ISO 15245-1:2021

Gas cylinders — Parallel threads for connection of valves to gas cylinders — Part 1: Specification ISO 15245-1:2021

Publication date:   May 25, 2021

Scope

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.
This document does not contain the connection requirements for:
—    mechanical strength;
—    gas tightness;
—    capability of repeated assembly and dismounting operations (this aspect is covered in ISO 13341).