1、NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.Approved October 16, 2008 by American National Standards Institute, Inc.Approved February 11, 2009 by the Interprovincial Gas Advisory Council. Effective in Canada October 1, 2010.Standards DeveloperCSA America, Inc. C
2、anadain Standards Association8501 East Pleasant Valley Road 5060 Spectrum Way, Suite 100Cleveland, Ohio 44131 Mississauga, Ontario, Canada L4W 5N6Published - February 2009 Page 1Copyright 2009Canadian Standards AssociationPermission is granted to republish material herein in laws or ordinances, and
3、in regulations, administrative orders, or similar documents issued by public authorities. Those desiring permission for other republication should consult Canadian Standards Association at 5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6.Copyright 2009CSA America, Inc.Permission is
4、 granted to republish material herein in laws or ordinances, and in regulations, administrative orders, or similar documents issued by public authorities. Those desiring permission for other republication should consult CSA America, Inc. at 8501 East Pleasant Valley Road, Cleveland, Ohio 44131.Adden
5、da to the Second EditionANSI Z21.75-2007 CSA 6.27-2007andAmerican National Standard/CSA Standard forConnectors For Outdoor Gas Appliances AndManufactured Homes ANSI Z21.75a-2009CSA 6.27a-2009Part I: Construction 1.4 Fittings 1.4.2Threads on pipe-end connections of fittings shall be taper pipe threads conforming to the Standard for Pipe Threads, General Purpose (Inch), ANSI/ASME B1.20.1, NPT, or the Standard for Dryseal Pipe Threads (Inch), ANSI/ASME B1.20.3, NPTF.
