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GB/T 39038-2020: Ship and marine technology--Technical requirements for liquefied natural gas bunkering dry-disconnect/connect coupling
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39038-2020 | English | 344 |
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Ship and marine technology--Technical requirements for liquefied natural gas bunkering dry-disconnect/connect coupling
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GB/T 39038-2020
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PDF similar to GB/T 39038-2020
Standard similar to GB/T 39038-2020 GB/T 589 GB/T 592 GB/T 17727 GB/T 43121.1 Basic data | Standard ID | GB/T 39038-2020 (GB/T39038-2020) | | Description (Translated English) | Ship and marine technology--Technical requirements for liquefied natural gas bunkering dry-disconnect/connect coupling | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U55 | | Classification of International Standard | 47.020.99 | | Word Count Estimation | 18,133 | | Date of Issue | 2020-07-21 | | Date of Implementation | 2021-02-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39038-2020: Ship and marine technology--Technical requirements for liquefied natural gas bunkering dry-disconnect/connect coupling
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Ship and marine technology--Technical requirements for liquefied natural gas bunkering dry-disconnect/connect coupling
ICS 47.020.99
U55
National Standards of People's Republic of China
Ships and offshore technology LNG bunkering
Technical requirements for dry quick couplings
(ISO 21593.2019, IDT)
2020-07-21 released
2021-02-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 General requirements 2
4.1 General 2
4.2 Basic design principles 2
4.3 Design parameters 4
4.4 Functional requirements 4
4.5 Internal valve 4
4.6 Protective cover/bolt 4
4.7 Handle 5
5 Material 5
5.1 General 5
5.2 Dry quick connector body 5
5.3 Bolt 5
5.4 Spring 5
5.5 Seal 5
5.6 Welding 5
6 Interface type and size 5
7 Mark 7
8 Experiment 7
8.1 General requirements 7
8.2 Test conditions at room temperature 8
8.3 Low temperature test conditions 8
8.4 Test preparation 8
8.5 Shell tightness at room temperature 9
8.6 Shell strength at room temperature 10
8.7 Internal valve tightness at room temperature 10
8.8 Strength of the inner valve at room temperature 10
8.9 Shell tightness at the lowest operating temperature 10
8.10 The internal valve tightness at the lowest operating temperature 10
8.11 Operation test at minimum operating temperature 11
8.12 Conductivity 11
8.13 Manual operating force under frost conditions 11
8.14 Flexural test 11
8.15 Drop test 11
8.16 Durability test 12
8.17 High pressure test 13
Reference 14
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
The translation method used in this standard is equivalent to ISO 21593.2019 ``Ship and Offshore Technology Liquefied Natural Gas Filling Dry Quick Coupler
Technical Requirements.
The Chinese documents that have consistent correspondence with the normatively cited international documents in this standard are as follows.
---GB/T 12467 (all parts) Quality requirements for fusion welding of metallic materials [ISO 3834 (all parts)].
This standard has made the following editorial changes.
---Include the content of ISO 21593.2019 technical errata.
This standard was proposed and managed by the National Marine Machinery Standardization Technical Committee (SAC/TC137).
Drafting organizations of this standard. China Shipbuilding Industry Comprehensive Technology and Economic Research Institute, Wuhan Code Research Institute of China Classification Society, Chengdu Andy Biotech
Co., Ltd., Zhangjiagang Furui Valve Co., Ltd., Wuhan Sanjiang Aerospace Yuanfang Technology Co., Ltd., Hangzhou Xinya Cryogenic Technology Co., Ltd.,
Yantai Taiyue Fluid Technology Co., Ltd., Guangdong CSSC Military-civilian Integration Research Institute Co., Ltd.
The main drafters of this standard. Wei Huaxing, Wu Shunping, Liu Tieying, Tu Huan, Wu Yongfeng, Zeng Xuebing, Lu Jiajun, Yu Feng, Sun Lilong, Xu Jincheng,
Li Run, Lu Jinxin, Shengwei, An Lili, Yang Peng, Zhou Jie, Jiang Bin, Wang Jianrong, Shi Liping, Ma Jun, Cheng Jun.
Ships and offshore technology LNG bunkering
Technical requirements for dry quick couplings
1 Scope
This standard specifies the design, safety and functional minimum requirements, markings, and interface types of liquefied natural gas (LNG) dry quick couplings.
Type and size, test procedures, etc.
This standard is applicable to dry LNG hose bunkering systems installed in LNG bunkering ships, tankers, shore-based facilities and other bunkering facilities.
Type quick couplings are not suitable for hydraulic quick couplings (QCDC) used by rigid loading arms specified in ISO 16904.This standard applies
Used for dry quick couplings with a nominal size of DN25~DN200.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
ISO 3834 (all parts) Quality requirements for fusion welding of metallic materials
metalicmaterials)
ISO 5208.2015 Industrial valves-Pressure testing of metalic valves (Industrialvalves-Pressuretestingofmetalic
valves)
EN1092-1 flanges and their joints (Flanges and their joints)
EN12266-1.2012 Industrial valve metal valve test part 1.pressure test, test procedure and acceptance standard mandatory
Sexual requirements (Industrialvalves-Testingofmetalicvalves-Part 1.Pressuretests, testproceduresandac-
ceptancecriteria-Mandatoryrequirements)
EN12266-2.2012 Industrial Valve Metal Valve Test Part 2.Supplementary Requirements for Test, Test Procedure and Acceptance Standard
(Industrialvalves-Testingofmetalicvalves-Part 2.Tests,testproceduresandacceptancecriteria-Supple-
mentaryrequirements)
ASMEB16.5 pipe flanges and flange accessories (Pipeflangesandflangedfittings)
ASMEB31.3-2018 Processpiping
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Raise bunkering
The operation of delivering LNG fuel to ships.
[ISO 20519.2017, definition 3.1]
3.2
Dry-disconnect
Through equipment design or program practice, the LNG or natural gas discharged into the atmosphere under normal operation is reduced to negligible safety
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