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ISO/FDIS 17838-1

Reactor technology - Design and performance evaluation of the emergency core cooling system strainer in pressurized water reactor nuclear power plants — Part 1: General principles

General information

50.00     Mar 31, 2026

ISO

ISO/TC 85/SC 6

International Standard

27.120.10  

Scope

This document specifies the general principles and requirements for the design and performance evaluation of emergency core cooling system (ECCS) strainer of the pressurized water reactor (PWR) nuclear power plant, including the debris source walkdown, upstream analysis, the design of the sump strainer equipment, and the debris head loss test and analysis, Chemical effect test and analysis, downstream effects (in- vessel) test and analysis, and downstream effects (ex-vessel) analysis.
This document is applicable to design and performance evaluation of ECCS strainer of PWR nuclear power plant. Other reactor types can be implemented by reference.

Life cycle

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PROJECT
ISO/FDIS 17838-1
50.00 Final text received or FDIS registered for formal approval
Mar 31, 2026