GB/T 4543-2023Pyrotechnic distress signals (English PDF)

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/T 4543-2008 "Ship Pyrotechnic Signals" and GB/T 3107-2008 "Self-illuminating floating lights and spontaneous smoke for lifebuoys" "Fog Combination Signal", compared with GB/T 4543-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows:

a) Changed classification and labeling examples (see 4.1, 4.2, 4.1, 4.2 of the 2008 version);

b) Added requirements and test methods for spontaneous smoke signal release of lifebuoys (see 5.2.3 and 6.4.2);

c) Changed the color requirements for rocket parachute flame signals and handheld flame signals (see 5.3.5, 5.4.3, 2008 version of 5.2.5.5, 5.2.6.3);

d) Change the smoke shielding rate to smoke concentration (see 5.5.3, 5.2.7.3 of the 2008 version);

e) Added temperature requirements in the basic performance parameter test of floating smoke signals (see 6.8.1);

f) The validity period in the change mark is the expiration date (see 8.1, 8.1 of the 2008 version).

1 Scope

This document specifies the classification and marking, technical requirements, test methods, inspection rules, and standards of life-saving pyrotechnic signals (hereinafter referred to as pyrotechnic signals). Logging, packaging, storage and transportation.

This document applies to the design, manufacture and acceptance of pyrotechnic signals configured on life-saving equipment.

2 Normative reference documents

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document.

4 Classification and tagging