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GB/T 42341-2023 English PDF

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GB/T 42341-2023: Centrifugal dredge pump
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 42341-2023359 Add to Cart 4 days Centrifugal dredge pump Valid

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Basic data

Standard ID: GB/T 42341-2023 (GB/T42341-2023)
Description (Translated English): Centrifugal dredge pump
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U34
Classification of International Standard: 47.020.99
Word Count Estimation: 18,130
Date of Issue: 2023-03-17
Date of Implementation: 2023-10-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42341-2023: Centrifugal dredge pump

---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 47.020.99 CCSU34 National Standards of People's Republic of China Dredger Centrifugal Dredge Pump Released on 2023-03-17 2023-10-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Type and structure 3 5 Technical Requirements 6 6 Test method 9 7 Inspection rules 10 8 Labeling, packaging, transportation and storage 12 Appendix A (Normative) Dredge Pump Efficiency Curve 13

foreword

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. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the Ministry of Transport of the People's Republic of China. This document is under the jurisdiction of the National Port Standardization Technical Committee (SAC/TC530). This document was drafted by. CCCC Tianjin Dredging Co., Ltd., CCCC (Tianjin) Dredging Engineering Co., Ltd., China Communications Construction Co., Ltd. Co., Ltd., CCCC Yantai Environmental Dredging Co., Ltd., CCCC Tianhang Southern Communications Construction Co., Ltd., CCCC Shanghai Dredging Co., Ltd., CCCC Guangzhou Waterway Bureau Co., Ltd., CCCC (Suzhou) Urban Development and Construction Co., Ltd., CCCC Dredging (Group) Co., Ltd., Ministry of Transport Academy of Sciences, Tianjin Institute of Standardization. The main drafters of this document. Liu Ruixiang, Gu Ming, Qin Liang, Zheng Xuanbin, Tian Yuan, Zhang Junqing, Wang Jian, Yang Zhengjun, Liu Feng, Tian Junfeng, Zhong Zhisheng, Kong Fanzhen, Zheng Biqian, Chai Guijun, Feng Chen, Tian Guiping, Chang Liuhong, Xin Qingzheng. Dredger Centrifugal Dredge Pump

1 Scope

This document specifies the structure and type, technical requirements, test methods, inspection rules, marking, packaging, transportation and transport and storage. This document is applicable to the design, manufacture and acceptance of dredger centrifugal dredge pumps (hereinafter referred to as "dredge pumps").

2 Normative references

The content in the following documents constitutes the essential provisions of this document through normative references in the text. Among them, dated references Only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies in this document. GB/T 700 carbon structural steel GB/T 1184-1996 Tolerance of shape and position without tolerance value GB/T 1220 stainless steel rod GB/T 1348 ductile iron castings GB/T 1800.2-2020 Product Geometric Specifications (GPS) Linear Dimensional Tolerances ISO Code System Part 2.Standard Tolerances Differential zone code and limit deviation table of hole and shaft GB/T 1804-2000 General tolerances Tolerances of linear and angular dimensions without tolerances GB/T 3077 Alloy structural steel GB/T 3098.1-2010 Mechanical properties of fasteners Bolts, screws and studs GB/T 6414-2017 Dimensional tolerances, geometric tolerances and machining allowances of castings GB/T 7233.1-2009 Ultrasonic testing of steel castings Part 1.General purpose steel castings GB/T 8263 Anti-wear white iron castings GB/T 8923.1-2011 Visual assessment of surface cleanliness of steel surface treatment before coating - Part 1.Uncoated The rust level and treatment level of the steel surface and the steel surface after the original coating has been completely removed GB/T 9239.1-2006 Mechanical vibration constant (rigid) rotor balance quality requirements Part 1.Specifications and balance tolerances test GB/T 11351-2017 Casting Weight Tolerance GB/T 11352 Cast carbon steel parts for general engineering GB/T 13306 Signage GB/T 18149 Centrifugal pumps, mixed flow pumps and axial flow pumps hydraulic performance test specification precision grade GB/T 19418-2003 Guidelines for quality classification of arc welded joint defects in steel JB/T 8467-2014 Ultrasonic testing of steel forgings

3 Terms and Definitions

The following terms and definitions apply to this document.
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