Historical
ISO 11116-1:1999
Gas cylinders -- 17E taper thread for connection of valves to gas cylinders -- Part 1: Specifications
This part of ISO 11116 specifies definitions, dimensions and tolerances of a taper screw thread of nominal diameter 17,4 mm (designated 17E), for the connection of valves to medical and industrial gas cylinders.
This part of ISO 11116 does not cover the connection requirements for:
- mechanical strength;
- gas tightness;
- capability of repeated assembly and dismounting operations.
Gauge inspection is covered by ISO 11116-2.
International Organization for Standardization [iso]