GB/T 12757-2017Thermal protective aids for life-saving (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 12757-1991 "life-saving insulation tools." This standard compared with GB/T 12757-1991, the following main Variety.

--- Modify the standard normative references (see Chapter 2,.1991 edition Chapter 2);

--- Modify the color requirements of thermal insulation equipment (see 5.2.3,.1991 version 5.2.7);

--- Modify the wearing requirements and test methods (see

5.6.2 and 6.6.4,.1991 version 5.3);

--- Modify the cycle of high and low temperature requirements and test methods (see

5.5 and 6.4,.1991 version 5.2.5,

--- Increase in the number of subjects (see 6.5.1,.1991 version 6.6.1.1);

--- Modify the inspection rules (see Chapter 7,.1991 version Chapter 7). This standard by the National Standardization Technical Committee outfitting (SAC/TC129) centralized. This standard was drafted by the China Shipbuilding Industry Institute of Integrated Technology and Economy. The main drafters of this standard. High peak, Wei Wei. This standard was first released in March.1991, this is the first revision. Life-saving insulation appliances

1 Scope

GB/T 12757-2017 is the Chinese national standard on thermal protective aids for life-saving, in the field of shipbuilding and marine structures. The /T suffix marks it as a recommended standard: it is not compulsory by itself, but it becomes binding as soon as a contract, a tender or a customer specification calls it up - which in practice is how most foreign buyers meet it. It was issued on 29 December 2017 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 1 July 2018. Classification: ICS 47.020.50, CCS U27. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This standard specifies the life-saving insulation equipment (hereinafter referred to as insulation equipment) classification, requirements, test methods, inspection rules, signs, packaging And storage. This standard applies to the lifeboat craft, rescue boats and other cold environments in the use of insulation equipment design, manufacture and acceptance.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB 252-2015 ordinary diesel

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Thermal protection thermalprotectiveaids Use low thermal conductivity waterproof material for the wearer insulation bag or clothes.

4 Categories

4.1 Classification Insulation equipment according to the shape is divided into insulation clothing and insulation bags. The basic dimensions according to Table 1. Table 1 basic dimensions in millimeters Type code basic size length Width Insulation clothing Y Insulation bags D >=2000 >=900

4.2 Marking examples Length of.2000mm, width of 900mm insulation clothing marked as.