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.

Quick links


published ISO standards *

under the direct responsibility of ISO/TC 44/SC 8


Participating members


Observing members

* number includes updates

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
IIW International Institute of Welding A
WCO World Customs Organization B

Date Month Location TC/SC Note
21-22 April 2020 Milan (Italy) 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.
Saatwinkler Damm 42/43
D-13627 Berlin

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

Secretariat direct:

Mr Marcus Pommert
Tel: +49 30 2601-2844
Fax: +49 30 2601-42844