BS EN 331:1998+A1:2010
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
Hardcopy , PDF
31-12-2015
English
31-07-2011
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
GSE/42
|
| DocumentType |
Standard
|
| Pages |
32
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
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| SupersededBy |
1.1 This European Standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking requirements.
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 × 10 5 Pa, 0,5 × 10 5 Pa and 5 × 10 5 Pa.
NOTE \'Not directly buried\' within the context of this standard means that valves below ground are not in direct contact with earth or other materials e.g. that they are in a protected encasement.
1.2 Valve nominal sizes (DN) covered by this European Standard are as follows: 6, 8, 10, 12, 15, 20, 25, 32, 40, 50.
| Standards | Relationship |
| EN 331:1998/A1:2010 | Identical |
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