1、Designation: F 1733 07An 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 indicates the year oforigi
2、nal 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 fusionfittings fo
3、r 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 stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversio
4、ns to SI units that are provided for information onlyand are not considered standard.1.3 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 an
5、d determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D 1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD 1599 Test Method for Resistance to Short-Time Hydrau-lic Pressure of Plastic Pipe, Tubing, and Fitt
6、ingsD 1600 Terminology for Abbreviated Terms Relating toPlasticsD 2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD 2513 Specification for Thermoplastic Gas Pressure Pipe,Tubing, and FittingsD 4066 Classification System for Nylon Injection and Ex-trusion Materials (PA)
7、F 412 Terminology Relating to Plastic Piping Systems2.2 Federal Standard:Fed. Std. No. 123 Marking for Shipment (Civil Agencies)32.3 Military Standard:MIL-STD-129 Marking for Shipment and Storage32.4 National Sanitation Foundation Standard:Standard No. 14 for Plastic Piping Components and RelatedMat
8、erials43. Terminology3.1 Definitions are in accordance with Terminology F 412and abbreviations are in accordance with Terminology D 1600,unless otherwise specified.3.2 dimension ratio (DR) for thermoplastic pipethe ratioof diameter to wall thickness. For this specification it iscalculated by dividin
9、g the specified outside diameter by thespecified wall thickness of the fitting at its area of fusion. DRsare rounded and 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 s
10、pecification are normallymolded. Fittings may be machined from extruded or moldedstock.4.1.2 Fittings fabricated by thermal 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 ofSpecific
11、ation D 2513.5. Ordering Information5.1 When ordering fittings under this specification, thefollowing should be specified: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:1This specification is under the jurisdiction of ASTM Com
12、mittee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved Nov. 1, 2007. Published November 2007. Originallyapproved in 1996. Last previous edition approved in 2002 as F 173306(2002).2For referenced ASTM standards, visit the ASTM
13、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 website.3Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 1
14、9111-5094, Attn: NPODS.4Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, MI 48113-0140, http:/www.nsf.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.1.3.1 Nominal diameter.5.1.3.2 CTS, IPS, or s
15、chedule.5.1.3.3 Dimension ratio number or schedule number.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
16、as safe for this purpose bya testing agency acceptable 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 No. 14. The seal or
17、mark of thelaboratory making the evaluation should be included on the pipe andtubing.6.2 CompoundsThe polyamide fittings compounds shallmeet the requirements for Group 3, Class 2, and Grade 3, orGroup 4, Class 2 and Grade 3 as prescribed in SpecificationD 4066.NOTE 2Fittings produced from compounds
18、meeting the requirementsof Group 3, Class 2, and Grade 3 (PA 323) are intended for use with pipemanufactured from compounds meeting the requirements of Group 3,Class 2, and Grade 3. Fittings produced from compounds meeting therequirements of Group 4, Class 2, and Grade 3 (PA 423) are intended foruse
19、 with pipe manufactured from compounds meeting the requirements ofGroup 4, Class 2, and Grade 3. As per the recommendations of respectiveresin manufacturers, no cross fusion between PA 323 pipe and fittings andPA 423 pipe and fittings is permitted.6.3 Rework MaterialClean rework material generatedfr
20、om the manufacturers own production may be used by thesame manufacturer as long as the fittings produced conform tothe requirements of this specification.7. Requirements7.1 Dimensions and Tolerances:7.1.1 Outside DiameterNominal outside diameters of buttfusion fittings shall conform to the nominal i
21、ron pipe size (IPS)or copper tubing size (CTS) dimensions at area of fusion.These dimensions and tolerances shall be as shown in Table 1,Table 2, and Table 3 of this specification.7.1.2 Inside Diameter (CTS Fittings Only)Inside diam-eters of butt fusion fittings for tubing at area of fusion shallcon
22、form to the dimensions of the tubing being joined. Thedimensions 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
23、fusion shall be as shown in Table 3, Table 4, and Table 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 b
24、y the purchaser consistent with 7.1.3.7.2 Pressure Test 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 streng
25、thof the pipe or tubing in the system when tested in accordancewith 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 de
26、finitionsshall be as specified in Test Method D 1599.7.2.2 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 pre
27、pared for testing in the manner described in 10.2 ofTABLE 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 60.0102 2.37
28、5 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 60.216ADefined a
29、s 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, (mm)Nominal PipeSizeAverage Outside Diameter at Area of FusionMin MaxA90 90.0 90.8110 110.0 111.0160 160.0 161.4200 200.0 201.8250 250.0
30、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 072this specification. The t
31、est 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 Table 7. The test specim
32、ens 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 shall behomogeneous th
33、roughout and free of cracks, holes, foreigninclusions, 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 appropri
34、ate for the end use intended.When the fittings are 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 pi
35、pe and tubing for gas, water, and otherengineered piping 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 paragrap
36、h.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)12 CTS34 CTS0.625 (15.88)
37、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 (28.58) 60.013 (60.34) 0.93
38、7 (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)60.005 (60.12)60.005 (60.12)
39、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)114 CTS 1.375 (34.92) 60.013
40、 (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 ThicknessSCH 40 SCH 80 SDR 2
41、1 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 0.184112 0.145 0.200 . . .
42、 . . . . . . . . . . . . 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 0.713 0.7368 0.322 . . .
43、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 . . . . . . . . . 1.455 1.720 1.77818 .
44、. . . . . 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 . . .28 . . 1.333 1.647 . . .
45、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 the combination (for examp
46、le, 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 07310.2 ConditioningUnless otherwise specified, con
47、ditionthe 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
48、 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
49、 nearest 0.001 in. (0.02 mm).10.4.2 Inside Diameter (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 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 cylindrica
