
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:Polish Committee for Standardization

专家解读视频
Describes the face-to-face (FTF) and centre-to-face (CTF) dimensions for PN and Class designated metal valves used in flanged pipe systems.
Supersedes PN EN 558-1 and PN EN 558-2. (06/2008) 2008 Edition Re-issued in February 2012 & incorporates AMD 1 2012. (02/2012)
EN 558:2017 - Identical