Superseded
Standard amendment
Historical
NBN EN 331/A1:2011
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
Preview
Summary
Replace the second paragraph of clause 1.1 with the following:
"It applies to metallic valves for domestic and commercial not directly buried installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437) and working up to 0,2 ´ 105 Pa, 0,5 ´ 105 Pa and 5 ´ 105 Pa."
"It applies to metallic valves for domestic and commercial not directly buried installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437) and working up to 0,2 ´ 105 Pa, 0,5 ´ 105 Pa and 5 ´ 105 Pa."
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 01/21/2011 |
| Cancellation Date | 06/30/2011 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
21/01/2011
Superseded
Historical
