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GB/T 5744-2023: Marine pneumatic quick-closing valves
Status: Valid GB/T 5744: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5744-2023 | English | 409 |
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4 days [Need to translate]
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Marine pneumatic quick-closing valves
| Valid |
GB/T 5744-2023
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| GB/T 5744-2008 | English | 399 |
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3 days [Need to translate]
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Marine quick-closing valves
| Obsolete |
GB/T 5744-2008
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| GB/T 5744-1993 | English | 279 |
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3 days [Need to translate]
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Quick shutting valve for marine use
| Obsolete |
GB/T 5744-1993
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PDF similar to GB/T 5744-2023
Basic data | Standard ID | GB/T 5744-2023 (GB/T5744-2023) | | Description (Translated English) | Marine pneumatic quick-closing valves | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U52 | | Classification of International Standard | 47.020.30 | | Word Count Estimation | 20,213 | | Date of Issue | 2023-11-27 | | Date of Implementation | 2024-03-01 | | Older Standard (superseded by this standard) | GB/T 5744-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 5744-2023: Marine pneumatic quick-closing valves---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.
ICS 47:020:30
CCSU52
National Standards of People's Republic of China
Replace GB/T 5744-2008
Marine pneumatic quick closing valve
Published on 2023-11-27
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
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 5744-2008 "Marine Quick Closing Valve": Compared with GB/T 5744-2008, except for structural adjustments and editorial changes,
In addition, the main technical changes are as follows:
a) The product type has been changed (see 4:1, 3:1 of the:2008 edition);
b) The nominal pressure and nominal dimensions of the product have been changed (see 4:2, 3:2 of the:2008 edition);
c) Added design content (see 4:3);
d) Changed the structure and basic dimensions (see 4:4, 3:3 of the:2008 edition);
e) Added the cylinder body strength and sealing test requirements (see 5:2:2 and 5:3:2), and the corresponding test methods (see 6:2:2 and
6:3:2);
f) The marking of the quick-closing valve has been changed (see 4:5, 3:4 of the:2008 edition):
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed and coordinated by the National Marine Machinery Standardization Technical Committee (SAC/TC137):
This document was drafted by: Hudong-Zhonghua Shipbuilding (Group) Co:, Ltd:, Shanghai Hailufeng Marine Valve Co:, Ltd:, China State Shipbuilding Corporation
Co:, Ltd: Comprehensive Technical and Economic Research Institute, Zhejiang Jingjia Valve Co:, Ltd:, Jiangsu Nantong Shifa Marine Machinery Co:, Ltd:, Huazhong University of Science and Technology,
Shanghai Hudong Shipbuilding Valve Co:, Ltd:
The main drafters of this document: Jin Bingguang, Liu Jun, Wu Yongfeng, Jin Fengsheng, Jiang Yufeng, Weng Wuxiu, Xu Kun, Liu Yang, Sun Zhenbing, Pan Song,
Geng Haiping, Zhang Lei, Zong Xiaochun, Zhang Chuangang, Lu Wei, Wang Yanpo, Yin Quan:
This document was first published in 1985, revised for the first time in:1993, revised for the second time in:2008, and this is the third revision:
Marine pneumatic quick closing valve
1 Scope
This document specifies the classification of marine pneumatic quick-closing valves (hereinafter referred to as quick-closing valves) whose flange connection dimensions are in accordance with CB/T 4196 and GB/T 2501:
Classification and marking, technical requirements, test methods, inspection rules, packaging and storage:
This document applies to the design, manufacture and acceptance of quick-closing valves for ship piping systems:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB/T 150:4-2011 Pressure vessels Part 4: Manufacturing, inspection and acceptance
GB/T 229 Charpy pendulum impact test method for metal materials
GB/T 600 General technical conditions for ship pipeline valves
GB/T 699-2015 High-quality carbon structural steel
GB/T 1176-2013 Cast copper and copper alloys
GB/T 1184-1996 Shape and position tolerances No tolerance values noted
GB/T 1220-2007 Stainless steel rods
GB/T 1222-2016 Spring Steel
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without tolerances noted
GB/T 1958 Product Geometric Technical Specification (GPS) Geometric Tolerance Detection and Verification
GB/T 2501 Marine flange connection dimensions and sealing surfaces
GB/T 3032 Marking of marine valves and piping accessories
GB/T 4423-2020 Copper and copper alloy drawn rods
GB/T 12224 General requirements for steel valves
GB/T 12229-2005 Technical conditions for carbon steel castings of general valves
GB/T 12230-2005 Technical conditions for stainless steel castings of general valves
GB/T 19845-2005 Vibration test requirements for mechanical vibration ship equipment and mechanical components
CB/T 4196 Marine flange connection dimensions and sealing surfaces
CB/T 4299-2013 Marine carbon steel and carbon manganese steel castings
CB/T 4456-2017 Low-pressure pipe threaded joints
HG/T 2579-2008 O-shaped rubber sealing ring materials for general hydraulic systems
QB/T 4041-2010 PTFE rod
YB/T 5318-2010 Alloy spring steel wire
3 Terms and definitions
There are no terms or definitions to be defined in this document:
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