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GB/T 21476-2024 English PDF

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GB/T 21476-2024: Ships and marine technology - Fire resistance of non-metallic hose assemblies and non-metallic compensators - Requirements for the test bench
Status: Valid

GB/T 21476: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 21476-2024224 Add to Cart 3 days Ships and marine technology - Fire resistance of non-metallic hose assemblies and non-metallic compensators - Requirements for the test bench Valid
GB/T 21476-2008174 Add to Cart 3 days Ships and marine technology -- Fire resistance of hose assemblies -- Requirements for the test bench Valid

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GB/T 33484   GB/T 21477   GB/T 21476   

Basic data

Standard ID: GB/T 21476-2024 (GB/T21476-2024)
Description (Translated English): Ships and marine technology - Fire resistance of non-metallic hose assemblies and non-metallic compensators - Requirements for the test bench
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U23
Classification of International Standard: 47.020.50
Word Count Estimation: 11,178
Date of Issue: 2024-10-26
Date of Implementation: 2025-02-01
Older Standard (superseded by this standard): GB/T 21476-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 21476-2024: Ships and marine technology - Fire resistance of non-metallic hose assemblies and non-metallic compensators - Requirements for the test bench


---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/GBT21476-2024
ICS 47.020.50 CCSU23 National Standard of the People's Republic of China Replaces GB/T 21476-2008 Ships and offshore technology non-metallic hose assemblies and Requirements for fire resistance test bench for non-metallic compensators (ISO 15541.2016, IDT) Released on October 26, 2024 Implementation on February 1, 2025 State Administration for Market Regulation The National Standardization Administration issued

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 21476-2008 "Requirements for fire resistance test bench for ships and offshore technology hose assemblies" and Compared with GB/T 21476-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed the scope of application (see Chapter 1, Chapter 1 of the.2008 edition); --- Changed the specimen connection arrangement operating height (see 4.2.1, 4.2.1 of the.2008 edition); --- Deleted Figure 2 (see Figure 2 of the.2008 edition); --- Changed the adjusted working pressure (see 4.3, 4.3 of the.2008 edition); --- Changed the working pressure of the water circuit [see 4.4.3.1d), 4.4.3.1d of the.2008 edition] This document is equivalent to ISO 15541.2016 "Fire resistance of non-metallic hose assemblies and non-metallic compensators for ships and offshore technology" Test bench requirements. 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 National Technical Committee for Standardization of Marine Machinery (SAC/TC137). This document was drafted by. China Shipbuilding Industry Corporation Comprehensive Technology and Economic Research Institute, Yantai Harbin Engineering University Research Institute, Quanzhou Shanhe Fire Fighting Technology Co., Ltd., Zhejiang Changxing Xiaoxiang Ship Fire Fighting Equipment Technology Co., Ltd., and China Classification Society Shanghai Specifications Research Institute. The main drafters of this document are. Sun Meng, Chen Guoqing, Song Enzhe, Huang Yashu, Li Chunming, Ma Fei, and Sui Guoce. This document was first published in.2008 and this is the first revision. Ships and offshore technology non-metallic hose assemblies and Requirements for fire resistance test bench for non-metallic compensators

1 Scope

This document specifies the test methods for determining the fire resistance of non-metallic hose assemblies and non-metallic compensators with a nominal diameter not exceeding 150 mm. When the test bench meets the requirements, this document is also applicable to the determination of the resistance of non-metallic hose assemblies and non-metallic compensators with larger nominal diameters. Fire performance. When exposed to flames, the test bench can withstand a working pressure not exceeding 1.6 MPa. The flame propagation capability of non-metallic hose assemblies and non-metallic compensators cannot be tested using the test bench specified in this document. The test medium is only water. To ensure that the operator can For the safety of the test bench, flammable test media are not allowed to be used.

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/T 21477-2024 Shipbuilding and offshore technology - Test method for fire resistance of non-metallic hose assemblies and non-metallic compensators (ISO 15540.2016, IDT) IEC 60051-1.2016 DC acting indicating and simulating electrical measuring devices and their accessories Part 1.Definitions and general requirements for all components 1) There is no technical difference between the referenced content of IEC 60051-1.2016 and the referenced content of IEC 60051-1.1997.

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 fireresistance In standard fire resistance tests, components, parts or structural elements meet the required stability, integrity and resistance, thermal insulation and/or other desired specific performance capabilities.

4 Requirements

4.1 Test bench components The test bench shall consist of the following parts (see Figure 1). --- Combustion chamber with test piece connection equipment, burner and exhaust manifold (see 4.2);
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