1、Addenda to the Second EditionANSI Z21.81 -2005 CSA 6.25-2005American National Standard/CSA Standard ForCylinder Connection DevicesANSI Z21.81a-2007CSA 6.25a-2007Part I: Construction1.6 Marking1.6.4Dust caps for CGA 791 connections shall bear the following marking:“Use this cap when cylinder is not i
2、n use.”Note: Changes, other than editorial, are denoted by a vertical line in the margin.Approved November 13, 2006 by American National Standards Institute, Inc.Approved March 26, 2007 by the Interprovincial Gas Advisory Council; Effective in Canada November 1, 2008.Standard Developer:CSA America,
3、Inc. Canadian Standards Association8501 East Pleasant Valley Road 5060 Spectrum Way, Suite 100,Cleveland, Ohio, U.S.A 44131 Mississauga, Ontario, Canada L4W 5N6Published March 2007 Page 1Copyright 2007Canadian Standards AssociationPermission is granted to republish material herein in laws or ordinan
4、ces, and in regulations, administrative orders, or similar documents issued by public authorities. Those desiring permission for other republication should consult the Canadian Standards Association at 5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6.Copyright 2007CSA America, Inc.
5、Permission is 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.
