicable in color, opacity, density,and other physical properties.9. Sampling9.1 Parts made for sale under this specification should besampled at a frequency appropriate for the end use intended.When the fittings are
31、to be installed under a system specifica-tion (such as Specification D 2513 for gas), the minimumrequirements of that specification must be satisfied.10. Test Methods10.1 GeneralThe test methods in this specification coverfittings to be used with pipe and tubing for gas, water, and otherengineered p
32、iping systems. Test methods that are applicablefrom other specifications will be referenced in the paragraphpertaining to the particular test. Certain special test methodsapplicable to this specification only are explained in theappropriate paragraph.10.2 ConditioningUnless otherwise specified, cond
33、itionthe specimens prior to test at 73.4 6 3.6F (23 6 2C) for notless than6hinair,or1hinwater, for those tests whereconditioning is required and in all cases of disagreement.Newly molded fittings shall be conditioned 40 h prior to test.10.3 Test ConditionsConduct the tests at the standardlaboratory
34、temperature of 73.4 6 3.6F (23 6 2C) unlessotherwise specified.10.4 Dimensions and Tolerances:10.4.1 Outside DiameterMeasure the outside diameterof the fittings at the area of fusion in accordance with the WallThickness section of Test Method D 2122 by use of a circum-ferential tape readable to the
35、nearest 0.001 in. (0.02 mm).TABLE 3 Diameter, Wall Thickness, and Tolerances for Fittings for Use with Polyamide TubingTubing Type,in. (mm)Nominal TubingSize, in.Diameter at Area of FusionAMinimum WallThickness, in. (mm)Outside, in. (mm) Inside, in. (mm)Average Tolerance Average Tolerance0.062 (1.57
36、)12 CTS34 CTS0.625 (15.88)0.875 (22.22)60.010 (60.26)60.010 (60.26)0.495 (12.58)0.745 (18.92)60.004 (60.10).0.062 (1.58).0.090 (2.29)12 CTS 0.625 (15.88) 60.010 (60.26) 0.437 (11.10) 60.004 (60.10) 0.090 (2.28)34 CTS 0.875 (22.22) 60.010 (60.26) 0.687 (17.44) 60.004 (60.10) 0.090 (2.28)1 CTS 1.125 (
37、28.58) 60.013 (60.34) 0.937 (23.80) 60.005 (60.12) 0.090 (2.28)114 CTS 1.375 (34.92) 60.013 (60.34) 1.187 (30.14) 60.005 (60.12) 0.090 (2.28)DR 1134 CTS1 CTS114 CTS0.875 (22.22)1.125 (28.58)1.375 (34.92)60.010 (60.26)60.013 (60.34)60.013 (60.34)0.715 (18.16)0.915 (23.24)1.125 (28.58)60.004 (60.10)60
38、.005 (60.12)60.005 (60.12)0.077 (1.96)0.101 (2.56)0.121 (3.08)DR 9.312 CTS 0.625 (15.88) 60.010 (60.26) 0.483 (12.26) 60.004 (60.10) 0.067 (1.70)34 CTS 0.875 (22.22) 60.010 (60.26) 0.679 (17.24) 60.004 (60.10) 0.094 (2.38)1 CTS 1.125 (28.58) 60.013 (60.34) 0.873 (22.18) 60.005 (60.12) 0.121 (3.08)11
39、4 CTS 1.375 (34.92) 60.013 (60.34) 1.069 (27.16) 60.005 (60.12) 0.148 (3.76)ADefined as measured14 in. (6.4 mm) from fitting outlet extremity.TABLE 4 IPS Sizing System Wall Thickness and Tolerance at the Area of Fusion for Fittings for Use with Polyamide Pipe, in.A,B,CNominal PipeSizeMinimum Wall Th
40、icknessSCH 40 SCH 80 SDR 21 SDR 17 SDR 13.5 DR 10 DR 11.5 SDR 11 DR 9.3 SDR 912 0.109 0.147 . . . . . . . . . . . . . . . 0.076 0.090 . . .34 0.113 0.154 . . . . . 0.095 0.113 0.1171 0.133 0.179 . . . . . . . . . . . . . . . 0.119 0.142 0.146114 0.140 0.191 . . . . . . . . . 0.166 . . . 0.151 0.179
41、0.184112 0.145 0.200 . . . . . . . . . . . . . . . 0.173 0.204 0.2112 0.154 0.218 . . . . . . . . . . . . . . . 0.216 0.256 0.2643 0.216 0.300 . . . . . . 0.259 . . . 0.305 0.318 0.377 0.3894 0.237 0.337 . . . 0.264 0.333 . . . 0.392 0.409 0.484 0.5006 0.280 0.432 0.316 0.390 0.491 . . . 0.576 0.603
42、 0.713 0.7368 0.322 . . . 0.410 0.508 0.639 . . . 0.750 0.785 0.928 0.95810 0.365 . . . 0.511 0.633 0.797 . . . 0.935 0.978 1.156 1.19412 0.406 . . . 0.608 0.750 0.945 . . . 1.109 1.160 1.371 1.41714 . . . . . . 0.667 0.824 . . . . . . . . . 1.273 1.505 1.55616 . . . . . . 0.762 0.941 . . . . . . .
43、. . 1.455 1.720 1.77818 . . . . . . 0.857 1.059 . . . . . . . . . 1.636 1.935 2.00020 . . . . . . 0.952 1.176 . . . . . . . . . 1.818 2.151 2.22221.5 . . 1.024 1.265 . . . . . .22 . . . . . . 1.048 1.294 . . . . . . . . . 2.000 2.366 2.44424 . . . . . . 1.143 1.412 . . . . . . . . . 2.182 2.581 . .
44、.28 . . 1.333 1.647 . . . 2.545 . .32 . . 1.524 1.882 . . . 2.909 . .36 . . 1.714 2.118 . . . . . .42 . . 2.000 2.471 . . . . . .48 . . 2.286 . . . . . . .ATolerance +20 %, 0 %.BFor those SDR groups having overlapping thickness requirements, a manufacturer may represent their product as applying to
45、the combination (for example, 11.0/11.5)so long as their product falls within the dimensional requirements of both DRs.CFor wall thicknesses not listed the minimum wall thickness may be calculated by the average outside diameter/SDR rounded up to the nearest 0.001 in.F 1733 96 (2002)310.4.2 Inside D
46、iameter (CTS Fittings Only)Use a steppedplug gage to determine the inside diameter of the CTS end ofthe fitting. The plug gage shall be of the go/no go type and shallhave12-in. (12.7-mm) land lengths cut to the minimum insidediameter and maximum inside diameter. A fitting is unaccept-able (no go) if
47、 it fits snugly on the minimum inside diameterland of the gage or if it fits loosely on the maximum diameterland of the gage.10.4.3 Wall ThicknessMake a series of measurementsusing a cylindrical anvil tubular micrometer or other accuratedevice at closely spaced intervals to ensure that minimum andma
48、ximum wall thicknesses to the nearest 0.001 in. (0.02 mm)have been determined. Make a minimum of six measurementsat each cross section.10.5 Pressure Testing:10.5.1 Preparation of Specimens for Pressure TestingPrepare test specimens in such a manner that each, whetherindividual fittings or groups of
49、fittings, is a system incorporat-ing at least one length of pipe or tubing. Fuse all fitting outletswith the appropriate size pipe or tubing. At least one piece ofpipe or tubing in the system shall have a minimum length equalto five pipe diameters.10.5.2 Sustained Pressure Test:10.5.2.1 Select the test temperature and pressures from oneof the options offered in Table 7.10.5.2.2 Select the test specimens at random and conditionat the selected option test temperature. Test the fitting speci-mens with water, in accordance with Test Method
