GB/T 44519-2024 English PDFUS$449.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 44519-2024: Industrial valves - Gearbox for valves Status: Valid
Basic dataStandard ID: GB/T 44519-2024 (GB/T44519-2024)Description (Translated English): Industrial valves - Gearbox for valves Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J16 Classification of International Standard: 23.060.99 Word Count Estimation: 22,248 Date of Issue: 2024-09-29 Date of Implementation: 2025-04-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 44519-2024: Industrial valves - Gearbox for 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.National Standard of the People's Republic of China ICS 23.060.99CCS J 16 Industrial valves Gearboxes for valves (ISO 22109.2020, MOD) 2024-09-29 Release 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface Ⅲ 1 Scope...1 2 Normative references ...1 3 Terms and Definitions 1 4 Categories...2 4.1 Overview 2 4.2 Operation Type 2 4.3 Rotation Type 2 5 Design requirements...2 5.1 Lifespan 2 5.2 Structural integrity 3 5.3 Self-locking 3 5.4 Mechanical efficiency 4 5.5 Environmental conditions 4 5.6 Gearbox connection 4 5.7 Closing direction 5 5.8 Other requirements 5 6 Optional accessories ...5 7 Factory test and type test 6 7.1 General Principles 6 7.2 Type test 6 7.3 Factory test 6 8 Marking, packaging, transportation and storage...7 8.1 Logo 7 8.2 Packaging 7 8.3 Transportation and storage 8 Appendix A (Informative) Comparison of this document with ISO 22109.2020 structure number 9 Appendix B (Normative) Life Test Procedure 11 Appendix C (Informative) Gearbox Load Diagram ...12 References ...14 Figure C.1 Schematic diagram of part-turn gearbox load 12 Figure C.2 Multi-turn gearbox load diagram 13 Table 1 Classification of work systems 2 Table 2 Minimum life requirements for part-turn gearboxes 3 Table 3 Minimum life requirements for multi-turn gearboxes ...3 Table 4 Factory test and type test items 6 Table A.1 Comparison of structure numbers between this document and ISO 22109.2020 9ForewordThis 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 is required. This document is modified to adopt ISO 22109.2020 "Gearboxes for industrial valves". Compared with ISO 22109.2020, this document has many structural adjustments. The comparison table of structural number changes between the two documents is shown in Appendix A. The technical differences between this document and ISO 22109.2020 and their reasons are as follows. a) The term and definition of “end of trip” in 3.3 of ISO 22109.2020 has been deleted as it is not used in the main text; b) The classification and life requirements of Class D continuously adjustable gearboxes in Tables 1 to 3 (see 5.1) have been deleted to meet the actual Needs in the application; c) The requirements for the limit screws of the gearbox are added (see 5.2) to meet the needs of my country in practical applications; d) Changed the working environment humidity requirement (see 5.5.1), changing "working environment humidity ≥ 90% (25°C)" to "working environment humidity is not Greater than 90% (25°C)”, to meet the needs of my country in practical applications; e) Deleted the altitude requirement in 5.5.2 of ISO 22109.2020 to meet the needs of my country in practical applications; f) IEC 60529 (see 5.5.2) is replaced by the normative reference GB/T 4208-2017 to meet the application needs of my country; g) The normative reference GB/T 30790.2 replaces Table 4 (see 5.5.3) in ISO 22109.2020 because the content in the table GB/T 30790.2 has been covered; h) ISO 5210 and ISO 5211 are replaced by the normative references GB/T 12222 and GB/T 12223 (see 5.6 and 5.7). Adapt to the application needs of our country; i) The noise value requirements (see 5.8.5) have been changed to meet the needs of my country in practical applications; j) The requirement that each gearbox should be subjected to factory test has been added (see 7.3) to meet the needs of my country in actual applications; k) The “design” and “documentation” items in Table 5 of ISO 22109.2020 have been deleted to meet the needs of my country in practical applications; l) Added the "transmission ratio" marking requirements (see 8.1.1) to meet the needs of my country in practical applications; m) Added the optional marking requirements of "mechanical efficiency" and "other agreed items" (see 8.1.2) to meet the actual application of my country. need; n) The documentation and packaging requirements (see 8.2) have been changed to meet the needs of my country in practical applications; o) Added transportation and storage requirements (see 8.3) to meet the needs of my country in practical applications; p) The “test temperature” requirement (see B.3) has been changed to meet the needs of my country in practical applications; q) The “Acceptance Criteria” requirements (see B.5) have been changed to meet the needs of my country in practical applications. This document has the following editorial changes compared to ISO 22109.2020. --Added the description of the working environment under special working conditions in the form of notes (see 5.5.1); --Added special form description of output connection of gearbox in the form of note (see 5.6.1); -- Added special form description of gearbox input connection in the form of note (see 5.6.2). 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 was proposed by the China Machinery Industry Federation. This document is under the jurisdiction of the National Technical Committee on Valve Standardization (SAC/TC 188). This document was drafted by. Jiangsu Suyan Valve Machinery Co., Ltd., Hefei General Machinery Research Institute Co., Ltd., Zhejiang Xibosi Measurement and Control Technology Co., Ltd. Technology Co., Ltd., Yangzhou Electric Power Equipment Repair and Manufacturing Factory Co., Ltd., General Machinery Key Core Basic Parts Innovation Center (Anhui) Co., Ltd., Wenzhou System Process Equipment Science Research Institute, Tianjin Baili Ertong Machinery Co., Ltd., Chaoda Valve Group Co., Ltd., Jiangsu Jiangyuan Machinery Co., Ltd. Co., Ltd., Dalian LNG Co., Ltd., Yangzhou Hengchun Electronics Co., Ltd., Baoyi Group Co., Ltd., Wenzhou Yue China Machinery Technology Co., Ltd., Zhejiang Pump and Valve Product Quality Inspection Center, Ningbo Suke Automation Engineering Co., Ltd., Zhejiang Petrochemical Valve Co., Ltd. Company, Wenzhou Weibo Transmission Technology Co., Ltd., Zhejiang Dagong Valve Drive Co., Ltd., Zhejiang Litong Valve Drive Device Co., Ltd., Jian Huxian Product Quality Supervision and Inspection Institute, Henan Saifud Special Equipment Testing Co., Ltd., Guogong Holding Group Co., Ltd., Henan Quanshun Fluid Control Technology Co., Ltd., Bolei (China) Control Systems Co., Ltd., Sichuan Jingkong Valve Manufacturing Co., Ltd., China Valve Holdings (Group) Co., Ltd. Company, Wuxi Baoniu Valve Industry Co., Ltd., Qingdao Weilong Valve Co., Ltd., Shanghai Biaoyi Valve Co., Ltd., Tianjin Yinhe Valve Co., Ltd. Co., Ltd., Zhejiang Deka Control Valve Instrument Co., Ltd., Wuhu Jinmao Fluid Technology Co., Ltd., Valange Water Treatment System (Taicang) Co., Ltd., Jiangsu Hengda Machinery Manufacturing Co., Ltd., Keystone Valve Co., Ltd., Shanghai Dongfangweier Smart Water Co., Ltd., Zhejiang Yonghe Intelligent Control Technology Co., Ltd., Special Valve Jiangsu Fluid Machinery Manufacturing Co., Ltd., Yuefeng Valve Manufacturing Co., Ltd., Shanggao Group Co., Ltd. Company, Hangda Valve Group Co., Ltd., Jinan Mike Valve Technology Co., Ltd., Guangzhou Jiafusi Valve Manufacturing Co., Ltd., Zhejiang Guan Zheng Valve Co., Ltd., Shandong Yibaitong Valve Co., Ltd., Shanghai Shengtang Valve Technology Co., Ltd., Zhengnan Valve Co., Ltd. Zhejiang Qizhong Control Equipment Co., Ltd., Zhejiang Zhongyi Measurement and Control Equipment Co., Ltd., Ningbo Wheelock Copper Co., Ltd., Shandong Mei Hua Fire Technology Co., Ltd., Shandong Xinhai Mining Technology Equipment Co., Ltd., Zhejiang Lianda Forging Co., Ltd., Zhejiang Liyongda Refrigeration Machinery Co., Ltd. The main drafters of this document are. Han Zhenghai, Hu Jun, He Yi, Cai Jun, Ming You, Ke Yihang, Hong Chunjie, Wang Ce, Wang Yin, Wang Qingjun, Lin Yuanwen, Zhang Xiaozhong, Xu Hongxing, Zhang Fan, Wang Nantong, Li Yongxi, Zhang Wei, Zhang Long, Lu Shoujun, Xiang Yingjun, Gao Hui, Jing Dongyang, Meng Jianwei, Chen Xinchao, Huang Gang, Chen Xing, Bian Hongfei, Zhang Huiting, Liu Guanghe, Zhao Hongqiu, Kang Jian, Sun Xiong, Jiang Weijun, Zhao Long, Fang Chao, Han Zhengdong, Cui Jun, Huang Xu, Teng Huiqiong, Wu Jinwu, Kang Banghua, Ma Chunhui, Ye Xinkai, Xie Zhangfang, Jiang Zhenguang, Yang Haining, Hong Xiaodong, Jin Tengluo, Li Peng, Tang Zhongbo, Xiang Weihui, Tang Xiaofeng, Lu Pingzhen, Feng Zhenhua, Cui Shusheng, Zhang Yunlong, Yu Mingliang, and Li Yongda. Industrial valves Gearboxes for valves1 ScopeThis document specifies the classification, design requirements, optional accessories, output and other specifications of gearboxes for manual and automatic, on/off and regulating industrial valves. Factory test and type test, marking, packaging, transportation and storage. This document does not include gear units and subsea gearboxes that are integral to the valve design.2 Normative referencesThe 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 4208-2017 Degrees of protection provided by enclosures (IP Code) (IEC 60529.2013, IDT) GB/T 12222 Connection of multi-turn valve drive devices (GB/T 12222-2023, ISO 5210.2017, MOD) GB/T 12223 Connections for part-turn valve actuators (GB/T 12223-2023, ISO 5211.2017, MOD) GB/T 30790.2 Paint and varnish protective coating systems for corrosion protection of steel structures Part 2.Classification of environments (GB / T 30790.2-2014, ISO 12944⁃2.1998, MOD)3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Gearbox A gear device used to change torque (or thrust, speed, direction), which can be operated manually by a handwheel (or lever) and/or by a drive The actuator is automatically operated. 3.2 Ambient temperature The temperature of the working environment of the gearbox (3.1). 3.3 Limit end stop A mechanical device used to limit the travel position of the gearbox (3.1) transmission chain. 3.4 Lifespan endurance The number of trouble-free cycles under specified conditions and passed the type test. 3.5 indicating arrangement A device capable of displaying the position of valve opening and closing parts. 3.6 Rated torque The torque value given in the design is the maximum operating torque allowed by the gearbox (3.1). ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 44519-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 44519-2024_English as soon as possible, and keep you informed of the progress. 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