
Industrial Valves - Face-To-Face And Centre-To-Face Dimensions Of Metal Valves For Use In Flanged Pipe Systems - Pn And Class Designated Valves
出版:Asociacion Espanola de Normalizacion

專家解讀視頻
2008 + A1 2012 [11/04/2012]2008 CORR 2010 [03/11/2010]2008 [24/09/2008]
Supersedes UNE EN 558-1 & UNE EN 558-2. (09/2008) 2008 Edition Re-Issued in April 2012 & incorporates AMD 1 2012. (04/2012)
EN 558:2017 - Identical