NBN EN 593 : 2009 + A1 2011现行
INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES
出版：Belgian Standards
专家解读视频
Describes requirements for butterfly valves having metallic bodies for use in flanged or butt welding piping systems and used for isolating, regulating or control applications.
NS EN 593 : 2017 - Identical
ONORM EN 593 : 2017 - Identical
DIN EN 593 E : 2012 - Identical
I.S. EN 593:2017 - Identical
NF EN 593 : 2017 - Identical
SN EN 593 : 2018 - Identical
DIN EN 593 : 2018 - Identical
BS EN 593 : 2017 - Identical
DIN EN 593 : 2016 - Identical
