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The technical manual of valves and actuators will be published and distributed. The technical manual of valves and actuators compiled by zhangqingshuang, yinyujie, lishuxun, etc. will be published and distributed soon:

a technical manual of valves and actuators written by brainnesbitt, UK, and compiled by zhangqingshuang, yinyujie, lishuxun, etc. to systematically introduce relevant knowledge, It is also the latest foreign book on valves, which will be officially published in China by the chemical industry press later this month, and will be publicly distributed in major Xinhua bookstores in China

the technical manual for valves and actuators is very rich in content, which can be used by manufacturers (companies), valve users, design and research institutes and teachers and students of colleges and universities in the valve industry to better understand and master the technology and development level of foreign valves. It is very important to promote the scientific and technological progress of the valve industry and improve the technical level of scientific and technological personnel, and has certain reference and use value

it is understood that valves are general mechanical products, which are widely used in pipelines of various fluid engineering systems. The service performance of the valve is closely related to the working conditions of its medium. Therefore, an excellent valve designer should not only understand the design principles of various valves, but also master the fluid theory, but also master the performance of materials and their compatibility with the medium, and understand the types and selection of valves and driving devices, the design of piping system, the installation, maintenance and test identification of valves. However, the existing books on valve design are mainly about the design and calculation principles and methods of general-purpose valves, so most valve designers lack sufficient relevant knowledge, which makes them encounter great difficulties in the development of new products

the technical manual for valves and actuators, written by brainnesbitt in the UK, is a reference book for systematically introducing relevant knowledge. Its content just makes up for the shortcomings of existing books. Brainnesbitt is a professional consultant with high prestige in the field of valve and pump technology. He is the chairman of British standard mce/6/6 and European cen/tc197/sc5 Subcommittee

this manual consists of 21 chapters. Chapter 1 is the definition and abbreviation, which mainly discusses the terms, definitions and abbreviations commonly used from a to Z in valves, driving devices and their auxiliary systems. Chapter 2 is fluid performance, which is mainly divided into term interpretation, analysis of water, oil, solid-liquid mixture, liquid-gas mixture, gas law and gas characteristics. Chapter 3 is the isolation valve, which is mainly divided into isolation valve and its system, isolation valve design, isolation valve type, etc. Chapter 4 check valve mainly includes check valve and its system, check valve design, check valve type, etc. Chapter 5 is regulator, which is mainly divided into regulator and its system, regulator design and regulator type. Chapter 6 is control valve, which mainly depends on the focus of decision makers and the axis of corporate culture. It is divided into process control valve and its system, control valve design and process control valve types. Chapter 7 is safety relief valve, which is mainly divided into safety relief valve and its system, safety relief valve design, safety relief valve type and its pipeline function, etc. Chapter 8 is the determination of valve and pipeline size, focusing on the determination of isolation valve, check valve, safety relief valve, regulator and control valve size and pipeline size. Chapter 9 is about pipes and connectors, which is mainly divided into the design principles of pipe engineering (Group), including steel pipes, hoses, expansion joints, weldments, flanges, gaskets, and fasteners. Chapter 10 is valve noise, including noise problem analysis, source, prediction, attenuation and calculation. Chapter 11 is valve stem seal, which is mainly divided into seals, sealing materials, lubrication, packing friction, stuffing box, etc. Chapter 12 is the driving device, including control signal, type, accessories, force/torque leakage automatic power-off system, automatic breakpoint shutdown function torque, installation selection, etc. Chapter 13 covers valve materials, mainly including valve body, internals, hard surface, bolting materials, pressure/temperature rating, etc. Chapter 14 covers instruments and accessories. Chapter 15 is about quality, inspection and test. Chapter 16 is standards and specifications, which mainly lists the standards and technical specifications related to valves. Chapter 17 covers installation and maintenance. Chapter 18 is about application solutions. Chapter 19 is the selection of valves and actuators. Chapter 20 is about fluid performance and conversion coefficient. Chapter 21 is the buyer's Guide

as one of the information work projects of the valve industry in 2009, the technical manual of valves and actuators is mainly translated by Beijing valve General Factory (Group) Co., Ltd. and Shenyang Shengshi high and medium pressure valve Co., Ltd

during the translation of this manual, it has received strong support from Beijing valve General Factory (Group) Co., Ltd., Beijing valve research institute, Shenyang Shengshi high and medium pressure valve Co., Ltd., Shenyang valve research institute, Baoyi Group Co., Ltd. and other units, especially Zhejiang Crete Valve Co., Ltd., and created conditions for the compilation of this manual. In addition, I would like to express my heartfelt thanks for the great support of the chemical industry press and the warm help and guidance of the editors and reviewers during the translation and publication of this book

as this book is rich in content and covers a wide range of professional knowledge, as well as the translator's level and time constraints, it is inevitable that there are errors and inadequacies in the translation. Readers are kindly requested to give their valuable comments

Appendix 1: preface of technical manual for valves and actuators

valves are one of the most basic components used in various manufacturers. Engineering design relies on a large number of mechanical equipment to transport products under controllable conditions, and valves play a central role. The global control valve market is developing unprecedentedly due to the new environmental protection plants in developing countries and the current centralized investment in the exploitation and production of oil and gas industry

a 250000bpd refinery requires approximately up to 2500 valves to be installed on pipelines and vessels. Life cycle cost analysis shows that the initial purchase price is equivalent to 20% of the whole service life cost of the valve

about three quarters of the cost is used for maintenance, major overhaul and repair, which can provide opportunities to reduce costs. Due to the adoption of advanced production process equipment, the control system of the production plant has seen obvious changes, but the key production fluid is still controlled by valves, which is almost the same as the production and operation plant 50 years ago in terms of appearance and structure

wrong technical parameters or poorly operated valves will lead to a sharp increase in the cost of the manufacturer. This simply means incorrect maintenance. The quality of inferior products, operation interruption, safety and other factors, as well as other indirect costs, will greatly increase the total cost

the most effective way to reduce the cost of control valves is to use preventive and predictive maintenance to reduce the number of valves returned for repair. The diagnosis system can measure the working condition of the control valve without disassembling the valve, saving the shutdown time and providing more reliable analysis, thus avoiding the situation that it is impossible to diagnose without removing the valve from its working environment

effective management of control valves reduces costs. The correct installation of valves in compliance with regulations can improve the performance of equipment and improve the quality of products on the basis of extending the maintenance period. Preventive maintenance measures, such as routine calibration and physical inspection, can timely determine the parts to be maintained before valve maintenance, avoiding high maintenance costs and losses caused by shutdown

predictive maintenance is helpful for operators to check accessories, accurately identify hidden problems, and avoid the need to isolate intact valves. Because the maintenance cost of valves accounts for the majority of the lifetime cost of valves, early valve selection and effective maintenance management are very important for the managers of a factory when considering cost reduction

therefore, the world valve manual is welcomed by engineers and users from all walks of life. This article focuses on fluid theory, terminology, types and selection of valves and actuators, materials, quality assurance, testing, installation, maintenance, as well as the application, selection and user guide of valves. Readers and experts will find useful and practical information to help them make informed decisions that will affect the overall production cost. This is not just a textbook on valves and actuators

Appendix 2: introduction to the authors of relevant books and periodicals:

brainnesbitt is a valve high-frequency fatigue testing machine. It is a professional consultant with high prestige in the field of door and pump technology that works based on the principle of system resonance. He works with valve and pump manufacturers, equipment manufacturers, valve and pump users, and people who need professional help. Brain regularly publishes articles, papers, guides research conferences, engages in theoretical research and equipment design research, as well as the function evaluation of pumps and valves, and guides visitors to investigate the problems of valves, pumps, or the system. As a designer of pumps and valves, he has rich experience (especially for products in the pressure range of 10~2048 bar) and is competent to discuss all aspects of valves and actuators. Now he is the chairman of British standard mce/6/6 and European cen/tc197/sc5 Subcommittee, which is responsible for the drafting of European standards for rotary and circulating pumps. He is also a major British technical expert in iso/tc67/sc6, working group 2, who studies the standards for oil and natural gas circulating pumps. Brian is a British representative of API task force in the third edition of aip674 and the modified edition of iso13710

brainnesbitt started his career as a technical apprentice in CA Parsons turbine engine branch and gained rich experience in manufacturing 500MW mechanical equipment. After practice in the workshop, he was promoted to the drawing and design office and engaged in the design of rotary and piston compressors and gas turbines. Large rotary compressors contain gas circulators for nuclear reactors. Many equipment include specially designed auxiliary systems, complex lubricant and sealing oil systems. Mechanical seals are designed for specific compressor applications. Mechanical installation and interconnection are important features of some contracts. Process piping must be considered during mechanical design. After a short period of industrial refrigeration of piston compressors and screw compressors and a large number of system design and field/installation demonstrations, he worked in Ingersoll Rand pump industry until 1985. Brain is employed to provide engineering and operation support for circulating pump manufacturing in Europe. The successful conversion from piston compressor to circulating pump was completed through a long visit to the parent company in the United States. During this period, brain is committed to the design work under way in the current contract, including the key components of the valve of the 2.0MW pump set

after stopping in the UK, brain provided customers with guidance on pump selection and parts selection, and discussed how to use it with potential customers. The design of special pumps is not applicable to standard pumps in terms of power. The work focuses on the application of simple maintenance, low npipr, high pressure, high viscosity and solid particles. New valve design for harsh conditions. The use of Beihai pumps and the demand for related quality have proved to be a great development resource with a product safety factor of 6 times

most pumps require crankcase and packing

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