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About This Item

 

Full Description

It is the purpose of the National Board Inspection Code (NBIC) to maintain the integrity of pressure-retaining items by providing rules for post-construction activities including installation, and by providing rules for post-installation activities including inspections, repairs, and alterations, thereby ensuring the safety of the pressure-retaining items’ continued use.

The NBIC is intended to provide rules, information, and guidance to manufacturers, jurisdictions, Inspectors, owner-users, installers, contractors, and other individuals and organizations performing or involved in post-construction activities, thereby encouraging the uniform administration of rules pertaining to pressure retaining items.

The NBIC recognizes four important areas of post-construction activities where information, understanding, and following specific requirements will promote public and personal safety. These areas include:

  • Installation
  • Inspection
  • Repairs and Alterations
  • Testing of Pressure Relief Devices

The NBIC provides rules, information, and guidance for post-construction activities, but does not provide details for all conditions involving pressure-retaining items. Where complete details are not provided in this Code, the Code user is advised to seek guidance from the applicable jurisdiction or other technical sources.

The NBIC is organized into four parts to coincide with specific post-construction activities involving pressure-retaining items. Each part provides general and specific rules, information, and guidance within each applicable post-construction activity. Individual NBIC parts or other published standards may contain additional information or requirements needed to meet the rules of the NBIC. Each part provides specific references to direct the user where to find this additional information.

  • Part 4, Pressure Relief Devices – This part provides information and guidance to ensure pressure relief devices are installed properly, that inspections of pressure relief devices are performed and documented properly, and that repairs to pressure relief devices are performed, verified, and documented properly.
 

Document History

  1. NBBI NB23-2023 Part 4

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    viewing


    National Board Inspection Code - NBIC, 2023 Edition - Part 4 - Pressure Relief Devices

    • Most Recent
  2. NBBI NB23-2021 Part 4


    National Board Inspection Code - NBIC, 2021 Edition - Part 4 - Pressure Relief Devices

    • Historical Version
  3. NBBI NB23-2019 Part 4


    National Board Inspection Code - NBIC, 2019 Edition - Part 4 - Pressure Relief Devices

    • Historical Version
  4. NBBI NB23-2017 Part 4


    National Board Inspection Code - NBIC, 2017 Edition - Part 4 - Pressure Relief Devices

    • Historical Version