EN-558 Complete Document History
Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves

Complete Current Edition:
   2017 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Feb. 15, 2017

Obsolete Revision Information:
   2008 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - April 30, 2008