ANSI CSA AM LC 4A-2013 CSA 6.32A-2013 Press-connect metallic fittings for use in fuel gas distribution systems (Addenda to the Second Edition).pdf

1、ANSI LC 4a-2013(reaffirmed 2017)CSA 6.32a-2012(reaffirmed 2016)Addenda to the Second Edition ofANSI LC 4-2012 CSA 6.32-2012Press-connect metallic fittings for use in fuel gas distribution systemsLegal Notice for StandardsCanadian Standards Association and CSA America, Inc. (operating as “CSA Group”)

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19、ANDARDS ASSOCIATION,Operating as “CSA Group”5060 Spectrum Way, Suite 100Mississauga, Ontario, Canada L4W 5N6TMA trade-mark of the Canadian Standards Association, operating as “CSA Group”Published in April 2013 by CSA GroupVisit our Online Store at shop.csa.ca 2013 CSA GroupTo purchase standards and

20、related publications, Visit our Online Store at shop.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.PrefaceThe standards set forth herein apply to the secon

21、d edition of the Standard for Press-connect metallic fittings for use in fuel gas distribution systems, ANSI LC 4-2012 CSA 6.32-2012, and supersede corresponding standards therein. Following their preparation by the supervising Technical Advisory Group, they were accepted by the American National St

22、andards Institute (ANSI) and the Interprovincial Gas Advisory Council (IGAC), and subsequently approved.NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.April 3, 2013American National Standards Institute, Inc.April 3, 2013Interprovincial Advisory Council Effective in

23、 Canada November 1, 2014IGAC1April 2013Press-connect mettalic fittings for use 2013 CSA Group in fuel gas distribution systems1 Scope 1.1This standard applies to metallic (copper, steel, stainless steel and malleable iron) press-connect type fittings, and valves (hereafter referred to as fittings un

24、less otherwise specified) for use with fuel gas systems intended for installation above ground, below ground, indoors and outdoors. 2 Reference StandardsASTM INTERNATIONALASTM B16/B16M-05, Standard Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw MachinesASTM B62, Standard S

25、pecification for Composition Bronze or Ounce Metal CastingsASTM B75, Standard Specification for Seamless Copper TubeASTM B88, Seamless Copper Water TubeASTM B124/B124M-00, Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and ShapesASTM B135, Standard Specification for Seamless Br

26、ass TubeASTM B584, Standard Specification for Copper Alloy Sand Castings for General ApplicationsASTM B837, Seamless Copper Tube for Natural Gas and Liquefied Petroleum (LP) Gas Fuel Distribution SystemsASTM B280, Seamless Copper Tube for Air Conditioning and Refrigeration Field ServiceASTM A197/A19

27、7M, Standard Specification for Cupola Malleable IronASTM A47/A47M, Standard Specification for Ferritic Malleable Iron CastingsASTM A220/A220M, Standard Specification for Pearlitic Malleable Iron CastingsASTM A53, Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and S

28、eamlessBRITISH STANDARDS INSTITUTEBS EN 1982:1999, Copper and copper alloys: Ingots and castingsBS EN 12165:1998, Copper and copper alloys: Wrought and unwrought forging stockBS EN 1562:1997, Founding, Malleable Cast IronsBS EN 10255:2004, Non-Alloy Steel Tubes Suitable for Welding and ThreadingINTE

29、RNATIONAL STANDARDS ORGANIZATIONISO 1817, Rubber, Vulcanized - Determination of the Effect of LiquidISO 5922:2005, Malleable Cast Iron2April 2013LC 4a-2013 CSA 6.32a-2013 2013 CSA Group4 Construction4.1 Materials(Present 4.1.1 through 4.1.4, unchanged.)4.1.5 Malleable Iron4.1.5.1Malleable iron fitti

30、ngs shall be produced to meet:(a) The requirements of Standard Specification for Cupola Malleable Iron, ASTM A197/A197M; or(b) The requirements of Standard Specification for Ferritic Malleable Iron Castings, ASTM A47/A47M; or(c) The requirements of Standard Specification for Pearlitic Malleable Iron

31、 Castings, ASTM A220/A220M; or(d) The requirements of material EN-GJMW 400-5 per European Standard for Founding, Malleable Cast Irons, EN 1562; or(e) The requirements of material JMW/400-5 per ISO 5922, Malleable Cast Iron; or(f) The requirements of material EN-GJMW 400-5 per British Standard Foundi

32、ng Malleable Cast Irons, BS EN 1562.4.1.5.2Malleable iron fittings evaluated under this standard are for use with black steel (iron) pipe in compliance with Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless, ASTM A53 or Non-Alloy Steel Tubes Suitable for

33、Welding and Threading, EN 10255.Other malleable iron alloys shall be permitted provided that their chemical composition meets all mechanical and corrosion resistant properties for the end purpose of the fitting.5 Performance5.1 GENERAL(Present 5.1.1 through 5.1.4, unchanged.)5.1.5Malleable iron test assemblies shall be specified by the fitting manufacturer.5.1.6At a minimum, a sample of every fitting configuration (adaptors, couplings, caps, elbows, tees, reducers, etc.) shall be tested. Within this group of samples, every size shall be represented at least once.