This standard specifies the basic requirements for the aging management of vertical U-shaped heat transfer tube natural circulation steam generators (Steam Genarator, hereinafter referred to as SG) in pressurized water reactor nuclear power plants. This standard is applicable to the planning, implementation and improvement of the aging management work of vertical U-shaped heat transfer tube natural circulation steam generators in pressurized water reactor nuclear power plants. The aging management work of other types of steam generators can be used as a reference.
NB/T 20222-2013 history
2013NB/T 20222-2013 Aging Guidelines for Steam Generators in Pressurized Water Reactor Nuclear Power Plants