标准摘要
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).
英文名称Gas cylinders — Parallel threads for connection of valves to gas cylinders — Part 1: Specification