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<strong>IGC</strong> DOC 97/03<br />
Table of Contents<br />
1. Introduction.......................................................................................................................................1<br />
2. Scope ...............................................................................................................................................1<br />
3. Part 1: National threaded valve outlets used in 18 European countries ..........................................2<br />
4. Part 2: New European Valve Outlet Connections (NEVOC) recommendation................................2<br />
5. References .......................................................................................................................................2<br />
6. Adapters ...........................................................................................................................................2<br />
7. Annexes<br />
Annexes Part 1<br />
Annex 1 List of connections used………………..………………………………………………………… 4<br />
Annex 1 A Valve outlets for toxic gases (9 pages)………………………………………………………… 5<br />
Annex 1 B Valve outlets for flammable gases (3 pages)…..……………………………………...……. .14<br />
Annex 1 C Valve outlets for oxidising gases (1 page).…………………………………………………. 17<br />
Annex 1 D Valve outlets for inert gases (1 page)………………………………………………………… 18<br />
Annex 2 A Different shapes of valve outlets - External diameter……………………………………….. .19<br />
Annex 2 B Different shapes of valve outlets - Internal diameter………………………………………… .20<br />
Annex 3 Drawing of connections having the same basic dimensions (classified by country)………....21<br />
Annex 4 Table of connections having the same basic dimensions (classified by country) (3 pages). 22<br />
Annexes Part 2<br />
Annex 1 Adapters (example for nitrogen)………………………………………………………..………..25
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