DD-CEN-1591-4 Complete Document History
Flanges and their joints. Design rules for gasketed circular flange connections. Qualification of personnel competency in the assembly of bolted joints fitted to equipment subject to the Pressure Equipment Directive


Obsolete Revision Information:
   REPLACED BY BS-EN-1591-4 - WITHDRAWN IN 2013 - Aug. 31, 2013
   2007 EDITION - WITHDRAWN, 8/31/2013 - Sept. 28, 2007