GB21976.6-2012

Escape apparatus for building fire - Part 6: Escape rope

建筑火灾逃生避难器材第6部分：逃生绳

GB 21976.6-2012 é uma norma nacional chinesa obrigatória vigente: Escape apparatus for building fire - Part 6: Escape rope. Setor: Construção. Foco: Segurança de produtos. Entrada em vigor: 1 de jun. de 2013.

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 escape ropes used for single-person evacuation during building fires, consisting of ropes, safety hooks, and optionally safety belts. It is mandatory for manufacturers producing fire escape ropes for the Chinese market. It does not cover other types of escape apparatus like descent devices or escape ladders, which are regulated under different parts of the GB 21976 series.

Requisitos técnicos

The standard specifies the structural and performance requirements for escape ropes. The rope must feature a core-sheath construction with a loop at one end connected to a safety hook. Key parameters include minimum diameter, length tolerances, and minimum breaking strength. The standard also sets limits on the elongation rate when subjected to a specific load percentage of the breaking strength. Safety hooks must be made of metal with a reliable locking mechanism to prevent accidental opening. If a safety belt is included, it must meet specific dimensional requirements and withstand designated tensile loads without rupture. Manufacturers must ensure that all components, including the rope, hooks, and belts, pass strict strength and deformation tests. The standard also mandates specific marking, packaging, and storage instructions to maintain product integrity, referencing GB/T 191 for packaging pictorial marks.

Métodos de ensaio

Testing involves visual inspection for structural integrity and surface quality. Dimensional measurements for length and diameter are taken using general measuring tools. Breaking strength and elongation rate are tested according to GA 494. Safety hooks and belts undergo tensile testing using a tension machine to verify they withstand specified loads without deformation or rupture.

Perguntas frequentes

What products are regulated under GB 21976.6-2012?

GB 21976.6-2012 regulates escape ropes designed for single-person use during building fires, including the rope itself, safety hooks, and optional safety belts.

Is GB 21976.6-2012 a mandatory standard?

Yes, Chapters 4, 6, and 7.1 of GB 21976.6-2012 are mandatory, covering technical requirements, inspection rules, and marking. The remaining chapters are recommended.

What are the key testing methods referenced in this standard?

The standard references GA 494 for testing breaking strength and elongation rates. It also specifies tensile testing procedures for safety hooks and safety belts using a tension machine.

The summary above provides a high-level overview of GB 21976.6-2012. 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 21976.6-2012 today to access all detailed parameters, tables, and testing procedures.

Indicações de aplicabilidade

Tipo: Produto
CCS: C85
ICS: 13.220.10
Órgão competente: National Fire and Rescue Administration
Comitê técnico: National Technical Committee on Fire Protection of Standardization Administration of China