NS EN 1983:2013现行
Industrial Valves - Steel Ball Valves
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines requirements for industrial steel ball valves having flanged, threaded, socket welding or butt welding ends and pertains to steel ball valves mainly used for industrial and general purpose applications.
NF EN 1983:2013 - Identical
NBN EN 1983:2013 - Identical
SN EN 1983:2013 - Identical
UNE EN 1983:2007 - Identical
DIN EN 1983 (2006-07) - Identical
BS EN 1983:2013 - Identical
SS EN 1983 Ed. 2 (2013) - Identical
I.S. EN 1983:2013 - Identical
NEN EN 1983:2013 - Identical
UNI EN 1983:2013 - Identical
ONORM EN 1983:2013 - Identical
UNE EN 1983:2014 - Identical
