Standard No.:	GB/T 5338.2-2023
English Name:	Series 1 freight containers—Specification and testing—Part 2: Thermal containers
Chinese Name:	系列1集装箱 技术要求和试验方法 第2部分：保温集装箱
Chinese Classification:	A85    Container, tray and pallet
Professional Classification:	GB    National Standard
ICS Classification:	55.180.10 55.180.10    General purpose containers 55.180.10
Source Content Issued by:	SAMR; SAC
Issued on:	2023-9-7
Implemented on:	2024-1-1
Status:	valid
Superseding:	GB/T 7392-1998 1 thermal containers - Specification and testing
Target Language:	English
File Format:	PDF
Word Count:	21500 words
Translation Price(USD):	700.0
Delivery:	via email in 1~3 business day

Series 1 freight containers - Specification and testing - Part 2 : Thermal containers 1 Scope This document specifies the classification, marking, size and rated mass, design requirements, test methods and electrical equipment requirements of ISO 668 series 1 thermal containers. This document is applicable to the design, production, inspection and use of insulated containers for conveyance of goods by road, rail and sea, including interchange between these forms of transport. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 668 Series 1 freight containers - Classification, dimensions and ratings Note: GB/T 1413-2023 Series 1 freight containers - Classification, dimensions and ratings (ISO 668 : 2020, IDT) ISO 1161 Series 1 freight containers - Corner and intermediate fittings - Specifications Note: GB/T 1835-2006 Series 1 freight container - Corner fittings (ISO 1161:1984, MOD) ISO 1496-1 Series 1 freight containers- Specification and testing- Part 1 : General cargo containers for general purposes Note: GB/T 5338.1-2023 Series 1 freight containers - Specification and testing - Part 1:General cargo containers for general purposes (ISO 1496-1:2013, IDT) ISO 6346 Freight containers - Coding, identification and marking Note: GB/T 1836-2017 Freight containers - Coding, identification and marking (ISO 6346 :1995, IDT) IEC 60309-2 Plugs, socket-outlets and couplers for industrial purposes - Part 2 : Dimensional interchangeability requirements for pin and contact-tube accessories Note: GB/T 11918.2-2014 Plug, socket-outlets and couplers for industrial purposes - Part 2 : Dimensional compatibility and interchangeability requirements for pin and contact-tube accessories (IEC 60309-2 : 2012, MOD) 3 Terms and definitions For the purposes of this standard, the terms and definitions given in ISO 668, ISO 1161. ISO 1496-1. ISO 6346, IEC 60309-2 and the following apply. 3.1 thermal container insulated container freight container having insulating walls, doors, floor and roof designed to delay the rate of heat transmission between the inside and the outside of the container 3.2 refrigeration container (expendable refrigerant) thermal container served by a unit using a means of cooling such as liquefied gases, with or without evaporation control (ERU) 3.3 picture frame opening in one end of a thermal container to accommodate an integral refrigeration unit 3.4 built-in front mechanically refrigerating and heated container thermal container with built-in recess for a refrigeration and heating unit 3.5 heated container thermal container with a heat producing unit 3.6 modified atmosphere controlled atmosphere system installed in a thermal container served by a refrigeration unit, capable of generating and/or maintaining gas concentration levels different to those of the air outside the container 3.7 removable equipment power-generating unit or other equipment designed to be attached or detached from a thermal container 3.8 internally totally within the external dimensional envelope of the container as defined in ISO 668 3.9 externally partially or totally outside the external dimensional envelope of the container as defined in ISO 668 Note: It is implicit in this definition that a unit located externally needs to be removable or retractable to facilitate transport in certain modes. 3.10 batten member installed on the inside walls of the container to hold the cargo away from the wall to provide an air passage Note: The member maybe integral with the wall, fastened to the wall or added during cargo loading. 3.11 bulkhead partition providing a plenum chamber and/or air passage for either return or supply air Note : The partition maybe an integral part of the unit or a separate member. 3.12 load line mark on the interior surface of a thermal container above which cargo should not be stowed 3.13 T-floor section of floor, usually in aluminium, in the profile of the letter “T” for supporting cargo and distributing air 3.14 fresh air vent adjustable orifice to allow a supply of outside air into a mechanical refrigeration container Note: A mechanical refrigeration container is a thermal container served by a mechanical refrigeration unit (MRU), see Annex H. 3.15 floor drain self-sealing floor orifice to allow the expulsion of condensate 3.16 vacuum valve valve to prevent the development of excessive air pressure differential between inside and outside of the thermal container 3.17 defrost drain orifice for discharging condensate from the cooling coil 3.18 pin mounting mounting system using two vertical pins engaging in sockets built into the front header 3.19 lower mounting point threaded receptacle to which the lower two corners of the removable equipment are fastened 3.20 new thermal container new insulated container freight container having insulating walls, doors, floor and roof that has been manufactured within the previous 7 days and with maximum heat-leakage rate 3.21 high ambient temperature temperature above 50℃ at which the MRU is expected to operate without functional restrictions 3.22 aged thermal container thermal container with aged polyurethane foam and with a heat-leakage rate 20 % higher than the Umax value given in Table 2