1、Designation: F437 09F437 15Standard Specification forThreaded Chlorinated Poly(Vinyl Chloride) (CPVC) PlasticPipe Fittings, Schedule 801This standard is issued under the fixed designation F437; the number immediately following the designation indicates the year of originaladoption or, in the case of
2、 revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specifi
3、cation covers chlorinated poly(vinyl chloride) (CPVC) threaded Schedule 80 pipe fittings. Included arerequirements for materials, workmanship, dimensions, and burst pressure.NOTE 1The CPVC fittings covered by this specification were covered previously in Specification D2464.1.2 The products covered
4、by this specification are intended for use with the distribution of pressurized liquids only, which arechemically compatible with the piping materials. Due to inherent hazards associated with testing components and systems withcompressed air or other compressed gases some manufacturers do not allow
5、pneumatic testing of their products. Consult withspecific product/component manufacturers for their specific testing procedures prior to pneumatic testing.NOTE 2Pressurized (compressed) air or other compressed gases contain large amounts of stored energy which present serious saftey hazards shoulda
6、system fail for any reason.1.3 The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notesand footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.1.4 The values stated in inch-po
7、und 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.1.5 The following safety hazards caveat pertains only to the test method portion, Section 88, of this specification
8、: This standarddoes not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2. Referenced Docum
9、ents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1599 Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and FittingsD1600 Terminology for Abbreviated Terms Relating to PlasticsD1784 Specification for Rigid Poly(Vinyl Chloride) (PVC) Compo
10、unds and Chlorinated Poly(Vinyl Chloride) (CPVC)CompoundsD2122 Test Method for Determining Dimensions of Thermoplastic Pipe and FittingsD2464 Specification for Threaded Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80D2749 Symbols for Dimensions of Plastic Pipe FittingsF412 Terminology
11、Relating to Plastic Piping SystemsF1498 Specification for Taper Pipe Threads 60 for Thermoplastic Pipe and Fittings2.2 Federal Standard:Fed Std. No. 123 Marking for Shipment (Civil Agencies)31 This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the dir
12、ect responsibility of Subcommittee F17.10 on Fittings.Current edition approved Aug. 1, 2009March 1, 2015. Published August 2009July 2015. Originally approved in 1974. Last previous edition approved in 20062009 asF437 06.F437 09. DOI: 10.1520/F0437-09.10.1520/F0437-15.2 For referencedASTM standards,
13、visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbin
14、s Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.DLA Document Services Building 4/D 700 Robbins Avenue Philadelphia, PA 19111-5094 http:/quicksearch.dla.mil/This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes
15、have 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
16、document.*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 States12.3 Military Standard:MIL-STD-129 Marking for Shipment and Storage32.4 NSF Standard:Standard No. 14 for Plastic
17、Piping Components and Related Materials43. Terminology3.1 Definitions:3.1.1 Definitions are in accordance with Terminology F412 and abbreviations are in accordance with Terminology D1600,unless otherwise indicated. The abbreviation for chlorinated poly(vinyl chloride) is CPVC.4. Classification4.1 Ge
18、neralThis specification covers threaded Schedule 80 CPVC pipe fittings, intended for use with threaded Iron Pipe Size(IPS) outside-diameter plastic pipe.4.1.1 Fittings covered by this specification are normally molded. In-line fittings, such as couplings, unions, bushings, caps,nipples, etc., shall
19、be molded or machined from extruded stock.4.1.2 Fittings fabricated by backwelding are not included in this specification.NOTE 3This specification does not include requirements for pipe and fittings intended to be used to vent combustion gases.5. Materials and Manufacture5.1 This specification cover
20、s CPVC pipe fittings made from compounds meeting the requirements of Class 23447 as definedin Specification D1784.NOTE 4Mechanical strength, heat resistance, flammability, and chemical resistance requirements are covered in Specification D1784.5.2 Rework MaterialThe manufacturers shall use only thei
21、r own clean rework fitting material and the fittings produced shallmeet all the requirements of this specification.6. Requirements6.1 Dimensions and Tolerances:6.1.1 The dimensions and tolerances of the fittings shall be as shown in Table 1 and Table 2 when measured in accordance with4 Available fro
22、m NSF International, P.O. Box 130140, 789 N. Dixboro Rd., Ann Arbor, MI 48113-0140, http:/www.nsf.org.TABLE 1 Dimensions of 90 Ells, Tees, Crosses, 45 Elbows and Couplings (Straight Sizes), in. (mm)A,BNominalPipeSizeCenter to ThreadEnd, 90 Elbows,Tees, Crosses,H, minLength ofThread,T, minCenter to T
23、hreadEnd, 45 Elbow,CK, minInsideDiameterof Fitting,D, minNominal WallThickness,F, minOutsideDiameterof Hub,M, minThread End toThread End ofCoupling,L, min14 0.812 (20.62) 0.50 (12.70) 0.688 (17.48) 0.258 (6.55) 0.135 (3.43) 0.840 (21.34) 1.063 (27.00)38 0.938 (23.83) 0.50 (12.70) 0.750 (19.05) 0.379
24、 (9.63) 0.144 (3.66) 1.000 (25.40) 1.063 (27.00)12 1.125 (28.58) 0.64 (16.26) 0.750 (19.05) 0.502 (12.75) 0.198 (5.03) 1.280 (32.51) 1.344 (34.14)34 1.250 (31.75) 0.65 (16.51) 1.000 (25.40) 0.698 (17.73) 0.207 (5.25) 1.500 (38.10) 1.500 (38.10)1 1.500 (28.10) 0.81 (20.51) 1.125 (28.58) 0.911 (23.14)
25、 0.225 (5.72) 1.810 (45.97) 1.688 (42.88)114 1.750 (44.45) 0.85 (21.59) 1.313 (23.35) 1.227 (31.17) 0.261 (6.63) 2.200 (55.88) 1.750 (44.45)112 1.938 (49.23) 0.85 (21.59) 1.438 (36.83) 1.446 (36.73) 0.270 (6.85) 2.500 (63.50) 2.000 (50.80)2 2.250 (57.15) 0.90 (22.86) 1.625 (41.28) 1.881 (47.78) 0.29
26、7 (7.54) 3.000 (76.20) 2.063 (52.40)212 2.688 (68.28) 1.21 (30.73) 1.938 (49.23) 2.250 (57.15) 0.315 (8.00) 3.560 (90.42) 2.625 (66.68)3 3.063 (77.80) 1.30 (33.02) 2.125 (53.98) 2.820 (71.63) 0.405 (10.29) 4.300 (109.22) 2.750 (69.85)4 3.625 (92.08) 1.38 (35.05) 2.625 (66.68) 3.737 (94.92) 0.450 (11
27、.43) 5.430 (137.92) 3.000 (76.20)6 5.125 (130.18) 1.50 (38.10) 3.250 (82.55) 5.646 (143.41) 0.504 (12.80) 7.625 (193.68) 3.250 (82.55)A The sketches and designs of fittings shown are illustrative only.BSymbols for dimensions are per Symbols D2749.CThis dimension locates the end of the fitting.F437 1
28、52Test Method D2122. Minimum dimensions have zero negative tolerances. Bushings shall have thread lengths applicable to thecorresponding sizes. Counterbore, which is optional, is not shown in Table 1, and is not included in the center-to-end or end-to-enddimensions.6.1.2 Fittings Not IllustratedAll
29、fittings, whether illustrated in Table 1 and Table 2 or not, shall have wall thicknesses andthread dimensions conforming to 6.1 and 6.2.6.2 ThreadsFor all fittings having taper pipe threads, threads shall conform to Specification F1498 and be gaged in accordancewith 8.4.6.3 Burst Pressure:6.3.1 The
30、minimum burst strength of the fittings shall be not less than that calculated for the size and wall thickness of the pipewith which it is to be used, when calculated from the following equation:S 5 P Do 2t!/2t (1)where:S = hoop stress, psi (or MPa),P = internal pressure, psi (or MPa),Do = average ou
31、tside diameter, in. (or mm), andt = minimum wall thickness, in. (or mm).Fittings tested in accordance with 8.5 shall withstand the minimum burst pressure shown in Table 3.6.3.2 Pressures shown are minimum burst pressures and do not imply rated working pressures. The burst pressure shall be usedonly
32、as an indication of quality.7. Workmanship, Finish, and Appearance7.1 The fittings shall be homogeneous throughout and free of cracks, holes, foreign inclusions, or other defects.The fittings shallbe as uniform as commercially practicable in color, opacity, density, and other physical properties.8.
33、Test Methods8.1 ConditioningCondition the test specimens at 73.4 6 3.6F (23 6 2C) and 50 6 5 %10 % relative humidity for not lessthan 40 h prior to test in accordance with Procedure A of Practice D618, for those tests where conditioning is required.8.2 Test ConditionsConduct tests in the Standard La
34、boratory Atmosphere of 73.4 6 3.6F (23 6 2C) and 50 6 5 %10 %relative humidity, unless otherwise specified in the test methods or in this specification.8.3 SamplingA sufficient quantity of fittings as agreed upon between the seller and the purchaser shall be selected at randomfrom each lot or shipme
35、nt and tested to determine that the basic design is in conformance with this specification.NOTE 5For individual orders or specifications where supplemental tests are required, only those tests and numbers of tests specifically agreed uponbetween the purchaser and seller need be conducted.TABLE 2 Dim
36、ensions of Plugs and Caps, in.A,BNominal PipeSizeLength of MaleThread, S, minLength of FemaleThread, T, minWidth ofFlats,B Q, minNominal WallThickness, F, minHeight ofHead, R, minCap Height,W, minOutside Diameterof Hub, M, min14 0.44 (11.18) 0.50 (12.70) 0.625 (15.88) 0.135 (3.43) 0.188 (4.78) 0.688
37、 (17.48) 0.840 (21.34)38 0.44 (11.18) 0.50 (12.70) 0.750 (19.05) 0.144 (3.66) 0.188 (4.78) 0.688 (17.48) 1.000 (25.40)12 0.53 (13.46) 0.64 (16.26) 0.938 (23.83) 0.198 (5.03) 0.188 (4.73) 0.875 (22.23) 1.280 (32.51)34 0.55 (13.92) 0.65 (16.51) 1.125 (28.53) 0.207 (5.26) 0.219 (5.56) 1.000 (25.40) 1.4
38、50 (35.03)1 0.68 (17.27) 0.81 (20.57) 1.375 (34.93) 0.225 (5.72) 0.219 (5.56) 1.188 (30.18) 1.810 (45.97)114 0.71 (18.03) 0.85 (21.59) 1.750 (44.45) 0.261 (6.63) 0.281 (7.14) 1.250 (31.75) 2.200 (55.88)112 0.72 (18.29) 0.85 (21.59) 1.875 (47.63) 0.270 (6.85) 0.313 (7.95) 1.250 (31.75) 2.450 (62.23)2
39、 0.76 (19.30) 0.90 (22.86) 1.875 (47.63) 0.297 (7.54) 0.313 (7.95) 1.375 (34.93) 3.000 (76.20)212 1.14 (28.96) 1.21 (30.25) 1.875 (47.63) 0.369 (8.00) 0.375 (9.53) 1.625 (41.28) 3.560 (90.42)3 1.20 (30.48) 1.30 (33.02) 2.000 (50.80) 0.405 (10.29) 0.375 (9.53) 1.750 (49.45) 4.250 (107.98)4 1.30 (33.0
40、2) 1.38 (35.05) 2.000 (50.80) 0.450 (11.43) 0.375 (9.53) 2.000 (50.60) 5.350 (125.87)6 1.44 (36.58) 1.50 (35.10) 2.000 (50.80) 0.504 (12.80) 0.500 (12.10) 2.125 (53.98) 7.625 (193.68)AThe sketches and designs of fittings shown are illustrative only.BSymbols for dimensions are per Symbols D2749.CAt t
41、he manufacturers option the head of the plug shall be hexagonal, octagonal, square, or round.F437 1538.4 ThreadsAll taper pipe threads shall be gaged in accordance with Specification F1498.8.5 Burst PressureDetermine the minimum burst pressure with at least five specimens in accordance withTest Meth
42、od D1599.Join the fittings to the pipe sufficiently strong and in such a manner that no failures shall occur in the assembly at a pressure lessthan the pressure requirement given in Table 3. The time of testing each assembly shall be between 60 and 70 s.9. Retest and Rejection9.1 If the results of a
43、ny test(s) do not meet the requirements of this specification, the tests(s) shall be conducted again only byagreement between the purchaser and seller. Under such agreement, minimum requirements shall not be lowered, changed, ormodified, nor shall specification limits be changed. If upon retest, fai
44、lure occurs, the quantity of product represented by the test(s)does not meet the requirements of this specification.10. Product Marking10.1 Quality of MarkingThe markings shall be applied to the fittings in such a manner that they remain legible under normalhandling and installation practices.10.2 C
45、ontent of Marking:10.2.1 Fittings shall be marked with the following:10.2.1.1 Manufacturers name or trademark,10.2.1.2 Material designation CPVC for CPVC 23447,10.2.1.3 The seal or mark of the laboratory making the evaluation for potable water contact,10.2.1.4 Size, and10.2.1.5 This designation “F43
46、7, with which the fitting complies.10.3 Where the size of the fitting does not allow complete marking, omit identification marking in the following sequence: size,material designation, F437, manufacturers name or trademark.10.4 Markings or symbols shall be molded, hot-stamped, or applied to fittings
47、 by any other suitable method, such as printing.10.5 Where recessed marking is used, care shall be taken to see that in no case marking causes cracks or reduces the wallthickness below the minimum specified.11. Quality Assurance11.1 When the product is marked with this designation, F437, the manufac
48、turer affirms that the product was manufactured,inspected, sampled, and tested in accordance with this specification and has been found to meet the requirements of thisspecification.TABLE 3 Burst Pressure Requirements for Water at 73F (23C)for CPVC Threaded Pipe Fittings, Schedule 80Nominal Size, in
49、.Min Burst StrengthAClass 23447psi (MPa)14 3620 (24.96)38 2940 (20.27)12 2720 (18.75)34 2200 (15.17)1 2020 (13.93)114 1600 (11.44)112 1510 (10.41)2 1290 (8.89)212 1360 (9.38)3 1200 (8.27)4 1040 (7.17)6 890 (6.14)AThis table was calculated for Schedule 80 pipe using the ISO formula and a stresslevel as follows:psi MPaClass 23447 (Type IV Grade 1 (CPVC) 6400 44.1F437 154SUPPLEMENTARY REQUIREMENTSGOVERNMENT/MILITARY PROCUREMENTThese requirements apply only to Federal/Military procurement, not domestic sales or transfers.
