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About This Item

 

Full Description

This standard represents the minimum requirements for pressure relief devices (PRDs) considered to be appropriate and adequate for use on cylinders with a water capacity of 1000 lb (454 kg) of water or less. Refer also to Title 49 of the U.S. Code of Federal Regulations (49 CFR) or CSA B340, Selection and Use of Cylinders, Spheres, Tubes, and Other Containers for the Transportation of Dangerous Goods, Class 2. This standard also applies to DOT-3AX, DOT-3AAX, and DOT-3T cylinders with a water capacity of over 1000 lb (454 kg) of water, and which comply with the design specifications and charging (filling) and maintenance regulations of the U.S. Department of Transportation (DOT) or the corresponding specifications and regulations of Transport Canada (TC).

This standard does not cover requirements for PRDs for CTC/DOT-4L and TC-4LM insulated cylinders containing cryogenic liquids (see CGA S-1.2, Pressure Relief Device Standards—Part 2—Portable Containers for Compressed Gases). This standard does not cover PRD requirements for multi-unit tank car tanks (DOT106A/TC106A and DOT110A-W/TC110A) (see 49 CFR 179.300-15 and CGSB 43.147, Construction, Modification, Qualification, Maintenance, and Selection and Use of Means of Containment for the Handling, Offering for Transport, or Transporting of Dangerous Goods by Rail, as appropriate).

 

Document History

  1. CGA S-1.1


    Pressure Relief Device Standards-Part 1-Cylinders for Compressed Gases

    • Most Recent
  2. CGA S-1.1


    Pressure Relief Device Standards-Part 1-Cylinders for Compressed Gases

    • Historical Version
  3. CGA TB-27 (R2020)


    Recommendations for CG-7 Pressure Relief Valves Used in Propylene Service

    • Historical Version
  4. CGA S-1.1

    👀 currently
    viewing


    Pressure Relief Device Standards-Part 1-Cylinders for Compressed Gases

    • Historical Version
  5. CGA S-1.1


    Pressure Relief Device Standards-Part 1-Cylinders for Compressed Gases

    • Historical Version
  6. CGA TB-27


    Recommendations for CG-7 Pressure Relief Valves Used in Propylene Service

    • Historical Version
  7. CGA S-1.1


    Pressure Relief Device Standards - Part 1 - Cylinders for Compressed Gases

    • Historical Version