Reference number
ISO 15590-3:2022
© ISO 2025
International Standard
ISO 15590-3:2022
Petroleum and natural gas industries — Factory bends, fittings and flanges for pipeline transportation systems — Part 3: Flanges
Edition 2
2022-03
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Опубликовано (Версия 2, 2022)

ISO 15590-3:2022

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Тезис

This document specifies the technical requirements for carbon steel and low-alloy steel forged flanges for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623.

This document applies to weldneck and blind flanges (full face, raised face, and RTJ groove) as well as anchor, swivel-ring flanges and orifice flanges.

This document designates those categories of flanges that meet the industry's need to match ISO 3183 pipe. These flanges are for normal and low-temperature service and include supplementary requirements where required for sour service.

Materials for, or the attachment of, factory-welded extensions, bolting materials, gaskets, slip-on flanges or flanged fittings are not covered by this document.

This document is not applicable to integrally cast or forged flanges for valves, pumps or other equipment.

This document does not cover the selection of the flange category or pressure class. Sizes and pressure classes listed in ISO 7005-1 and applicable to this document are as follows:

—    DN 10 (NPS 1/2) to DN 1500 (NPS 60);

—    PN 20 (class 150), PN 50 (class 300), PN 100 (class 600), PN 150 (class 900), PN 250 (class 1500), PN 420 (class 2500).

Общая информация

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 2022-03
    Этап
    : Опубликование международного стандарта [60.60]
  • Версия
     : 2
  • Технический комитет :
    ISO/TC 67/SC 2
    ICS :
    75.200 
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