ASTM_D_4024_-_22.pdf

Designation:D402422Standard 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 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 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 metallic 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 precautionary 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,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.NOTE1Contact molded flanges are covered in Specification D5421and referenced in Specification D5685.NOTE2There is no known ISO equivalent to this standard.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD883 Terminology Relating to PlasticsD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe,Tubing,and FittingsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD5421 Specification for Contact Molded“Fiberglass”(Glass-Fiber-Reinforced Thermosetting Resin)FlangesD5685 Specificationfor“Fiberglass”(Glass-Fiber-Reinforced Thermosetting-Resin)Pressure Pipe FittingsF412 Terminology Relating to Plastic Piping Systems2.2 ANSI Standards:3B 16.1 Cast Iron Pipe Flanges and Flanged FittingsB 16.5 Pipe Flanges and Flanged Fittings3.Terminology3.1 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 covers 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 burst pressure,sealing test pressure,andbolt torque limit.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.23 on ReinforcedThermosetting Resin Piping Systems and Chemical Equipment.Current edition approved July 1,2022.Published July 2022.Originally approvedin 1981.Last previous edition approved in 2015 as D4024 15.DOI:10.1520/D4024-22.2For referenced ASTM standards,visit the ASTM 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 American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.*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 StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.14.1.1 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,ontoflange tooling under controlled tension.4.1.1.2 Type 2Compression-molded flanges made by ap-plying external pressure and heat to a molding compound thatis confined within a closed mold.4.1.1.3 Type 3Resin-transfer-molded flanges manufac-tured by pumping a thermosetting resin into glass reinforce-ments that have bee