TECHNICAL REPORT
First edition2012-12-01
nationalandinternationalvalvestem/ Gascylinders-Compilationof gascylinderneckthreadsandtheir identificationandmarkingsystem
Bouteilles a gaz-Compilation des filetages nationaux et internationaux des queues de robinets/goulots debouteilles et leurs systemes d’identification et de marquage
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ISO 2012
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Contents
Page
Foreword. ivIntroduction.1 Scope. 12 Normative references. 13 Interchangeability of valve/cylinder threads. 14 Lists of threads. 4.1 General. 14.2 List of threads. 1Bibliography 4.3 Tables of threads listed by country- 1125
Foreword
spepes euoeu go uogeap pmpom e st (uoezprepus og uogeziueoreuoeua ar obodies (ISO member bodies). The work of preparing International Standards is normally carried outmittee has been established has the right to be represented on that mittee. International through ISO technical mittees. Each member body interested in a subject for which a technicalISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of organizations governmental and non-governmental in liaison with ISo also take part in the work.electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives Part 2.
Publication as an International Standard requires approval by at least 75 % of the member bodiescasting a vote.
In exceptional circumstances when a technical mittee has collected data of a different kind fromthat which is normally published as an International Standard ("state of the art" for example) it mayReport is entirely informative in nature and does not have to be reviewed until the data it provides areconsidered to be no longer valid or useful.
Attention is drawn to the possibility that some of the elements of this document may be the subject ofpatent rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO/TR 11364 was prepared by Technical Committee ISO/TC 58 Gas cylinders.
Introduction
are free to be equipped with any thread according to a recognized thread standard. ISO standards forthere is presently no harmonized marking system. cylinders and valves require the marking of an identification of the thread on valve and cylinder but
The purpose of this Technical Report is to list all known cylinder/valve threads currently used and also as u ue ap a e as o pue sd auasn sp cylinders and valves. The aim is to reduce the risk of mismatches when valves are fitted to gas cylindersand avoid related safety incidents.
