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GB/T 26194-2026Method of testing the performance of cool storage systems (English PDF)

蓄冷系统性能测试方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 2, 2026

Implementation date

February 1, 2027

Scope

GB/T 26194-2026 is the English-translated version of 蓄冷系统性能测试方法.

GB/T 26194-2026 is a method for testing the performance of cool storage systems. It describes how to test the cooling capacity and efficiency of a cold storage system, and its chapters cover terms, definitions and symbols, classification, requirements, instruments, test method and test programme, calculation of results and the test report.

Appendices give an example of a design daily load distribution, methods of measuring fluid flow, an example equipment diagram and a test report form. It applies to the testing of complete cold storage systems.

This edition changed the definition of design day load distribution and the accuracy requirements for measuring instruments. Issued on 2 July 2026 and applicable from 1 February 2027, it replaces GB/T 26194-2010.

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Document preview — GB/T 26194-2026

National Standard of the People's Republic of China

ICS: 97.130.20
Classification: J 73
Replacing: GB/T 26194-2010

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative References
3 Terms, Definitions, and Symbols
4 Classification
5 Requirements
6 Instruments
7 Test Method
8 Test Program
10 Result Calculation
11 Test Report
Appendix A (Informative) Example 16 of Design Daily Load Distribution
Appendix B (Informative) Fluid Flow Measurement Methods
Appendix C (Informative) Example 25 of Equipment Diagram for Cold Storage System
Appendix D (Informative) Test Report

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents".

This document replaces GB/T 26194-2010 "Performance Test Methods for Cold Storage Systems". Compared with GB/T 26194-2010, except for structural adjustments... Aside from integration and editorial changes, the main technical changes are as follows.

a) The definition of the term "design day load distribution" has been changed (see 3.1.20, 2010 version 3.1.20);

b) The descriptions for the two test types, namely, cold storage capacity test and cold storage system cooling capacity test, have been changed [see Chapter 4, b) and c), 2010. [b) and c) in Chapter 4 of the edition;

c) The requirements for the accuracy, precision, and resolution of measuring instruments and their accompanying reading devices have been changed (see Table 2).

1 Scope

This document describes the testing methods for the cooling capacity and efficiency of a cold storage system.

This document applies to the testing of complete cold storage systems.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies to this document.

GB/T 2624 (all parts) Measurement of full-pipe fluid flow rate using a differential pressure device installed in a circular cross-section pipe

GB/T 18517 Refrigeration Terminology

GB/T 18660 Measurement of Flow Rate of Conductive Liquids in Closed Pipes - Method of Using Electromagnetic Flowmeters

3 Terms, Definitions and Symbols

3.1.1 Cool-storage system

A general term for cold storage devices used to meet all or part of the refrigeration load.

Note: This system consists of a refrigeration unit, cold storage medium, cold storage device or container, heat dissipation equipment or system, and other auxiliary equipment, or is a subsystem of the main refrigeration system. system.

3.1.2 Cool-storage device

Containers and cold storage spaces for storing cold energy.

Note: This includes the refrigerant and auxiliary equipment, such as heat exchangers, agitators, circulating pumps, flow regulators, valves, and baffles.

3.1.3 Cool-storage cycle

The alternating process of storing and releasing cold is completed within the cold storage device.

Note: During this process, the system is in the same state at the beginning of cold storage and at the end of cold release.

3.1.4 Cool-storage medium

A cold storage device is a substance used to store cold energy.

3.1.5 Secondary refrigerant

A fluid medium that transfers cooling energy from one place to another.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 33 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 18517Terminology of refrigeration

GB/T 2624 · GB/T 18660

Cited by

Editions of GB/T 26194

Edition	Title	Revision	Status
GB/T 26194-2026	Method of testing the performance of cool storage systems	current edition	Current
GB/T 26194-2010	Method of testing the performance of cool storage systems	previous edition	In force until 1 February 2027

This page sells the current edition, GB/T 26194-2026. Earlier editions are listed for reference only.

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