EN-60534-2-1 Complete Document History
Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions

Complete Current Edition:
   2011 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - May 20, 2011

Obsolete Revision Information:
   1999 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Jan. 1, 1999