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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
30-06-2011
01-12-2010
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."
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