Background
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Background
Background
Overall objective(s):
The completion and safety upgrading of Rovno-4 and Khmelnitskiy-2 units.
Objectives
1) Background
Previous SG (steam generator) safety valves experienced several design shortcomings:
Objective
Unit 5 is equipped with four SGs. To protect the SGs and corresponding system of live steam piping from pressure excess (for example at abnormal operation or in case of the accident) the following systems are to be replaced: