International Standard
ISO 23467:2020
Ice plug isolation of piping in nuclear power plant
Reference number
ISO 23467:2020
Версия 1
2020-11
International Standard
Предпросмотр
ISO 23467:2020
75658
недоступно на русском языке
Опубликовано (Версия 1, 2020)

ISO 23467:2020

ISO 23467:2020
75658
Язык
Формат
CHF 96
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Тезис

This document specifies requirements for the ice plug technique with liquid nitrogen or dry ice as refrigerant (cryogenic medium) on metal pipes of nuclear power plants. The freezing liquid can be water or water mixture (e.g. boric acid mixture).

This document specifies technical requirements of ice plug generation, formation judgment and removal, measures before, during and after ice plugging and requirements for personnel and non-destructive testing.

The application of the ice plug isolation technique is principally not allowed on cladded pipes or pipes with internal coatings. The application for pressure test is not in the scope of this document and will be qualified separately.

Общая информация

  •  : Опубликовано
     : 2020-11
    : Опубликование международного стандарта [60.60]
  •  : 1
  • ISO/TC 85/SC 6
    27.120.20 
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