['Hazardous Materials Safety - OSHA']
['Hydrogen', 'Compressed Gases', 'Anhydrous Ammonia']
05/05/2022
...
This standard covers refrigeration piping and heat transfer components. It provides guidance on the materials, design, fabrication, assembly, test, and inspection of this type equipment. It does not include pressure vessels.
Current edition
- ASME B31.5-2016 Refrigeration Piping and Heat Transfer Components
Incorporation by reference
The following editions have been incorporated by reference (IBR) into the Code of Federal Regulations (CFR):
IBR approved for | Overview of requirements | IBR approved edition |
29 CFR 1910.103(c)(1)(v)(b) | Employers must ensure that gaseous hydrogen piping and tubing (above -20°F.) conforms to the applicable sections of Pressure Piping Section 2, Industrial Gas and Air Piping, ANSI B31.1-1967 with addenda B31.1-1969, and that design of liquefied hydrogen or cold (20°F. or below) gas piping uses Petroleum Refinery Piping ANSI B31.3-1966 or Refrigeration Piping ANSI B31.5-1966 with addenda B31.5a-1968 as a guide. | ANSI B31.5-1966 Refrigeration Piping, including Addenda B31.5a-1968. 1 |
29 CFR 1910.111(b)(7)(iii) | Employers must ensure all refrigerated piping conforms to the Refrigeration Piping Code, American National Standards Institute, B31.5–1966 with addenda B31.1a–1968, as it applies to ammonia. | ANSI B31.5-1966 Refrigeration Piping, including Addenda B31.5a-1968.1 |
1ANSI B31.5 is now referred to as ASME B31.5. |
How to purchase
Standards are available for purchase from the American National Standards Institute (ANSI), see webstore.ansi.org, and from the American Society of Mechanical Engineers (ASME), see www.asme.org.
['Hazardous Materials Safety - OSHA']
['Hydrogen', 'Compressed Gases', 'Anhydrous Ammonia']
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