GB24544-2023

Fall protection—Retractable type fall arrester

坠落防护速差自控器

GB 24544-2023 é uma norma nacional chinesa obrigatória vigente: Fall protection—Retractable type fall arrester. Setor: Médico. Foco: Segurança de produtos. Entrada em vigor: 1 de jan. de 2025.

A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.

Visão geral de conformidade

Esta visão geral está disponível por enquanto apenas em inglês.

Escopo e aplicabilidade

This standard applies to retractable type fall arresters used for working at heights. It covers the classification, marking, technical requirements, and testing methods for these devices. It is mandatory for all manufacturers and suppliers of fall protection equipment entering the Chinese market. The standard specifically addresses devices with webbing, fiber rope, or steel wire rope lifelines, and includes requirements for special performance features like integral rescue facilities, dust resistance, oil resistance, and horizontal installation.

Requisitos técnicos

The standard specifies comprehensive technical requirements for retractable type fall arresters. General requirements mandate smooth surfaces without burrs, rotating devices at connection points, and a maximum rated load of not less than 100kg. The lifeline must withstand specific static strength tests without breaking, with minimum diameter requirements for steel wire ropes. For static performance, the device must endure specified test forces for 5 minutes without component failure or connector opening. External energy absorbers must meet permanent deformation limits and withstand high static loads. The dynamic performance requirements ensure the device can self-lock during a fall, with impact forces not exceeding 6kN and fall distances limited to 2 meters. The standard also defines requirements for retraction performance, corrosion resistance, and self-locking reliability under repeated use. Special technical performance covers additional features. Devices with integral rescue facilities must have control mechanisms that can be activated within 20 seconds and prevent uncontrolled descent. For horizontal installation, the arrester must pass edge tests, maintaining self-locking capability and structural integrity during dynamic events.

Métodos de ensaio

The standard outlines rigorous testing procedures including: Static strength testing of lifelines and overall devices using force loading equipment; Dynamic performance testing under various pre-treatment conditions (normal temperature, high temperature, low temperature, and water immersion) to measure impact force and fall distance; Corrosion resistance testing via neutral salt spray exposure; Self-locking reliability testing through 1000 repetitive cycles; and specialized tests for dust resistance, oil resistance, and horizontal installation performance involving sharp edge dynamic tests.

Perguntas frequentes

What products are regulated under GB 24544-2023?

GB 24544-2023 regulates retractable type fall arresters used for fall protection at heights. This includes devices with webbing, fiber rope, or steel wire rope lifelines, as well as those with special features like integral rescue devices or horizontal installation capabilities.

Are there any updates from the previous version of GB 24544-2023?

Yes, compared to the 2009 version, this update includes new definitions for energy absorbers and anchor devices, modified classification and marking methods, added requirements for external energy absorbers and horizontal installation performance, and updated testing methods for dynamic performance and retraction.

How does GB 24544-2023 relate to international standards?

The standard references international and regional standards such as ISO 10333-3:2002 and EN 360:2002 in its bibliography, indicating an alignment with global practices for self-retracting lifelines and fall arresters, while incorporating specific Chinese market requirements.

The summary above provides a high-level overview of GB 24544-2023. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 24544-2023 today to access all detailed parameters, tables, and testing procedures.

Indicações de aplicabilidade

Tipo: Produto
CCS: C73
ICS: 13.340.99
Órgão competente: Ministry of Emergency Management
Comitê técnico: National Technical Committee on Personal Protective Equipment of Standardization Administration of China

Relações

Substitui:GB 24544-2009