In the water supply and drainage system, flanged butterfly valves are mainly used to control the flow and pressure of water. For example, in urban water supply pipelines, flanged butterfly valves can adjust the water supply pressure and flow according to users' needs, ensuring the stability and reliability of water supply. In sewage treatment plants, flanged butterfly valves are used to control the flow and direction of sewage, realizing the automated control of sewage treatment.
A city sewage treatment plant has adopted a large number of flanged butterfly valves to control the flow and direction of sewage. These flanged butterfly valves have good sealing performance and corrosion resistance and can operate stably for a long time in harsh working environments. By precisely controlling the flow and direction of sewage, the sewage treatment plant has achieved efficient sewage treatment and improved the utilization rate of water resources.
In the food industry, hygiene standards are of utmost importance. Flanged butterfly valves, due to their simple structure, easy cleaning, and good sealing performance, have become an ideal choice to meet the hygiene requirements of food processing production lines. The surfaces of their valve bodies and discs are smooth, without dead corners and gaps, which can effectively prevent medium residue and bacteria growth, ensuring the purity and safety of food. For example, on beverage production lines, flanged butterfly valves are used to control the transportation of raw material liquids, purified water, and finished beverages, guaranteeing that the entire production process complies with strict hygiene regulations.
A well-known beverage production enterprise has adopted flanged butterfly valves for fluid control in the pipeline system of its newly built production base. These valves are made of stainless steel, and the valve seats are made of food-grade rubber, meeting relevant hygiene certification standards such as FDA. During long-term production and operation, the flanged butterfly valves have shown stable performance. They not only ensure that the quality of beverages is not polluted but also, due to their convenient operation and simple maintenance, greatly improve production efficiency and reduce the downtime for maintenance of the production line.
In the heating system, flanged butterfly valves undertake the crucial task of precisely controlling the flow and pressure of hot water or steam. By adjusting the opening of the disc, heat energy can be reasonably distributed according to the heating needs of different areas, achieving precise temperature regulation and improving the energy utilization efficiency of the heating system. Meanwhile, flanged butterfly valves can withstand the high-temperature and high-pressure working conditions in the heating system, ensuring the safe and stable operation of the system.
In a large residential community's central heating project, hundreds of flanged butterfly valves were installed. These valves are distributed at various branch pipelines of the heating network and at the inlets of user ends. During the winter heating period, through the remote automated control of the flanged butterfly valves, the heating company can adjust the heating flow and pressure of each area in a timely manner according to changes in outdoor temperature and user feedback. For example, when the occupancy rate of a certain building is low, the opening of the flanged butterfly valve in this area can be appropriately reduced to reduce heat energy waste. When users in a certain area generally report that the temperature is insufficient, the valve opening can be increased to increase the heating flow. The reliable operation of the flanged butterfly valves in this project has ensured that the residents of the entire residential community can spend the winter warmly and comfortably and has also saved a large amount of energy costs for the heating company.
The gas system has extremely high requirements for the safety and sealing performance of valves. In gas transmission pipelines, flanged butterfly valves must ensure zero leakage under various working conditions to prevent serious safety accidents such as gas leakage and explosion. Their structure combining metal hard sealing and soft sealing and reliable bidirectional sealing performance enable them to effectively cope with the high pressure, flammability, and explosiveness of gas.
In urban gas pressure regulating stations, flanged butterfly valves are widely used on the inlet and outlet pipelines of gas and on the connecting pipelines of pressure regulating equipment. For example, in a major gas pressure regulating station in a certain city, flanged butterfly valves produced by EATHU were adopted. These valves have undergone strict quality inspections and sealing performance tests. During long-term operation, they have always maintained excellent sealing effects. Even when the gas pressure fluctuates greatly, there has been no leakage phenomenon. Meanwhile, the quick closing characteristic of the flanged butterfly valves can quickly cut off the gas supply in emergency situations, providing a solid guarantee for the safe operation of the gas system.
The space on ships is limited, requiring valves to be small in size, light in weight, and compact in structure. Flanged butterfly valves just meet these requirements and can be conveniently installed and maintained in the narrow cabin space. In addition, since ships are in the marine environment for a long time and face strong corrosion from seawater, the corrosion resistance of flanged butterfly valves is particularly crucial. Usually, special corrosion-resistant materials are used for manufacturing, or the surface of the valve body is treated with anti-corrosion measures to ensure its long-term reliable operation in the harsh marine environment.
In the pipeline system of an ocean-going cargo ship, a large number of flanged butterfly valves are used for the control of various fluids, including the seawater cooling system, fuel oil transmission system, and ballast water system. In the seawater cooling system, the flanged butterfly valves are made of alloy materials resistant to seawater corrosion and can effectively resist the erosion of seawater, ensuring the normal operation of the cooling system and preventing serious problems such as engine overheating caused by valve corrosion and damage. In the fuel oil transmission system, the good sealing performance of the flanged butterfly valves ensures the safe transmission of fuel oil and avoids the fire hazard caused by fuel oil leakage. These flanged butterfly valves have withstood the severe test of the marine environment during the long-term voyage of the ship and have played an important role in the safe operation of the ship.
In the hydropower industry, such as the diversion pipeline and tailrace pipeline systems of hydropower stations, flanged butterfly valves are used to control the flow and pressure of water to achieve efficient power generation by water turbines. Their good flow characteristics and regulation performance can ensure that water flows smoothly through the valves, reducing the energy loss of water flow and the impact on water turbines, improving the power generation efficiency and the service life of equipment.
In a large hydropower station construction project, a large number of flanged butterfly valves were selected for use in various pipeline links of the hydropower station. On the inlet pipeline of the water turbine, the flanged butterfly valves can precisely adjust the flow and pressure of the water entering the water turbine and optimize the power generation power of the water turbine according to the load demand of the power grid. On the tailrace pipeline, the flanged butterfly valves control the flow of the tailwater discharged by the water turbine, maintaining the balance and stability of the water system of the entire hydropower station. During the commissioning and operation of this project, the flanged butterfly valves have shown excellent performance. Their reliable sealing, precise regulation, and stable operation have provided strong support for the smooth commissioning and efficient operation of the hydropower station.
In the production process of the metallurgical industry, high temperature, high pressure, and fluids containing various corrosive media and solid particles are often involved. In the application of flanged butterfly valves in the metallurgical industry, they need to have the characteristics of high temperature resistance, high pressure resistance, wear resistance, and corrosion resistance. Their hard sealing structure and special sealing materials enable them to work normally in environments such as high-temperature molten steel, furnace gas, and various corrosive chemical agents, ensuring the continuity and stability of the metallurgical production process.
In the steelmaking workshop of a steel plant, flanged butterfly valves are widely used in the cooling systems of converters and continuous casting machines, gas transmission systems, and the pipelines for transporting various chemical agents. For example, in the cooling system of a converter, the flanged butterfly valves need to withstand the impact and corrosion of high-temperature cooling water and also maintain good sealing performance under high pressure to prevent safety accidents caused by cooling water leakage. In the gas transmission system, the flanged butterfly valves must ensure zero leakage of gas to prevent the explosion danger caused by gas leakage. The flanged butterfly valves produced by EATHU, with their excellent performance, have effectively coped with various harsh working conditions during the long-term operation of the steel plant, providing a reliable guarantee for the safe and efficient production of the steelmaking workshop.
The energy system covers the production, transmission, and conversion processes of various energy sources, involving media of different natures, such as petroleum, natural gas, synthetic gas generated by coal gasification, etc., as well as complex working conditions including high temperature, high pressure, flammability, explosiveness, toxicity, and harmfulness. In the energy system, flanged butterfly valves need to have wide applicability and high reliability, be able to adapt to the requirements of different media and working conditions, and realize the safe and efficient control of various energy media.
In the natural gas transmission pipeline network, flanged butterfly valves are distributed at various pipeline nodes and pressure regulating stations, responsible for the flow regulation and shut-off control of natural gas. Since natural gas has the characteristics of flammability and explosiveness, the sealing performance and safety performance of flanged butterfly valves are crucial. For example, on a long-distance natural gas transmission pipeline, flanged butterfly valves produced by EATHU were adopted. Their advanced sealing technology and reliable structural design ensure zero leakage of natural gas during transmission, guaranteeing the gas safety of residents and industrial users along the line. In refineries, flanged butterfly valves are used for the transportation and control of crude oil, refined oil products, and various chemical raw materials and need to cope with the challenges of high temperature, high pressure, and corrosive media. The EATHU flanged butterfly valves have shown excellent corrosion resistance and stable performance in the application in refineries, providing a powerful guarantee for the continuous production of refineries.
The light textile industry mainly deals with relatively mild media, such as dye solutions in textile printing and dyeing, textile fiber slurries, and cold water and hot water in air-conditioning systems. The application of flanged butterfly valves in the light textile industry focuses on precise flow control and good sealing performance to meet the requirements for fine regulation of process parameters in the production process and ensure the cleanliness and safety of the production environment.
In a large textile printing and dyeing factory, flanged butterfly valves are widely used in dye mixing systems, fabric washing systems, and air-conditioning water circulation systems. In the dye mixing system, the flanged butterfly valves can precisely control the flow of dye solutions, ensuring the accurate proportioning of different color dyes and thus guaranteeing the color consistency and quality stability of printed and dyed products. In the air-conditioning water circulation system, the flanged butterfly valves adjust the flow of cold water and hot water to maintain a comfortable temperature and humidity environment in the workshop, improving workers' work efficiency and product quality. The flanged butterfly valves used in this factory are easy to operate and maintain, effectively reducing equipment maintenance costs and production downtime, bringing significant benefits to the enterprise's production and operation.
EATHU adopts advanced manufacturing processes and high-precision processing equipment to ensure that each component of the flanged butterfly valve has excellent quality. From the casting of the valve body to the processing of the disc and valve stem, each link strictly follows international standards and industry norms, ensuring the dimensional accuracy and geometric tolerance of the valves. For example, in the casting process of the valve body, advanced mold technology and precise casting processes are used to make the internal structure of the valve body more dense and uniform, without defects such as pores and sand holes, thereby improving the strength and pressure resistance of the valve body. The processing of the disc and valve stem uses CNC machining centers, which can precisely control the processing dimensions and surface roughness, ensuring that the sealing fit precision between the disc and the valve seat reaches a very high level, effectively improving the sealing performance and service life of the valves.
EATHU has established a strict quality inspection system to conduct all-round quality monitoring of flanged butterfly valves. In the raw material procurement process, strict chemical composition analysis, mechanical property testing, and metallographic structure inspection are carried out for each batch of raw materials to ensure that the quality of the raw materials meets the requirements. During the production process, random inspections are carried out on semi-finished products of each process, including dimension measurement, appearance inspection, and non-destructive testing, to timely discover and correct quality problems in the production process. Before the finished products leave the factory, comprehensive performance tests are carried out on the flanged butterfly valves, including sealing performance tests, pressure resistance tests, and operation tests, to ensure that each valve can meet or exceed the requirements of relevant standards. For example, in the sealing performance test, high-precision pressure testing equipment and advanced detection methods are used to simulate the sealing performance under various working condition conditions, ensuring that the valves can achieve zero leakage in actual use.
EATHU can provide personalized customization services for flanged butterfly valves according to customers' special needs. Whether it is a special connection method, driving method, specific material requirement, or size specification, EATHU can tailor solutions for customers. For example, for some customers in special industries, such as aerospace and nuclear power, who may require valves with higher reliability and special performance requirements, EATHU can develop and design dedicated flanged butterfly valve products according to the detailed technical parameters and usage environment requirements provided by customers. During the customization process, close communication is maintained with customers, and the design plan and production progress are timely fed back to ensure that the customized products can meet customers' expectations and actual needs.
EATHU has a professional after-sales service team to provide customers with all-round high-quality after-sales services. Whether it is the installation and commissioning of valves, usage training, after-sales maintenance, or troubleshooting, the after-sales service team of EATHU can respond to customers' needs in a timely manner and provide efficient and professional services. For example, when customers install valves, the after-sales service team can send technicians to the site for guidance to ensure the correct installation and commissioning of the valves. During the use of the valves, if customers encounter any problems, they only need to call the after-sales service hotline, and the technicians of EATHU will provide solutions within the shortest time. If necessary, they will rush to the site for maintenance. Meanwhile, EATHU also provides regular return visit services to understand the usage of the valves, collect customers' opinions and suggestions, and continuously improve the quality of products and services.
In conclusion, flanged butterfly valves, with their unique structural features and excellent performance, have been widely used in numerous industries. EATHU flanged butterfly valves, relying on advanced manufacturing processes, a strict quality inspection system, personalized customization services, and high-quality after-sales services, have obvious advantages in market competition and provide users with reliable and efficient fluid control solutions. In the future industrial development, with the continuous progress of technology and the continuous change of market demand, flanged butterfly valves will continue to play an important role, and EATHU will also continue to innovate and improve, making greater contributions to promoting the development of the valve industry.
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