NEN EN 558-1:1995被替代
Industrial Valves - Face-to-face And Centre-to-face Dimensions Of Metal Valves For Use In Flanged Pipe Systems - Part 1: Pn-designated Valves
出版：Nederlands Normalisatie Instituut
专家解读视频
Specifies face-to-face (FTF) and centre-to-face (CTF) dimensions for PN designated metal valves used in flanged pipe systems.
Supersedes NEN 623, NEN 624, NEN 625 and NEN 626. (11/2003)
NBN EN 558-1:1996 - Identical
UNI EN 558-1:2001 - Identical
I.S. EN 558-1:1996 - Identical
NF EN 558-1:1996 - Identical
NS EN 558-1 Ed. 1 (1995) - Identical
UNE EN 558-1:1996 - Identical
SS EN 558-1 Ed. 1 (1995) - Identical
SN EN 558-1:1996 - Identical
BS EN 558-1:1996 - Identical
ONORM EN 558-1:1996 - Identical
DIN EN 558-1 (1995-12) - Identical
