UL-448 Complete Document History
Standard for Centrifugal Stationary Pumps for Fire-Protection Service

Complete Current Edition:
   12TH EDITION - Standard for Centrifugal Stationary Pumps for Fire-Protectio - March 30, 2020
   CHANGE 12/22 - REVISION CHANGE - CODE A - Dec. 7, 2022

Obsolete Revision Information:
   11TH EDITION - Standard for Centrifugal Stationary Pumps for Fire-Protectio - Oct. 20, 2017
   10TH EDITION REPRINT - Centrifugal Stationary Pumps for Fire-Protection Service - Feb. 5, 2016
   CHANGE 07/13 - REVISION CHANGE - CODE A - July 12, 2013
   CHANGE 01/11 - REVISION CHANGE - CODE A - Jan. 26, 2011
   CHANGE 01/08 - REVISION CHANGE - CODE A - Jan. 30, 2008
   10TH EDITION - Centrifugal Stationary Pumps for Fire-Protection Service - June 8, 2007
   9TH EDITION - Centrifugal Stationary Pumps for Fire-Protection Service - Sept. 14, 2004
   8TH EDITION - Centrifugal Stationary Pumps for Fire-Protection Service - Sept. 2, 1994
   1984 EDITION - Centrifugal Stationary Pumps for Fire-Protection Service - Jan. 1, 1984