GB 24544-2023 English PDF

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GB 24544-2023: Fall protection - Retractable type fall arrester
Status: Valid

GB 24544: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 24544-2023	529	Add to Cart	5 days	Fall protection - Retractable type fall arrester	Valid
GB 24544-2009	599	Add to Cart	3 days	Personal fall protection equipment -- Retractable type fall arrester	Obsolete

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Basic data

Standard ID: GB 24544-2023 (GB24544-2023)
Description (Translated English): Fall protection - Retractable type fall arrester
Sector / Industry: National Standard
Classification of Chinese Standard: C73
Classification of International Standard: 13.340.99
Word Count Estimation: 26,261
Date of Issue: 2023-12-28
Date of Implementation: 2025-01-01
Older Standard (superseded by this standard): GB 24544-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB 24544-2023: Fall protection - Retractable type fall arrester

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 13:340:99 CCSC73 National Standards of People's Republic of China Replace GB 24544-2009 Fall protection speed difference automatic controller Published on 2023-12-28 Implemented on 2025-01-01 State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Classification and tagging 2 4:1 Category 2 4:2 Mark 2 5 Technical requirements 3 5:1 General requirements for speed difference automatic controller 3 5:2 Safety rope 3 5:3 Static performance 4 5:4 Overall dynamic performance 4 5:5 Dynamic performance of speed difference automatic controller with all safety ropes pulled out 4 5:6 Shrinkage performance 4 5:7 Corrosion resistance 4 5:8 Self-locking reliability 4 5:9 Special technical performance 4 6 Test Method 6 6:1 General requirements 6 6:2 Speed difference automatic controller safety rope strength test 6 6:3 Static performance test 6 6:4 Overall dynamic performance test 7 6:5 Dynamic performance test with all safety ropes pulled out 9 6:6 Shrinkage performance test 10 6:7 Corrosion resistance test 10 6:8 Self-locking reliability test 10 6:9 Overall rescue device performance test 10 6:10 Dust resistance performance test 11 6:11 Oil stain resistance performance test 12 6:12 Locking performance test 12 6:13 Horizontal installation performance test 13 7 Inspection Rules 15 8 Permanent identification15 9 Information provided by the manufacturer15 Appendix A (Normative) Inspection Rules 17 A:1 Inspection Category 17 A:2 Factory inspection17 A:3 Type inspection17 Appendix B (informative) Preventive inspection of products in use18 Reference 20 Table 1 Classification marks of speed difference automatic controller 3 Table 2 Speed difference automatic controller safety rope strength test force value requirements 3 Table 3 Overall static performance test force value requirements 4 Table 4 Residual strength test force value requirements 5 Table A:1 Factory inspection17 Table B:1 Preventive inspection methods and contents of speed difference automatic controller18 Table B:2 Speed difference automatic controller preventive inspection record 19 Figure 1 Dynamic performance test illustration 8 Figure 2 Example of dynamic performance test with all safety ropes pulled out 9 Figure 3 Schematic diagram of dust test chamber12 Figure 4 Horizontal installation dynamic performance test illustration 14

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" Drafting: This document replaces GB 24544-2009 "Fall Protection Speed Difference Automatic Controller": Compared with GB 24544-2009, except for structural adjustment and compilation In addition to editorial changes, the main technical changes are as follows: a) Changed the scope (see Chapter 1, Chapter 1 of the:2009 edition); b) Added terms and definitions for buffer device, safety rope length, hanging point device, maximum rated load, and minimum rated load (see 3:4, 3:7, 3:9, 3:10, 3:11); c) Changed the definitions of speed difference automatic controller, overall rescue device, connector, fall indicator, and fall distance (see 3:1, 3:2, 3:5, 3:6, 3:8,:2009 version 3:1, 3:2, 3:5, 3:6, 3:9); d) The terms and definitions of buffer and minimum locking test mass are deleted (see 3:4 and 3:8 of the:2009 edition); e) Changed the classification and marking method of speed difference automatic controller (see Chapter 4, Chapter 4 of the:2009 edition); f) The general requirements for speed difference automatic controllers have been changed (see 5:1, 5:2 of the:2009 edition); g) The technical requirements for the safety rope of the speed difference automatic controller have been changed (see 5:2, 5:2:2 of the:2009 edition); h) Added test requirements for the strength of the safety rope of the speed difference automatic controller (see 5:2:2); i) Added static performance technical requirements for external buffer devices (see 5:3:2); j) The technical requirements for the overall rescue device have been changed (see 5:9:1, 5:3:4 of the:2009 version); k) Added technical requirements for horizontal installation performance (see 5:9:4); l) Added the test method for the strength of the safety rope of the speed difference automatic controller (see 6:2); m) Added test methods for static performance of buffer devices (see 6:3:2); n) Changed the test method of overall dynamic performance (see 6:4, 6:2 of the:2009 version); o) Changed the test method for shrinkage performance (see 6:6, 5:3:5 of the:2009 version); p) The determination of the minimum test weight is deleted (see 6:8:2 of the:2009 version); q) Added test method for horizontal installation performance (see 6:13); r) Added information provided by the manufacturer (see Chapter 9): Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed and managed by the Ministry of Emergency Management of the People's Republic of China: The previous versions of this document and the documents it replaces are as follows: ---First released in:2009 as GB 24544-2009; ---This is the first revision: Fall protection speed difference automatic controller

1 Scope

This document gives the classification of differential speed automatic controllers and stipulates the marking, technical requirements, permanent identification and information provided by the manufacturer of differential speed automatic controllers: Information, describing the test methods and inspection rules for speed differential automatic controllers: This document is applicable to speed differential automatic controllers used in high-altitude operations:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 706-2016 Hot rolled steel sections GB/T 10125 Artificial atmosphere corrosion test salt spray test GB 30862-2014 Fall protection hanging point device

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 A device capable of triggering a locking braking action due to changes in speed in the event of a fall: Note: Includes ropes or straps that can expand and contract as people move: 3:2 integral-rescuefacility A rescue component that is completely integrated with the speed differential automatic controller: Note 1: It is used for rescuers to lift or lower people suspended by the speed difference automatic controller: Note 2: The overall rescue device is divided into two types: one-way and two-way: 3:3 A retractable rope or strap in a differential speed controller: 3:4 energyabsorber A component that absorbs part of the impact energy and reduces the impact force when a fall occurs: 3:5 connectorconnector A component with a normally closed valve that connects and separates the various components of the falling system: ......

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