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Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 43683.3-2025: Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbines Status: Valid
Basic dataStandard ID: GB/T 43683.3-2025 (GB/T43683.3-2025)Description (Translated English): Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbines Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K55 Classification of International Standard: 27.140 Word Count Estimation: 34,342 Date of Issue: 2025-08-01 Date of Implementation: 2026-02-01 Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China GB/T 43683.3-2025: Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbines---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/GBT43683.3-2025 ICS 27.140 CCSK55 National Standard of the People's Republic of China Installation procedures and tolerance guidelines for hydro-generator sets Part 3.Vertical Francis turbine or pump turbine (IEC 63132-3.2020, IDT) Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Installation Flowchart 1 4.1 Embedded components of turbine 1 4.2 Turbine body parts 3 5.Installation Step 4 5.1 Embedded components of turbine 4 5.1.1 Step 1.Measurement reference setting 4 5.1.2 Step 2.Installation of main pre-buried pipelines and tailwater pipe lining foundation 4 5.1.3 Step 3.Pre-embedded tailwater pipe lining foundation 4 5.1.4 Step 4.Confirmation of tailwater pipe lining foundation and installation area 5.1.5 Step 5.Handover to Installation 5 5.1.6 Step 6.Installation of tailwater pipe lining support 5 5.1.7 Step 7.Installation of tailwater pipe lining 5 5.1.8 Step 8.Installation of pre-buried pipes around the tailwater pipe lining 7 5.1.9 Step 9.Handover to Concrete Pouring Phase 8 5.1.10 Step 10.Burying the tailwater pipe lining 8 5.1.11 Step 11.Concrete void inspection 9 5.1.12 Step 12.Draft tube lining grouting 9 5.1.13 Step 13.Hand over to installation 10 5.1.14 Step 14.Dimensional inspection of tailwater pipe after installation 5.1.15 Step 15.Install the seat ring and volute support 10 5.1.16 Step 16.Seat ring installation 11 5.1.17 Step 17.Volute Installation 11 5.1.18 Step 18.Pit lining and/or servomotor base plate installation 13 5.1.19 Step 19.Install the embedded pipe around the volute 13 5.1.20 Step 20.Volute hydrostatic test 14 5.1.21 Step 21.Handover to Concrete Placement Stage 14 5.1.22 Step 22.Pour to the generator layer 15 5.1.23 Step 23.Grouting of the remaining embedded components of the turbine 15 5.1.24 Step 24.Hand over to installation 15 5.1.25 Step 25.Check the volute dimensions after concrete pouring 15 5.1.26 Step 26.Anti-corrosion of embedded components 16 5.1.27 Step 27.Turbine embedded components completed 16 5.1.28 Step 28.Installation of turbine body components 16 5.2 Turbine body parts 16 5.2.1 Step 1.Complete the embedded components of the turbine 16 5.2.2 Step 2.Seat ring processing (if necessary) 16 5.2.3 Step 3.Installation of tailwater cone 17 5.2.4 Step 4.Bottom ring installation 17 5.2.5 Step 5.Turbine runner installation 18 5.2.6 Step 6.Turbine shaft installation 18 5.2.7 Step 7.Connecting the turbine runner and main shaft 19 5.2.8 Step 8.Guide vane installation 19 5.2.9 Step 9.Top cover installation 19 5.2.10 Step 10.Spindle seal assembly 21 5.2.11 Step 11.Guide bearing seat assembly 21 5.2.12 Step 12.Control Ring Installation 21 5.2.13 Step 13.Servo Installation 21 5.2.14 Step 14.Install the guide vane arm and connecting rod 22 5.2.15 Step 15.The turbine shaft is in a free state 22 5.2.16 Step 16.Generator Installation 23 5.2.17 Step 17.Connect the turbine and generator shaft 23 5.2.18 Step 18.Axis Adjustment 23 5.2.19 Step 19.Final installation of the spindle seal 24 5.2.20 Step 20.Turbine guide bearing assembly and adjustment 25 5.2.21 Step 21.Final adjustment of the guide vane operating mechanism 25 5.2.22 Step 22.Installation of the remaining components of the turbine is completed 25 5.2.23 Step 23.Cleaning, coating and inspection before first test 25 5.2.24 Step 24.Turbine body parts completed 26 5.2.25 Step 25.Debugging 26 Reference 27 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 is Part 3 of GB/T 43683 "Guidelines for installation procedures and tolerances of hydro-generator sets". GB/T 43683 has been published. The following sections. --- Part 1.General provisions; --- Part 2.Vertical generators; --- Part 3.Vertical Francis turbine or pump turbine. This document is equivalent to IEC 63132-3.2020 "Hydrogenerator Installation Procedures and Tolerance Guidelines Part 3.Vertical Francis Water Generator Sets" turbine or pump-turbine. 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 by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee for Standardization of Hydraulic Turbines (SAC/TC175). This document was drafted by. China Three Gorges Corporation, China Three Gorges Construction (Group) Co., Ltd., China Gezhouba Group Corporation China Power Construction Co., Ltd., China Three Gorges Wuhan Science and Technology Innovation Park, Datang Hydropower Science and Technology Research Institute Co., Ltd., China Power Construction Group Chengdu Survey and Design Design Research Institute Co., Ltd., Harbin Electric Machinery Factory Co., Ltd., Dongfang Electric Corporation Dongfang Electric Corporation, China Yangtze Power Co., Ltd. Co., Ltd., Hubei Energy Group Co., Ltd., China Water Resources and Hydropower First Engineering Bureau Co., Ltd., State Grid Xinyuan Holdings Co., Ltd., China Southern Power Grid Peaking and Frequency Regulation Power Generation Co., Ltd. Engineering Construction Management Branch, Chongqing Hydro Turbine Factory Co., Ltd., Datang Tibet Energy Development Co., Ltd., Xihua University. The main drafters of this document are. Liu Jie, Zhao Hua, Yang Nianhao, Chen Qiang, Wang Xianqi, Leng Rui, Zhang Haiku, Yu Hechun, Jiang Dengyun, Chen Hongyu, Wang Jianming, Wen Yu, Liang Quanwei, Zhang Jinjing, He Ziyu, Tan Taoyu, Li Honghui, Sun Wencai, Liu Gongmei, Wu Wei, Ma Long, Li Guoya, Hu Qingjuan, Wei Chunlei, Dai Jiang, Xu Jun, Deng Haifeng, Li Jingchun, Su Shuxin, Liu Daqing, Yan Changming, and Liu Xiaobing.introductionHydropower construction has an important strategic position in my country's energy development and plays an important role in the national economy. The requirements for the development of motor groups towards multiple models, high parameters, high efficiency and low consumption, safety, and environmental protection are constantly increasing, and the country has clearly stated in the "14th Five-Year Plan" that It is proposed to steadily promote the construction of conventional hydropower projects and accelerate the construction of pumped storage power stations. On this basis, the relevant installation and inspection of the turbine generator set are studied accordingly, and the relevant installation and inspection of the turbine generator set are developed, which is suitable for the mixed flow, axial flow propeller or axial flow constant flow turbine. Installation, inspection standards and specifications for propeller-type, bulb-type and impulse-type hydro-turbine generator sets. GB/T 43683 "Guidelines for installation procedures and tolerances of hydro-generator sets" is intended to consist of six parts. --- Part 1.General. The purpose is to specify the general technical requirements for the installation of hydro-generator sets. --- Part 2.Vertical generator. The purpose is to standardize the installation procedures and step requirements of vertical generators. --- Part 3.Vertical Francis turbine or pump turbine. The purpose is to standardize vertical Francis turbine or pump turbine Installation procedures and step requirements. --- Part 4.Vertical axial flow propeller or axial flow fixed blade turbine. The purpose is to standardize vertical axial flow propeller or axial flow fixed blade turbine Turbine installation procedures and step requirements. --- Part 5.Bulb tubular hydropower unit. The purpose is to standardize the installation procedures and step requirements of bulb tubular hydropower units. --- Part 6.Vertical Pelton turbine. The purpose is to standardize the installation procedures and step requirements for vertical Pelton turbines. Installation procedures and tolerance guidelines for hydro-generator sets Part 3.Vertical Francis turbine or pump turbine 1 Scope This document gives the general installation procedures and tolerance requirements for vertical Francis turbines or pump turbines. This document describes a general installation process. In this document, "turbine" refers to a vertical Francis turbine or pump turbine. The size of the components, the design of the unit, the layout of the power plant or the lead time of the components may result in the addition of additional steps, the elimination of certain steps and/or Changes in installation order. This document is binding only if both parties agree to it. This document is not intended for purely commercial purposes unless it is inextricably linked to unit installation. Different standards may specify different tolerances. The tolerances in this document are based on common practice and experience. Regardless of whether this document specifies that the manufacturer shall provide documents, drawings or information, each manufacturer shall provide the necessary Related information. 2 Normative references This document has no normative references. 3 Terms and Definitions There are no terms or definitions that require definition in this document. 4 Installation Flowchart 4.1 Embedded components of turbine The general installation procedure for embedded components of turbine is shown in Figure 1. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 43683.3-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 43683.3-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 43683.3-2025_English with my colleagues?Answer: Yes. 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