GB 24537-2025 English PDF

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GB 24537-2025: Fall protection - Guided type fall arrester including a flexible anchor line
Status: Valid

GB 24537: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 24537-2025	439	Add to Cart	4 days	Fall protection - Guided type fall arrester including a flexible anchor line	Valid
GB/T 24537-2009	259	Add to Cart	3 days	Personal fall protection equipment -- Guided type fall arrester including a flexible anchor line	Valid

Basic data

Standard ID: GB 24537-2025 (GB24537-2025)
Description (Translated English): Fall protection - Guided type fall arrester including a flexible anchor line
Sector / Industry: National Standard
Classification of Chinese Standard: C73
Classification of International Standard: 13.340.99
Word Count Estimation: 22,237
Date of Issue: 2025-08-29
Date of Implementation: 2026-09-01
Older Standard (superseded by this standard): GB/T 24537-2009
Issuing agency(ies): State Administration for Market Regulation, National Standardization Administration

GB 24537-2025: Fall protection - Guided type fall arrester including a flexible anchor line

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB24537-2025
ICS 13.340.99 CCSC73 National Standard of the People's Republic of China Replaces GB/T 24537-2009 Self-locking device for flexible guide rails of fall protection belts Released on August 29, 2025 Implementation on September 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Technical Requirements 2 5 Test Method 3 6 Inspection Rules 11 7 Permanent Marking11 8 Information provided by the manufacturer11 Appendix A (Informative) Schematic diagram of the self-locking device with flexible guide rail 12 Appendix B (Normative) Inspection Rules 13 Reference 14 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 24537-2009 "Self-locking devices for flexible guide rails of fall protection belts" and is consistent with GB/T 24537-2009. In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The scope has been changed (see Chapter 1, Chapter 1 of the.2009 edition); b) The definitions of self-locking device, flexible guide rail, connecting rope, connector, and fall distance have been changed (see 3.1, 3.2, 3.4, 3.6, 3.12,.2009 Versions 3.2, 3.1, 3.6, 3.5, and 3.9); c) The definitions of safety rope, buffer, opening device and descent distance have been deleted (see 3.3, 3.4, 3.7 and 3.8 of the.2009 edition); d) Added self-locking device with flexible guide rail, buffer device, blocking device, maximum rated load, minimum rated load, guide bracket, lock Terms and definitions of stopping distance (see 3.3, 3.5, 3.7 to 3.11); e) Change “General Principles” and “General Requirements” to “Design and Construction” (see 4.1, 4.1 and 4.2 of the.2009 edition); f) The overall static performance technical requirements and test methods have been modified (see 4.2.1, 5.2.1, and 4.3 and 5.1 of the.2009 edition); g) Added technical requirements and test methods for static performance of buffer devices (see 4.2.2 and 5.2.2); h) The technical requirements and test methods for static performance of guide rails have been modified (see 4.2.3, 5.2.3, and 4.5 and 5.3 of the.2009 edition); i) Changed “overall dynamic load performance” to “dynamic performance” and changed the technical requirements and test methods (see 4.3, 5.3, 4.4 and 5.2 of the.2009 edition); j) The technical requirements for “locking performance under special circumstances” have been modified (see 4.6, 4.8 of the.2009 edition); k) The test method has been changed (see Chapter 5, Chapter 5 of the.2009 edition); l) Change “marking” to “permanent marking” (see Chapter 7, 7.1 and 7.2 of the.2009 edition); m) The content of “Information provided by the manufacturer” has been changed (see Chapter 8, 7.3 of the.2009 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated 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 published in.2009 as GB/T 24537-2009; ---This is the first revision. Self-locking device for flexible guide rails of fall protection belts

1 Scope

This document specifies the technical requirements, inspection rules, permanent marking and information to be provided by the manufacturer for self-locking devices with flexible guide rails. Corresponding test methods. This document applies to self-locking devices with flexible guide rails installed within an angle of 15° from the vertical direction.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB 6095 Fall protection safety belt GB/T 10125 Artificial atmosphere corrosion test Salt spray test GB/T 12903 Terminology of Personal Protective Equipment GB 23469 Fall protection connector

3 Terms and Definitions

The terms and definitions defined in GB/T 12903 and the following apply to this document. 3.1 A component attached to the guide rail that can slide along the guide rail as the user moves, and the falling action triggers a braking effect. 3.2 Flexible guide rail flexible anchor line When in use, the self-locking device (3.1) is hung on the flexible connecting part of the upper hanging point, and the self-locking device (3.1) slides on the guide rail. When falling, the self-locking device can be locked in On the guide rail. Note. Flexible guide rails are usually fiber ropes, wire ropes or webbings. 3.3 A component consisting of a self-locking device (3.1) and a flexible guide rail (3.2) forming part of a fall protection system. Note. The self-locking device and flexible guide rail are tested, confirmed and used as a whole. See Appendix A for a schematic diagram of the structure. 3.4 connecting line Part used to connect the self-locking device (3.1) and the lacing connection point. Note. The connecting rope is usually a safety rope, a buffer device, a connector or any combination of the three. 3.5 A component used to absorb impact energy in a self-locking device (3.1) with a flexible guide rail (3.2). ......

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