UR P - Pipes and Pressure Vessels

Pipes and Pressure Vessels

UR P1 Rules for pipes - Rev.5 Nov 2001

UR P2 Rules for piping design, construction and testing - Mar 2016 Clean

Note: UR P2 Oct 2018 will come into force on 1 January 2020 and can be found in "Revision History" 

UR P3 Air pipe closing devices - Rev.4 Jan 2016

UR P4 Production and application of plastic pipes on ships - Rev.4 Dec 2008

See also UI LL36 and Recommendations 4 & 5

Ballast water systems. Requirements on ballast water exchange at sea - Del Apr 2011

UR P6 Shell type exhaust gas heated economizers that may be isolated from the steam plant system - Rev.1 June 2015