<p>This document specifies definitions, dimensions and tolerances of parallel screw threads of M30 x 2, M25 x 2 and M18 x 1,5, for the connection of valves to medical and industrial gas cylinders.</p>
<p>This document does not contain the connection requirements for:</p>
<p>— mechanical strength;</p>
<p>— gas tightness;</p>
<p>— capability of repeated assembly and dismounting operations (this aspect is covered in ISO 13341).</p>
Registration number (WIID)
79727
Scope
<p>This document specifies definitions, dimensions and tolerances of parallel screw threads of M30 x 2, M25 x 2 and M18 x 1,5, for the connection of valves to medical and industrial gas cylinders.</p>
<p>This document does not contain the connection requirements for:</p>
<p>— mechanical strength;</p>
<p>— gas tightness;</p>
<p>— capability of repeated assembly and dismounting operations (this aspect is covered in ISO 13341).</p>
