1、Designation: D4024 12An American National StandardStandard Specification forMachine Made “Fiberglass” (Glass-Fiber-ReinforcedThermosetting Resin) Flanges1This standard is issued under the fixed designation D4024; the number immediately following the designation indicates the year oforiginal adoption
2、 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.1. Scope*1.1 This specification covers reinforced-thermosetting resinflanges other than
3、contact-molded flanges. Included are re-quirements for materials, workmanship, performance, anddimensions.1.2 Flanges may be produced integrally with a pipe orfitting, may be produced with a socket for adhesive bonding toa pipe or fitting, or may be of the type used in conjunction witheither a metal
4、lic or nonmetallic backup ring.1.3 The values stated in inch-pound units are to be regardedas the standard. The values in parentheses are given forinformation only. In cases where materials, products, or equip-ment are available only in SI units, inch-pound units areomitted.1.4 The following precaut
5、ionary caveat pertains only to thetest methods portion, Section 10, of this specification: Thisstandard 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
6、 determine the applicability of regulatory limita-tions prior to use.NOTE 1Contact molded flanges are covered in Specification D5421and referenced in Specification D5685.NOTE 2There is no known ISO equivalent to this standard.2. Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning
7、Plastics for TestingD883 Terminology Relating to PlasticsD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe, Tubing, and FittingsD1600 Terminology for Abbreviated Terms Relating toPlasticsD5421 Specification for Contact Molded “Fiberglass”(Glass-Fiber-Reinforced Thermos
8、etting Resin) FlangesD5685 Specification for “Fiberglass” (Glass-Fiber-Reinforced Thermosetting-Resin) Pressure Pipe FittingsF412 Terminology Relating to Plastic Piping Systems2.2 ANSI Standards:B 16.1 Cast Iron Pipe Flanges and Flanged Fittings3B 16.5 Pipe Flanges and Flanged Fittings33. Terminolog
9、y3.1 Definitions:3.1.1 GeneralDefinitions are in accordance with Termi-nology D883 or Terminology F412. Abbreviations are inaccordance with Terminology D1600, unless otherwise indi-cated. The abbreviation for reinforced-thermosetting-resin pipeis RTRP.4. Classification4.1 GeneralThis specification c
10、overs machine-madereinforced-thermosetting-resin flanges defined by type (methodof manufacture), grade (generic type of resin), class (configu-ration of joining system), and pressure rating. Flanges com-plying with this specification are also given numerical classi-fications relating to rupture pres
11、sure, sealing test pressure, andbolt torque limit.4.1.1 Types:4.1.1.1 Type 1Filament-wound flanges manufactured bywinding continuous fibrous glass strand roving or roving tape,either preimpregnated or impregnated during winding, into aflange cavity under controlled tension.4.1.1.2 Type 2Compression-
12、molded flanges made by ap-plying external pressure and heat to a molding compound thatis confined within a closed mold.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.23 on ReinforcedPlastic Piping Systems and Chemic
13、al Equipment.Current edition approved May 1, 2012. Published June 2012. Originallyapproved in 1981. Last previous edition approved in 2005 as D4024 05. DOI:10.1520/D4024-12.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For A
14、nnual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.1*A Summary of Changes section appears at the end of this sta
15、ndard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.1.3 Type 3Resin-transfer-molded flanges manufac-tured by pumping a thermosetting resin into glass reinforce-ments that have been cut to size and clamped between matchedmolds.4.
16、1.1.4 Type 4Centrifugally-cast flanges are made byapplying resin and reinforcement to the inside of a mold that isrotated and heated, subsequently polymerizing the resin sys-tem.4.1.2 Grades:4.1.2.1 Grade 1Epoxy resin.4.1.2.2 Grade 2Polyester resin.4.1.2.3 Grade 3 Phenolic resin.4.1.2.4 Grade 4Vinyl
17、ester resin.4.1.2.5 Grade 7Furan resin.4.1.3 Classes:4.1.3.1 Class 1Integrally-molded flange manufactured di-rectly on a pipe section, pipe stub, or fitting.4.1.3.2 Class 2Taper to taper adhesive joint flange manu-factured with a tapered socket to be used in conjunction with apipe or fitting with a
18、tapered spigot section and a suitableadhesive. This joining method provides an interference fit overthe entire length of the bond line.4.1.3.3 Class 3Straight-taper adhesive joint flange manu-factured with a tapered socket to be used with a pipe or fittingwith an untapered spigot section and a suita
19、ble adhesive. Thisjoining method provides an interference fit at the bottom of thesocket.4.1.3.4 Class 4Straight adhesive joint flange manufac-tured with an untapered socket for use with a pipe or fittingwith an untapered spigot and a suitable adhesive. This jointprovides a pipe stop and may have an
20、 interference fit at thebottom of the socket.4.1.4 Pressure RatingPressure rating shall be categorizedby a single letter designation. Pressure designations are shownin Table 1.4.1.5 Burst pressure, sealing test pressure, and bolt torquelimit shall be categorized by single capital letter designations
21、as indicated by the cell classification system of Table 2.4.2 Designation CodeThe flange designation code shallconsist of the abbreviation RTR, followed by the type, grade,and class in arabic numerals, the pressure rating category as acapital letter, and three capital letters identifying the cellcla
22、ssification designations of the rupture pressure, sealing testpressure, and the bolt torque limit, respectively. Thus, acomplete flange designation code shall consist of three letters,three numerals and one letter, and three letters.4.2.1 ExampleRTR-112E-EED. This designation de-scribes a filament-w
23、ound, glass fiber-reinforced epoxy resinflange with a taper to taper adhesive joining system. The flangehas a 150 psi (1.40 MPa) pressure rating, a burst pressure inexcess of 600 psi (4.1 MPa), a sealing test pressure of 225 psi(1.6 MPa), and a bolt torque limit greater than 75 lbfft (102Nm).NOTE 3F
24、langes with identical classification from different manufac-turers may not be interchangeable due to nonstandardization of pipe orsocket diameter, socket length, taper angle, or combination thereof.5. Materials and Manufacture5.1 Flanges manufactured in accordance with this specifi-cation shall be c
25、omposed of reinforcement imbedded in orsurrounded by cured thermosetting resin. The composite struc-ture may contain granular or platelet fillers, thixotropic agents,pigments, or dyes.5.2 The resins, reinforcements, and other materials, whencombined as composite structure, shall produce a flange tha
26、twill meet the performance requirements of this specification.6. Performance Requirements6.1 The following performance requirements are intended toprovide classification and performance criteria for the purposeof qualification testing and rating of prototype constructionsand periodic reevaluation of
27、 the manufacturers stated ratings.They are not intended as routine quality assurance require-ments for production runs of rated flanges.6.2 Flanges shall meet the following performance require-ments when joined for testing according to the manufacturersrecommended practice for field installation:6.2
28、.1 SealingFlanges shall withstand a pressure of at least1.5 times the rated design pressure without leakage when testedin accordance with 10.4.6.2.2 Short-Term Rupture StrengthFlanges shall with-stand a hydrostatic load of at least four times their rated designpressure without damage to the flange w
29、hen tested in accor-dance with 10.5.6.2.3 Bolt TorqueFlanges shall withstand, without visiblesign of damage, a bolt torque of at least 1.5 times thatrecommended by the manufacturer for sealing of the flange atits rated pressure when tested in accordance with 10.6.7. Content Requirements Content Requ
30、irements7.1 Recycled or Reprocessed Thermosetting PlasticsFlanges shall not contain any recylced or reprocessed thermo-setting plastics which might otherwise be added as fillers.8. Dimensions8.1 Dimensions and Tolerances:TABLE 1 Pressure CategoriesDesignationPressure Ratingpsi MPaA 50 0.35B 75 0.52C
31、 100 0.69D 125 0.86E 150 1.04F 175 1.21G 200 1.38H 225 1.55J 250 1.73K 300 2.07L 350 2.42M 400 2.76N 450 3.11P 500 3.45R 550 3.80S 600 4.14T 650 4.49U 700 4.83V 750 5.18W 800 5.52D4024 1228.1.1 Flange and Bolt DimensionsFlanges of 24 in. (610mm) or smaller diameter shall conform to the values given
32、inTable 3A or 3B for bolt circle, number and size of bolt holes,and outside diameter. Flanges larger than 24 in. (610 mm) indiameter shall conform to the values for bolt circle, numberand size of bolt holes, and outside diameter for Class 125 castiron flanges in ANSI B 16.1. The tolerances for the f
33、langedimensions provided in Table 3A and 3B shall be the same asthose contained in ANSI B 16.5. For all size flanges otherflange and bolt dimensions which meet internationally recog-nized standards such as ISO, DIN, JIS, BS, or GB can be usedas long as they are agreed to by the buyer and seller.8.1.
34、2 Flange FaceThe flange face shall be perpendicularto the axis of the fitting within12 . The sealing surface of flatface or serrated face flanges shall be flat to 6132 in. (1 mm) forsizes up to and including 18 in. (457 mm) diameter and 6116in. (2 mm) for larger diameters.8.1.3 Washer Bearing Surfac
35、eWasher bearing surfaceshall be flat and parallel to the flange face within 61.8.2 Pipe StopEach adhesive joined flange shall providesufficient taper or a diametric constriction to act as a stopduring adhesive joining so that the pipe stub cannot projectbeyond the face of the flange.9. Workmanship,
36、Finish, and Appearance9.1 Flanges shall be free as commercially practical ofdefects, including indentations, delaminations, bubbles, pin-holes, foreign inclusions, and resin-starved areas.10. Test Methods10.1 ConditioningWhen conditioning is required, and inall cases of disagreement, condition the t
37、est specimens at 73.46 3.6F (23 6 2C) and 50 6 10 % relative humidity for notless than 40 h prior to test, in accordance with Procedure A ofPractice D618.10.2 Test ConditionsThe tests may be conducted at am-bient temperature and humidity conditions. When controlledenvironment testing is specified, t
38、ests shall be conducted in theTABLE 2 Burst Pressure, Sealing Test Pressure, and Bolt Torque LimitProperty XAABC D E F G H J KBurst pressure, psi 200 300 400 500 600 700 800 900 1000 1200(MPa) 1.38 2.07 2.76 3.45 4.14 4.83 5.52 6.21 6.90 8.27Sealing test pressure, psi 75 115 150 190 225 265 300 340
39、375 450(MPa) 0.52 0.79 1.03 1.31 1.55 1.83 2.07 2.34 2.59 3.10Bolt torque limit, lbfft. 20 30 50 75 100 125 150 175 200 225(Nm) 27.1 40.7 67.8 101.7 135.6 169.5 203.4 237.3 271.2 305.1Property L M N P R S T U V WBurst pressure, psi 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200(MPa) 9.65 11.03 12
40、.41 13.79 15.17 16.55 17.93 19.31 20.69 22.06Sealing test pressure, psi 525 600 675 750 825 900 975 1050 1125 1200(MPa) 3.62 4.14 4.65 5.17 5.69 6.21 6.72 7.24 7.76 8.27Bolt torque limit, lbfft. 250 275 300(Nm) 339.0 372.9 406.8AX = unspecifiedTABLE 3 A Flange Dimensions, in. (mm)ANominal Pipe,SizeB
41、Outside Diameterof FlangeDrillingDiameter of Bolt Circle Diameter of Bolt Holes Number of Bolts Diameter of Bolts12 3.50 (88.9) 2.38 (60.5) 0.62 (15.75) 412 (12.70)34 3.88 (98.6) 2.75 (69.9) 0.62 (15.75) 412 (12.70)1 4.25 (107.9) 3.12 (79.2) 0.62 (15.75) 412 (12.70)114 4.62 (117.3) 3.50 (88.9) 0.62
42、(15.75) 412 (12.70)112 5.00 (127.0) 3.88 (98.6) 0.62 (15.75) 412 (12.70)2 6.00 (152.4) 4.75 (120.6) 0.75 (19.0) 458 (15.9)212 7.00 (177.8) 5.50 (139.7) 0.75 (19.0) 458 (15.9)3 7.50 (190.5) 6.00 (152.4) 0.75 (19.0) 458 (15.9)312 8.50 (215.9) 7.00 (177.8) 0.75 (19.0) 858 (15.9)4 9.00 (228.6) 7.50 (190
43、.5) 0.75 (19.0) 858 (15.9)5 10.00 (254.0) 8.50 (215.9) 0.88 (22.4) 834 (19.0)6 11.00 (279.4) 9.50 (241.3) 0.88 (22.4) 834 (19.0)8 13.50 (342.9) 11.75 (298.4) 0.88 (22.4) 834 (19.0)10 16.00 (406.4) 14.25 (361.9) 1.00 (25.4) 1278 (22.2)12 19.00 (482.6) 17.00 (431.8) 1.00 (25.4) 1278 (22.2)14 21.00 (53
44、3.4) 18.75 (476.2) 1.12 (28.4) 12 1 (25.4)16 23.50 (596.9) 21.25 (539.8) 1.12 (28.4) 16 1 (25.4)18 25.00 (635.0) 22.75 (577.8) 1.25 (31.7) 16 118 (28.6)20 27.50 (698.5) 25.00 (635.0) 1.25 (31.7) 20 118 (28.6)24 32.00 (812.8) 29.50 (749.3) 1.38 (35.1) 20 114 (31.7)ADimensions conform to ANSI B16.5 fo
45、r Class 150 steel flanges.BFor larger sizes, see 8.1.1.D4024 123Standard Laboratory Atmosphere of 73.4 6 3.6F (23 6 2C)and 50 6 10 % relative humidity. When elevated temperaturetesting is specified, the tests shall be conducted at the designoperating temperature 65.4F (3C).10.3 Dimensions and Tolera
46、ncesFlange dimensions shallbe measured with a micrometer of vernier calipers, or othersuitable measuring devices accurate to within 60.001 in.(60.02 mm). Diameters shall be determined by averaging aminimum of four measurements, equally spaced circumferen-tially.10.4 SealingFlanged components in gene
47、ral arrangementwith Fig. 1 shall be bolted together using the gasket and bolttorque recommended for standard field installation by theflange manufacturer. The assembly shall then be pressuretested and be required to hold the test pressure for a period of168 hours without leakage. Retorque to the man
48、ufacturersspecified level after initial pressurization is permitted.10.5 Short-Term Rupture StrengthFlanged componentsshall be tested in accordance with Test Method D1599 withfree-end closure except as herein noted. The pressure in thespecimen shall be increased until failure of the flange occurs.Pr
49、essure testing in an atmospheric environment is permissible.Minimum failure time shall be 60 s; no restriction shall beplaced on maximum time-to-failure. Leaking past the gasketinterface is permissible during this test. Bolt torque may beincreased as necessary during the test in order to minimizegasket leaking and to achieve the pressure necessary to causeflange failure. The assembly used for the test in 10.4 may beused for this test.WarningDo not test with any pressurizedgas.10.6 Maximum Bolt TorqueU
