CSA B242-2005 Groove- and shoulder-type mechanical pipe couplings (Third Edition).pdf

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1、B242-05 (reaffirmed 2016)Groove- and shoulder-type mechanical pipe couplingsLegal Notice for StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by theStandards Council of Canada. This process brings together volunteers rep

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16、242-05September 2005Title: Groove- and shoulder-type mechanical pipe couplingsPagination: 38 pages (vi preliminary and 32 text), each dated September 2005To register for e-mail notification about any updates to this publicationgo to www.ShopCSA.caclick on E-mail Services under MY ACCOUNTclick on CSA

17、 Standards Update ServiceThe List ID that you will need to register for updates to this publication is 2017389.If you require assistance, please e-mail techsupportcsa.ca or call 416-747-2233.Visit CSAs policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.P

18、ublished in September 2005 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online Store at www.ShopCSA.caB242-05Groove- and shoulder-type mechanical pipe couplingsCSA S

19、tandardISBN 1-55397-665-7Technical Editor: Abraham I. Murra Canadian Standards Association 2005All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.September 2005 iiiContents Canadian Standards Association Groove- and

20、 shoulder-type mechanical pipe couplingsTechnical Committee on Groove- and Shoulder-Type Mechanical Pipe Couplings vPreface vi1Scope 12 Reference publications 13 Definitions and abbreviations 33.1 Definitions 33.2 Abbreviations 44 General requirements 44.1 Couplings 44.2 Housings 54.3 Gaskets 54.4 B

21、olts and nuts 54.5 Alternative designs and materials 65 Pipe end preparation 65.1 Pipe and tube materials suitable for cut and roll grooving 65.2 Cut groove dimensions for cast ductile iron pressure pipe for flexible and rigid joints 65.3 Cut groove dimensions for carbon steel, stainless steel, and

22、aluminum pressure pipe 65.4 Roll groove dimensions for carbon steel, stainless steel, and aluminum pressure pipe 65.5 Roll groove dimensions for copper tube 65.6 Formed and roll grooved metallic tube 65.7 Cut groove dimensions for plastic pipe 75.8 Dimensions for shouldered pipe ends 75.9 Gasket-sea

23、ling surfaces 75.10 Grooves 75.10.1 General 75.10.2 Groove width 75.10.3 Groove diameter 75.11 Diametrical measurements 76 Chemical and physical properties 86.1 Housings 86.2 Bolts and nuts 86.2.1 Carbon steel bolts and nuts 86.2.2 Stainless steel bolts and nuts 87 Quality of work and finish 87.1 Co

24、upling housings 87.2 Gaskets 87.3 Bolts and nuts 88Tests 88.1 Maximum pressure capacity of coupling 88.1.1 General 88.1.2 Test method 98.2 Hydrostatic test for flexible joints 9B242-05 Canadian Standards Associationiv September 20058.2.1 General 98.2.2 Performance 98.2.3 Test method 98.3 Hydrostatic

25、 test for rigid joints 108.4 Determination of the joint working pressure from test results 108.4.1 Metallic pipe 108.4.2 Plastic pipe 108.4.3 Other considerations 108.5 Vacuum test 108.5.1 Performance 108.5.2 Test method 108.6 Water temperature in hydrostatic testing 118.6.1 Metallic pipe 118.6.2 Pl

26、astic pipe 119 Quality system requirements for coupling manufacturers 1110 Markings 11AnnexesA (informative) Coupling installation 26B (informative) Coupling information to be supplied by the manufacturer 27C (informative) Fabricated collars and grooved adapters for metallic and plastic pipe 28D (in

27、formative) Galvanic corrosion 31E (informative) Self-declaration of conformity 32Tables1 Commonly accepted pipe and tube materials for grooving 122 Cut groove dimensions for cast ductile iron pressure pipe for flexible and rigid joints 133 Cut groove dimensions for carbon steel, stainless steel, and

28、 aluminum pressure pipe 144 Roll groove dimensions for carbon steel, stainless steel, and aluminum pressure pipe 165 Roll groove dimensions for copper tube 186 Cut groove dimensions for plastic pipe 197 Dimensions for shouldered pipe ends 20Figures1 Typical coupling 212 Typical joint 223 Typical for

29、med end preparation for copper or stainless steel tube 224 Set-up for test to determine the maximum pressure capacity of a coupling 235 Set-up for hydrostatic test for flexible joints 246 Set-up for hydrostatic test for rigid joints 25 Canadian Standards Association Groove- and shoulder-type mechani

30、cal pipe couplingsSeptember 2005 vTechnical Committee on Groove- and Shoulder-Type Mechanical Pipe CouplingsJ. Gibb Victaulic Company of Canada Limited,Richmond Hill, OntarioChairT.J. McCann Department of National Defence,Ottawa, OntarioVice-ChairC. Caruana CSA,Toronto, OntarioAssociateJ. Gruber Whe

31、atland Tube Company,Wheatland, Pennsylvania, USAE. Ho IAPMO Research and Testing,Markham, OntarioAssociateL. Keeping Vipond Fire Protection, Mississauga, OntarioA. Knapp A. Knapp (b) provide an explanation of circumstances surrounding the actual field condition; and(c) be phrased where possible to p

32、ermit a specific “yes” or “no” answer.Committee interpretations are processed in accordance with the CSA Directives and guidelines governingstandardization and are published in CSAs periodical Info Update, which is available on the CSA Web site atwww.csa.ca. Canadian Standards Association Groove- an

33、d shoulder-type mechanical pipe couplingsSeptember 2005 1B242-05Groove- and shoulder-type mechanical pipe couplings1Scope1.1This Standard covers groove-type mechanical pipe couplings for liquid and gas pressure pipes up to and including NPS-42 and shoulder-type mechanical pipe couplings for liquid a

34、nd gas pressure pipes up to and including NPS-60.1.2This Standard includes minimum requirements for materials, chemical properties, physical properties, pipe groove and shoulder dimensions, finishes, and pipe coupling markings.1.3In CSA Standards, “shall” is used to express a requirement, i.e., a pr

35、ovision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; “may” is used to express an option or that which is permissible within the limits of the standard; and “can” is used to express po

36、ssibility or capability. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be

37、 written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.2 Reference publicationsThis Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below, including all amend

38、ments published thereto.CSA (Canadian Standards Association)CAN/CSA-B137.3-02 (part of CAN/CSA-B137 Series-02, Thermoplastic pressure piping compendium)Rigid polyvinyl chloride (PVC) pipe for pressure applicationsCAN/CSA-ISO 9001-00Quality management systems RequirementsCAN3-Z299.1-85 (R2002)Quality

39、 assurance program Category 1ANSI (American National Standards Institute)/AWWA (American Water Works Association)ANSI/AWWA C151/A21.51-02ANSI Standard for Ductile-Iron Pipe, Centrifugally Cast, for WaterAPI (American Petroleum Institute)Spec 5L (2004)Specification for Line Pipe B242-05 Canadian Stan

40、dards Association2 September 2005ASME International (American Society of Mechanical Engineers)B36.10M-2004Welded and Seamless Wrought Steel PipeASTM International (American Society for Testing and Materials)A 47/A 47M-99 (2004)Standard Specification for Ferritic Malleable Iron CastingsA 53/A 53M-04a

41、Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessA 106/A 106M-04bStandard Specification for Seamless Carbon Steel Pipe for High-Temperature ServiceA 135-05Standard Specification for Electric-Resistance-Welded Steel PipeA 153/A153M-05Standard Specification

42、 for Zinc Coating (Hot-Dip) on Iron and Steel HardwareA 183-03Standard Specification for Carbon Steel Track Bolts and NutsA 193/A 193M-05Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature ServiceA 194/A 194M-05Standard Specification for Carbon and Alloy

43、 Steel Nuts for Bolts for High Pressure or High Temperature Service, or BothA 312/A 312M-05Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel PipesA 536-84 (2004)Standard Specification for Ductile Iron CastingsA 563-04aStandard Specification for Carbon an

44、d Alloy Steel NutsA 743/A 743M-03Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General ApplicationA 795/A 795M-04Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection UseB 26/B

45、26M-03Standard Specification for Aluminum-Alloy Sand CastingsB 88-03Standard Specification for Seamless Copper Water Tube Canadian Standards Association Groove- and shoulder-type mechanical pipe couplingsSeptember 2005 3B 210-04Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tu

46、besB 306-02Standard Specification for Copper Drainage Tube (DWV)B 633-98 e1Standard Specification for Electrodeposited Coatings of Zinc on Iron and SteelD 412-98a (2002) e1Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers TensionD 573-04Standard Test Method for Rubber Deterior

47、ation in an Air OvenD 1785-04aStandard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 120D 2000-05Standard Classification System for Rubber Products in Automotive ApplicationsD 2240-04 e1Standard Test Method for Rubber Property Durometer HardnessNSF International (N

48、ational Sanitation Foundation)/ANSI (American National Standards Institute)NSF/ANSI 61-2004Drinking Water System Components Health EffectsSAE International (Society of Automotive Engineers)J429 (1999)Mechanical and Material Requirements for Externally Threaded FastenersJ995 (1999)Mechanical and Mate

49、rial Requirements for Steel Nuts3 Definitions and abbreviations3.1 DefinitionsThe following definitions apply in this Standard:Coupling a complete coupling that has all of its components supplied by one manufacturer and is used for connecting grooved, shouldered, or collared end pipes. A typical coupling is illustrated in Figure 1.Coupling manufacturer the party that represents a coupling as its product by adding its name, trade name, or trademark to the couplings components as required by Clause 10 and assumes the respo