We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
  • CGA P 25 : 2007

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    Add to Watchlist
    This Standard has been added successfully to your Watchlist
    Please visit My Watchlist to see all standards that you are watching.
    Please log in or to add this standard to your Watchlist.
    We could not add this standard to your Watchlist.
    Please retry or contact support for assistance.
    We could not add this standard to your Watchlist.
    Please retry or contact support for assistance.
    You have already added this standard to your Watchlist.
    Visit My Watchlist to view the full list.

    GUIDE FOR FLAT-BOTTOMED LOX/LIN/LAR STORAGE TANK SYSTEMS

    Available format(s): 

    Superseded date:  18-10-2013

    Language(s): 

    Published date:  13-01-2013

    Publisher:  Compressed Gas Association

    Add to Watchlist

    Sorry this product is not available in your region.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    1 Introduction
    2 Scope
    3 Definitions
       3.1 Cryogenic liquid
       3.2 Oxygen-enriched atmosphere
       3.3 Oxygen-deficient atmosphere
       3.4 Qualified technical personnel
    4 Hazards
       4.1 Enhanced flammability
       4.2 Asphyxiation
       4.3 Low temperature
    5 General storage tank system design considerations
       5.1 Inner tank
       5.2 Outer tank
       5.3 Piping and nozzles
       5.4 Foundations
       5.5 Annular space purge/pressurizing gas
       5.6 Tank grounding
       5.7 Additional considerations for oxygen service
    6 Overpressure and vacuum protection
       6.1 Protected hazard
       6.2 Inner tank pressure control
       6.3 Inner tank pressure indication and monitoring
       6.4 Inner tank overpressure protection
       6.5 Inner tank vacuum protection
       6.6 Outer tank overpressure protection
       6.7 Outer tank vacuum protection
       6.8 Installation and sizing criteria
       6.9 Inspection and testing methods
    7 Overfill protection
       7.1 Liquid level measurement devices
       7.2 Other system designs
    8 Liquid nozzle(s) and inlet and outlet piping
       protection
       8.1 Protected hazard
       8.2 Protective systems
       8.3 Liquid nozzle mechanical integrity
    9 Storage system vents
       9.1 Flat-bottomed tank vents
       9.2 Venting from LOX/LIN/LAR storage systems
       9.3 Pressure relief devices
       9.4 Automatic vent valves
       9.5 Vent pipes
       9.6 Dry gas purge
    10 Site selection and separation distances
       10.1 Location
       10.2 Containment
       10.3 Vapor barriers
       10.4 Codes and standards
    11 Operator training and emergency response
       11.1 Training of personnel
       11.2 Emergency procedures
    12 Tank construction and commissioning
    13 Management of change in tank service
    14 References
    Table
    Appendices
    Appendix A - Diagram for typical flat-bottomed storage
                 tank system (Informative)
    Appendix B - Definition of terms for a typical flat-bottomed
                 cryogenic storage tank system (Informative)

    Abstract - (Show below) - (Hide below)

    Provides general information for designers, owners, operators or fabricators involved with LOX, LIN, LAR flat-bottomed cryogenic storage tank systems.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Compressed Gas Association
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    NFPA 99 HDBK : 2018 HEALTH CARE FACILITIES CODE HANDBOOK
    SAE AIR 1059 : 2017 OXYGEN CYLINDER QUALITY, SERVICEABILITY, MAINTENANCE TRANSFILLING AND MARKING
    NFPA 99C : 2005 GAS AND VACUUM SYSTEMS
    CGA P 31 : 2012 LIQUID OXYGEN, NITROGEN, AND ARGON CRYOGENIC TANKER LOADING SYSTEMS
    ASTM G 88 : 2013 : REDLINE Standard Guide for Designing Systems for Oxygen Service
    CGA SB 31 : 2013 HAZARDS OF OXYGEN IN THE HEALTH CARE ENVIRONMENT
    CGA P 8 : 2013 SAFE PRACTICES GUIDE FOR CRYOGENIC AIR SEPARATION PLANTS
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective