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      • ICS
      • Packaging And Distribution Of Goods
      • Freight Distribution Of Goods
      • General Purpose Containers

      Codes & Standards - Purchase

      ISO 20854:2019

      Thermal containers -- Safety standard for refrigerating systems using flammable refrigerants -- Requirements for design and operation
      SKU: iso_069361_168162 Published by ISO Publication Year 2019 1 Edition 59 pages

      Product Details

      • Overview
      This document describes the design of the mechanical refrigeration unit (MRU) and operation of container refrigerating systems in all anticipated operational modes and locations. It describes the industry's best practices for the safe operation of flammable refrigerants in refrigerating systems used in thermal freight containers operated on board ships, in terminals, on road, on rail and on land. This document addresses the use of flammable refrigerants with classifications defined in ISO 817, defined as 2L, 2 and 3, except R717 (Ammonia). This document describes an operational mode risk assessment (OMRA) which uses methods such as HAZOP (Hazard and operability analysis), FMEA (Failure mode and effects analysis), or FTA (Fault tree analysis) or combination of methods. This document specifies requirements for the validation and consideration of possible safety concepts and protective devices within the OMRA process, including charge release tests, simulation, and function tests of the associated protective equipment. It defines test requirements for shock, impact, and vibration. A validation procedure is given to demonstrate that risks from hazardous events are investigated and their severity and frequency are meaningfully reduced, with the aim of achieving tolerable risk values. The obligations of the manufacturer, the container owner as well as the responsible operator are described, as well as how stakeholders can investigate and mitigate risks associated with the use of flammable refrigerants. Finally, this document describes the requirements of service and maintenance when working with flammable refrigerants. This document is restricted to refrigerating systems integrated with or mounted on ISO thermal containers according to ISO 1496-2. It provides minimum requirements for reducing the risk associated with the use of flammable refrigerants. The scope is limited to container refrigerating systems operated in conjunction with the carriage of refrigerated cargo as operating reefer (OR) or when used as a non-operating reefer (NOR) or when empty for positioning -- while in intermodal transit. Static land-based continuous operations are excluded.

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      GST REG No R119441681
      QST REG No R1006017360

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      Select the subscription format that is right for you. Table with 13 rows and 3 columns, identifies features available and not available for the two different subscription formats - CSA Advantage TM and CSA OnDemand TM
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