Standardization of equipment for gas welding, thermal cutting and allied processes such as:

  • high pressure manifolds;
  • distribution pipelines;
  • pressure regulators and gauges;
  • hoses and connections;
  • safety devices;
  • quick-action couplings;
  • blowpipes.

It includes the design, construction, safety, performance, testing and marking of such equipment and their combinations. Also included are graphical symbols, terms and definitions and the classification of thermally cut surfaces.

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Sustainable Development Goals

This committee contributes with 1 standard to the following Sustainable Development Goal:


published ISO standards *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 44/SC 8/WG 6   Quality classification and dimensional tolerances of thermally cut surfaces Working group
ISO/TC 44/SC 8/WG 8   Pressure regulators Working group
Liaison Committees to ISO/TC 44/SC 8

The committees below can access the documents of ISO/TC 44/SC 8:

Reference Title ISO/IEC
ISO/TC 45/SC 1 Rubber and plastics hoses and hose assemblies ISO
ISO/TC 58/SC 2 Cylinder fittings ISO
ISO/TC 131 Fluid power systems ISO


Liaison Committees from ISO/TC 44/SC 8

ISO/TC 44/SC 8 can access the documents of the committees below:

Reference Title ISO/IEC
IIW International Institute of Welding ISO
ISO/TC 45/SC 1 Rubber and plastics hoses and hose assemblies ISO


Organizations in liaison (Category A and B)
Acronym Title Category
EWA European Welding Association A
IIW International Institute of Welding A
WCO World Customs Organization B

Date Month Location TC/SC Note
19-20 April 2023 Berlin (Germany) ISO/TC 44/SC 8  

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 44/SC 8 - Secretariat

DIN [Germany]

DIN Deutsches Institut für Normung e.V.
Am DIN-Platz, Burggrafenstraße 6
D-10787 Berlin

Tel: +49 30 2601-0
Fax: +49 30 26 01 12 31