ISO 11363-1:2018
Gas cylinders — 17E and 25E taper threads for connection of valves to gas cylinders — Part 1: Specifications
ISO 11363-1:2018 specifies dimensions and tolerances for taper screw threads of nominal diameter 17,4 mm (designated as 17E) and 25,8 mm (designated as 25E) used for the connection of valves to gas cylinders.
ISO 11363-1:2018 does not cover the connection requirements for
- mechanical strength,
- gas tightness, and
- capability of repeated assembly and dismounting operations.
Gauge inspection is covered by ISO 11363‑2.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$126.00 NZD
|
|
| Networkable PDF |
Price varies
|
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Thread rotation
4.2 Taper
4.3 Thread profile
4.4 Pitch, P
4.5 Dimensions
5 Thread end finish
6 Marking
Bibliography
Previous versions
Keep me up-to-date
Sign up to receive updates when there are changes to this standard
Related Information
Similar Standards
-
12/3025963 DC
BS ISO 15399. Gaseous hydrogen. Cylinders and tubes for stationary storage
-
AS/NZS ISO 11114.1:2025
Gas cylinders – Compatibility of cylinder and valve materials with gas contents – Part 1: Metallic materials
-
AS/NZS ISO 11114.2:2025
Gas cylinders – Compatibility of cylinder and valve materials with gas contents – Part 2: Non-metallic materials
-
AS/NZS ISO 11114.3:2025
Gas cylinders – Compatibility of cylinder and valve materials with gas contents – Part 3: Autogenous ignition test for non-metallic materials in oxygen atmosphere
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Thread rotation
4.2 Taper
4.3 Thread profile
4.4 Pitch, P
4.5 Dimensions
5 Thread end finish
6 Marking
Bibliography