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Latest company new about Wofly Completion of “XiBa”  a project
2024/06/19

Wofly Completion of “XiBa” a project

May into the "wash bar" project is now nearing completion, in which the business / design / procurement / warehouse / engineering, the five departments are undoubtedly not in a race against time, because the contract period of only one month's time, and some materials are not up to the delivery date, the business of the procurement urged even for the customer to be able to give both good and fast! The customer is making negative electrode material. Customers do is negative electrode material industry so use our gas system, this month the automatic explosion-proof 8 cylinders special gas cabinet to do two, semi-automatic VMB valve box 1 into 6 out to do 4, VDB valve box 2 into 4 out to do 1, double bottles cylinder rack (auxiliary gas rack) 2, VMB blowing a small panel of 5 sets, VMB vacuum / drive the gas small panel of 6 sets, semi-automatic first-class decompression device 2 sets, manifolds two Device 2 sets, two sets of manifolds. equipment more tight delivery this month, the production department engineering department are in the continuous overtime mutual cooperation, and as a team is the most important point is to pay attention to the teamwork, so that can save a lot of things, indeed, they are also very well in place, and ultimately in the specified period of time to complete the project, get the customer's praise, not only for the personal praise but also for the company's affirmation of wofly's affirmation of the company! This is not only for personal praise but also for the company's affirmation of wofly's affirmation, but also thank the customer's trust in wofly, we uphold the principle of safety and service first to serve our customers, I believe that in the future we will be more on a higher level.
Latest company new about Wofly At The Sixth ShenZhen International Semiconductor Exhibition
2024/06/13

Wofly At The Sixth ShenZhen International Semiconductor Exhibition

The 6th Shenzhen International Semiconductor Exhibition, which will be held from 26th to 28th June 2024, will be displayed at the Shenzhen International Convention and Exhibition Centre (Bao'an) Hall 4/6/8. wofly's Booth No.: 8B55 , we will be showcasing our gas supply equipment gas handling and much more at this exhibition.Scan the QR code below to get your free ticket. As a gas system provider, Shenzhen Wofly Technology Co., Ltd. will be showcasing equipment for bulk gas supply systems as well as accessories and solutions at the show. Fully automatic special gas cabinets/special gas racks/VMB valve boxes/gas pressure reducers/pipe fittings/diaphragm valves, etc. will be displayed at the booth.   Visitors will be able to have an in-depth conversation with the company representatives. The professional team of Wofly Technology will present in detail the features and application areas of the company's products, as well as its ability to provide customised solutions to its customers. The exhibition will provide a platform for industry experts, entrepreneurs and technology enthusiasts to exchange ideas and co-operate with each other. Wofly Technology is looking forward to sharing the latest technology trends and industry developments with people from all walks of life and seeking more opportunities for co-operation.   Booth information of Shenzhen Wofly Technology Co: Exhibition Name: The 6th Shenzhen International Semiconductor Exhibition Booth No.: 8B55 Exhibition Date: 26-28 June 2024 Exhibition Venue: Shenzhen International Convention and Exhibition Centre (Bao'an)   Shenzhen Wofly Technology Co., Ltd. cordially invites you to visit our booth to discuss the innovation and development opportunities in the field of gases and semiconductors. We look forward to meeting you and sharing our technological advances and solutions.   About Shenzhen Wofly Technology Co: Shenzhen Wofly Technology Co., Ltd. is a leading provider of semiconductor solutions, offering high-performance, high-reliability chips and system solutions to customers worldwide. The company's products are widely used in communication, consumer electronics, industrial automation and automotive electronics.   Contact Person: Name: Catlin Zeng Position:Manager Tel:0755-0927023443 Email: info@szwofly.com  
Latest company new about How can a user organisation select the right valve for your special gas control system?
2024/06/04

How can a user organisation select the right valve for your special gas control system?

Valve selection is an important part of proper design and maintenance practices for piping and instrumentation systems. If the correct valves are not selected for a particular application, the user unit may be exposed to inappropriate or inferior special gas system performance, longer downtime, and unavoidable safety risks. Valves are usually selected during the initial stages of a special gas control system design, and throughout the system's life cycle, technicians typically follow specifications to better valves and most other components using the same types of components already present in the system.   Selecting the correct valves from the outset is therefore very important to help user units avoid premature valve replacement later on.   How to make the right choice?   The technical and purchasing staff at the customer's facility can follow the STAMPED method, which takes into account size, temperature, application, media, pressure, ends or fittings, and delivery.   Full consideration of each of these operating conditions can guide the selection of the correct valve to be used in the speciality gas system.   The following is a detailed description of how STAMPED is applied to special gas system design: 01 S - Size   The size of a valve determines its flow rate and needs to correspond to the desired or required flow rate of the system. The flow coefficient (Cv) of a valve expresses the relationship between the pressure drop across the valve and the corresponding flow rate.   Valve design factors that affect Cv include the size and geometry of the flow path; the size of the valve's orifice affects the fluid flow through it. The larger the orifice, the greater the potential flow rate. The orifices of different types of valves can vary greatly; for example, a ball valve will provide little resistance to flow, but a needle valve will restrict or slow down the flow rate. These should be considerations in your selection process.   02 T - Temperature   The operating temperature of the valve will help control the temperature of the media in the system, and the ambient operating temperature of the surrounding environment. It is important to note whether the temperature of the valve will remain constant or change frequently, and these conditions may affect valve selection or the frequency with which preventive maintenance needs to be performed.   Consider temperature fluctuations that may cause sealing materials to expand and contract. In addition, metal parts may lose strength at high temperatures, thereby reducing pressure ratings, and it is necessary to ensure that the valve has been thoroughly tested under extreme conditions.   03 A - Application   Consider what the valve is required to do in a system, is it required to start or stop the flow of media? Regulate flow levels? Control flow direction? Protect the special gas system from overpressure?   Having a clear idea of the application of the valve in the system will guide you to a clearer choice of valve type. Take a simple bi-directional ball valve as an example, whilst some ball valves may offer throttling, most should not be used for throttling or regulating flow, but should be used in either fully open or fully closed condition, if your need is to throttling or regulating the flow, a needle valve or metering valve may be a better choice.   04 M - Medium   or to regulate flow, a needle valve or metering valve may be a better choice. Careful consideration should also be given to the fluid medium within the system when trying to select the correct valve with the proper material composition.   Ensure that the system media is compatible with the materials that make up the valve body, seat, and stem shear, as well as the softer materials of the gas. Failure to do so may result in corrosion, embrittlement or cracking, which can pose a safety risk and costly production and safety problems for the user unit.   As with temperature, the location where the valve is to be used should also be considered. Is it operating in a climate-controlled environment, for example inside a plant or in a heated instrument enclosure? Or is it used outdoors, exposed to climatic factors such as sunlight, rain, snow and temperature fluctuations over a long period of time? Valves and their components are available in a wide range of materials. Remember to select the appropriate valve in relation to the above environmental and climatic factors in order to maximise the service life and functionality of the valve.   05 P - Pressure   Pressure is another important consideration when selecting a valve. There are two types of pressure: 1. Operating pressure: the normal working pressure in the system. 2. Design pressure: the maximum pressure limit of the valve; never exceed the design pressure of any Special Gas system component except under controlled test conditions.   The pressure limit of a special gas system is based on its lowest rated component - bear this in mind when selecting a valve. The pressure and temperature of the process medium have a significant effect on component performance. The valves you select need to withstand pressure and operate over a wide range of temperatures and pressures when required. Design, material selection and validation are all critical aspects of valve performance. It is also important to remember that pressure and temperature have a significant effect on each other.   06 E - End connections   Valves come with a variety of different end connections. These may be integral tube fittings, pipe threads, pipe flanges, weld ends etc. Although not traditionally associated with the construction of a valve, the choice of end connections is critical to the overall construction of the valve and its ability to maintain a sealed system. Ensuring that the end connections are suitable for the system pressure and temperature, and are of the right size and material, the correct end connections can simplify installation and avoid additional leak points.   07 D - Delivery Finally, having considered all of the above factors and selected the right valve for your application, as with any other factor, on-time delivery and reliable supply is important to keep the Special Gas system running and efficient. As a final step in the STAMPED approach, there is a need to consider the strength of the supplier, their ability to meet the demand when you need the part, and their ability to work with you to understand the needs of your system.   The above is the STAMPDE method compiled by WOFLY (AFKLOK), we believe that through the above steps, the user unit will have a better understanding of how to choose the right valve. If you have any questions, WOFLY (AFKLOK) is also very welcome to your inquiries. WOFLY (AFKLOK) in the field of special gas applications for thirteen years, the gas application industry is very familiar with the relevant processes, and has a strong, stable supply chain and construction technology team, these are our strong backing, so that we have the strength and determination to provide the best quality, the most secure full set of gas applications for the user units.
Latest company new about What are the safety linkages in the special gas application control system?
2024/05/28

What are the safety linkages in the special gas application control system?

The main purpose of the special gases application control system is to provide high-purity electronic special gases for the safe supply of industrial process end-use points. The entire system consists of a number of modules covering the entire flow path from the gas source to the gas manifold to the end-use point.   There are two main requirements for the use of speciality gases in user units. One of the main requirements is to ensure pressure and purity, which is achieved in the speciality gas control system by means of a pressure regulator, and purity by means of a high degree of airtightness of the system to avoid external contamination and filtering of particles in the gas by means of a filter.   The second main requirement is safety, flammable and explosive gases, toxic gases, corrosive gases and other dangerous gases are special gases. Therefore, the special gas system engineering danger is high, in the design, installation and use of operation need to consider the supporting safety facilities.   Today we mainly know, in the special gas application control system has what safety linkage equipment?   01 Emergency stop button   The emergency stop button is used to remotely close the pneumatic valves of the gas supply equipment on site.   When the leakage alarm reaches the second alarm, the staff can carry out remote manual shutdown operation on the gas supply equipment, and close the pneumatic valve of the gas supply equipment in time.   02 Gas Detector The gas detector is mainly used for continuous and uninterrupted sampling and analysis of the gas supply equipment to determine whether there is gas leakage from the gas supply equipment.   When the detector works normally, the sampling flow rate of the detector reaches 500mL/min.   For heated gas, it is necessary to install gas heating unit to achieve auxiliary heating effect.   03 Alarm light Alarm indicator is mainly used to indicate the alarm situation on site, which is composed of alarm light and buzzer.   The alarm indicator is generally a tower-type alarm light. When the leakage alarm reaches one alarm line, the alarm light will be yellow and the buzzer will start; when the leakage alarm reaches two alarm lines, the alarm light will be red and the buzzer will start.   The alarm light requires 24VDC power, and the buzzer needs to sound at 80dB or higher.   04 Sprinkler head Glass ball sprinkler head of the glass ball, filled with a high coefficient of thermal expansion of the organic solution, the fire, the organic solution temperature increases and expansion, until the glass body is broken, the seals lose support by the water flow, so that the beginning of the spray water.   The main role of the shower head in the gas cabinet is to cool down the cylinder to avoid secondary accidents.   05 UV/IR Flame Detector   UV/IR can detect both UV and IR light segments in the flame. When both UV and IR light segments are detected, the detector sends a signal to the control system and triggers the linkage.   Since the flame must contain both UV and IR light segments, the UV/IR detector can effectively avoid false alarms caused by other separate UV or IR sources.   06 Overcurrent protection switch (EFS) The overcurrent protection switch senses abnormal changes in gas flow. When the gas flow rate is greater or less than the set point, the overcurrent protection switch signals the control system and triggers the linkage. The set point of the overcurrent protection switch cannot be adjusted on site.   07 Negative Pressure Gauge / Negative Pressure Switch   Negative pressure gauge/negative pressure can measure the negative pressure value inside the gas cabinet to ensure that the air extraction volume of the equipment meets the design requirements and to improve operational safety.   Negative pressure switch can send a signal to the control system when the negative pressure value in the equipment is lower than the set value, and trigger the linkage.   08 PLC control   PLC control system has a strong reliability, all the signals will be transmitted to the PLC system, after it is processed and transmitted to the human-machine interface, PLC can complete the signal transmission and control of all terminal equipment.
Latest company new about A Force For Innovation In High-Purity Process Systems For The Pan-Semiconductor Industry
2024/05/22

A Force For Innovation In High-Purity Process Systems For The Pan-Semiconductor Industry

In the core of the pan-semiconductor industry, high-purity process gas systems are like blood, providing a steady stream of nutrients for high-tech industries such as chip manufacturing and optoelectronic displays.   As a system provider focusing on special gas solutions for 13 years, AFKLOK has blossomed in this field with its excellent technological strength and professional service experience.   The soul of a high-purity process gas system   In the pan-semiconductor industry, high-purity process gas systems are a key part of the production process. These speciality gases play a decisive role in IC etching, thin film deposition and other processes, and their purity, stability and continuous supply capability directly affect product quality and yield.   AFKLOK's carefully developed high-purity process gas system, relying on advanced purification technology and strict quality control, ensures that each gas can meet the ultra-high purity standards required by the industry.   Safe guarding, intelligent operation and maintenance   Knowing that safety is the cornerstone of production and the lifeline of any process system, AFKLOK's high-purity process gas systems are designed with safety and stability in mind.   From the storage and distribution of gases at the source to the end-use, the highest safety standards are adhered to. Explosion-proof, fire-proof, leakage detection and alarm systems, such as nitrogen purge systems, emergency shut-off valves, pressure relief devices and flammable/toxic gas detection and alarm systems, are used throughout the process to effectively prevent potential risks from occurring, and to comprehensively safeguard the safety and reliability of the production environment.   In addition, the combination of Internet of Things technology and big data analysis, so as to achieve remote monitoring, intelligent early warning and maintenance management, so that customers can remotely monitor and control the entire process, timely access to information on various parameters, early warning and rapid response to potential problems, so that the entire process is more intelligent and efficient.   Customised services for industrial upgrading In response to the diversified application scenarios and needs of the pan-semiconductor industry, AFKLOK provides customers with tailor-made high-purity process gas system solutions based on its deep technical accumulation and rich project experience. Whether it is a new production line or the upgrading and optimisation of existing equipment, it can be flexibly configured according to the specific requirements of customers, so that each batch of special gas can maintain a constant and compliant with the requirements of the concentration and flow rate, providing a solid guarantee for the continuity of enterprise production. Help enterprises in the fierce market competition to occupy an advantageous position.   Green philosophy, sustainable development   While pursuing excellence in performance, AFKLOK is committed to fulfilling its social responsibility and upholding the principles of environmental protection and sustainability, AFKLOK is committed to creating green and efficient high-purity process gas systems. Our special gas systems are designed and operated in strict accordance with national and international environmental regulations, utilising technology and stringent exhaust gas treatment measures to minimise the impact on the environment and help companies reach their energy saving and emission reduction targets, driving the industry chain towards a more eco-friendly direction.   Together with AFKLOK, we build the future together   AFKLOK has always been on the path of technological innovation and service upgrading, and continues to bring new high-purity process gas system solutions to the pan-semiconductor industry. We are convinced that only by combining the power of science and technology with the needs of our customers can we together draw a beautiful picture of the flourishing development of the pan-semiconductor industry in China and around the world. Choosing AFKLOK is choosing a professional, safe, green and sustainable future! To sum up, AFKLOK has been serving the pan-semiconductor industry with its professional special gas system technology and service level, and actively promoting the progress and development of China's high-purity process gas system. We are looking forward to working with more partners to scale new heights on the road of innovation!   As a manufacturer of special gas control system, we provide overall planning, professional design, material selection, professional installation, system delivery, technical consulting, a complete set of turnkey project. Let the user units with gas more worry, more assured, more at ease.
Latest company new about How to deal with gas exhaust in the special gas pipeline
2024/05/14

How to deal with gas exhaust in the special gas pipeline

With the booming development of the semiconductor industry, higher requirements have been put forward for its supporting projects. The supply of special gases has not formed an effective system, and the problems of messy cylinders, chaotic management and mixing of incompatible gases are more serious, which greatly affects the safety of gas consumption. So how to deal with the gas tail gas in the special gas pipeline project? Today the staff of Shenzhen Wofei Technology Co:   Special gas tail gas treatment   Special gases on health and the environment will produce great harm, how to deal with special gas tail gas, with what equipment, here will be an in-depth introduction. Status of speciality gas tail gases   Tail gas inevitably exists as a derivative of the special gas system. In the past, in many colleges and universities, due to the laboratory gas consumption is not large, the owner of the construction unit is not fully aware of the tail gas emission problem, with more semiconductor factories springing up, the production of special gas tail gas emission more and more attention. Then how to discharge, how to discharge has become a problem in front of many users.   The treatment method of the tail gas emission treatment device of the special gas system:   The type of tail gas treatment device should be selected according to the characteristics of the special gas in the exhaust to be treated, and incompatible special gases should be separately set up tail gas treatment device;.   Tail gas treatment device should be arranged close to GR, GC and other special gas equipment.   The tail gas treatment method of special gases shall adopt dry treatment adsorption, wet scrubbing, heating decomposition treatment, combustion treatment, plasma decomposition treatment, dilution treatment and the combination of the above methods.
Latest company new about How to solve the problem of too much pressure difference in the pressure reducing valve
2024/04/28

How to solve the problem of too much pressure difference in the pressure reducing valve

In the process of gas line installation, pressure reducer is to be used in the instrument, its role is to adjust, the inlet pressure will be reduced to a certain need for the export pressure, and rely on the medium’s own energy, so that the export pressure is automatically maintained at a stable valve. Its differential pressure is a certain limit, then the pressure difference of the pressure reducer is too large should be how to solve it, the following Wofei gas line installation manufacturers will be introduced to you. Pressure reducers are rated for leakage at different pressures. General leakage will not exceed 3%, if the pressure difference between the pressure reducer is too large this will result in the pilot valve is automatically top open state, can not ensure that the back end of the pressure stability and accurate control. When this situation occurs, the back-end pressure will lead to the pilot valve diaphragm and the corresponding action of the adjusting spring to frequent automatic corrections, resulting in the pilot valve must be adjusted too often, so the pilot valve is particularly easy to be worn out.   Then how to solve it such as working conditions in the normal flow rate of 3000kg / h, the inlet pressure of 15BarG, set the pressure of 3BarG, then solve the problem with the following scheme: differential pressure with two pressure reducing valves in series with the pressure reducing station. The first pressure reducing valve will be DN40, set pressure is set to 8bar, from 15 to 8bar, the flow rate is 3300kg/h, the second pressure reducing valve will be DN50, set to 3bar, the pressure will be reduced from 8 to 3bar, the flow rate is 3030kg/h.   Each pressure reducer from the back end of the feedback conduit, copper pipe, the distance to 15 times the diameter of the pipe or 1 metre is appropriate, the pressure gauge is installed in the conduit at the back end of the spacing between the two pressure reducers at least 30 times the diameter of the pipe or more. If the installation location is not enough to require the distance between the two pressure reducing valves, each pressure reducing valve upstream and downstream are required to install a separate shut-off valve. If the above two situations occur at the same time, both large flow changes, and large differential pressure, then the series-parallel combination of pressure reducing station.
Latest company new about Hydrogen energy industry development into the fast lane, Wofly technology with hard power to seize the hydrogen energy market
2024/04/23

Hydrogen energy industry development into the fast lane, Wofly technology with hard power to seize the hydrogen energy market

Nowadays, the global energy industry is accelerating towards low-carbon, carbon-free and low-pollution development. In order to achieve "carbon neutrality", reducing carbon emissions and increasing forest "carbon sinks" are two important aspects. With industrial development and modernisation, energy demand will continue to surge in the future. Under the premise of safeguarding the overall incremental demand for energy, vigorously promoting the development of zero-carbon emission hydrogen energy, and transforming the structure of the energy cycle from the traditional "carbon cycle" to the "hydrogen cycle" is an important way to achieve the overall goal of carbon neutrality. The transformation of the energy cycle structure from the traditional "carbon cycle" to the "hydrogen cycle" is an important way to achieve the overall goal of carbon neutrality.     "Whoever gets the source gets the world". Hydrogen energy is rich in resources, high in energy density, clean and low-carbon, and sustainable. As a leader in the domestic electronic special gas enterprises, Wofly Technology Company is also working hard on "hydrogen", making full use of the mature and reliable technical capabilities and rich experience to produce more than 100 kinds of industrial gases, including "high-purity hydrogen", and has the responsibility and determination to cooperate with the government and enterprises to promote the clean-up of hydrogen energy. We have the responsibility and determination to do our best in cooperating with the government and enterprises to promote the construction of clean energy and help China build a clean, low-carbon, safe and efficient modern energy system.   The hydrogen energy industry chain mainly includes hydrogen production, storage and transport, hydrogen refuelling and other aspects. Among them, hydrogen storage and transport, as a link between the top and bottom, is a key bridge connecting the hydrogen production side and the demand side, which profoundly affects the rhythm and progress of hydrogen energy development. Wofly Technology has excellent performance and leading advantages in the above fields, and has the advantages of high safety, high efficiency and high reliability in the supply of hydrogen energy, and can provide high standard hydrogen storage and delivery system, and ensure quality, quantity and supply under the premise of ensuring safety, and is committed to building an industrial system of hydrogen energy preparation, purification, storage and transportation of hydrogen energy supply, and constructing a "hydrogen storage - hydrogen transportation - hydrogen refuelling" industrial system, and building a "hydrogen storage - hydrogen transportation - hydrogen refuelling" system. Hydrogen transport - hydrogen" integrated hydrogen infrastructure system, is expected to provide services for China's integrated circuits, display panels, photovoltaic energy, optical fibre cables, lithium batteries, medical and other related fields.     At present, the status of hydrogen energy in China's energy independent strategic system is self-evident, and hydrogen energy will play an important role in China's efforts to achieve carbon neutrality and carbon peak. Therefore, in the future, Wofly technology will firmly green development strategy, hard work, increase R & D efforts, and continue to technological innovation, equipment innovation, service innovation and management innovation, in order to provide the country, the community with green and clean energy, as well as industrial environmental protection pioneers as its own responsibility, in collaboration with multiple partners, to jointly promote the development of hydrogen energy industry and accelerate the application of green hydrogen energy, and to further explore the green hydrogen in the energy, We will further explore the value of green hydrogen in the fields of energy, coal chemical industry, refining and chemical industry, and make our own contribution to the "green low-carbon" and "net-zero emission".
Latest company new about Does flame arrestor belong to valve category? A brief introduction to the role and classification of flame arrestors
2024/04/15

Does flame arrestor belong to valve category? A brief introduction to the role and classification of flame arrestors

Ⅰ. Role of flame arrestor A flame arrestor is a safety device used to prevent accidents such as fires and explosions. It prevents the flame from spreading or the burning area from expanding by isolating the flame and heat at the potential explosion hazard. Ⅱ. the classification of flame arrestor Flame arresters can be divided into various types according to their construction and use, including: 1. Mechanical flame arrestor: It realizes the role of firestopping through mechanical devices, and will automatically shut down or disconnect the equipment when fire occurs to prevent the fire from expanding. 2. Chemical flame arrestor: to stop the spread of fire through chemical action, by spraying the chemical reaction agent to the burning area to achieve the purpose of extinguishing the fire source or reducing the temperature. 3. Gas type flame arrester: reduce the oxygen content in the burning area by spraying inert gas to achieve the purpose of extinguishing the fire. 4. Water Mist Fire Arrestor: By spraying fine water mist and air mixture, the fire is controlled by cooling and absorbing heat. Ⅲ. does the flame arrestor belong to the valve category? Flame arrestor is generally not categorized as a valve, because it does not control the flow and pressure of fluid medium by opening or closing, but by isolating, cooling, eliminating combustible gases or chemical reactions, etc. to achieve the role of firestopping. In some cases, however, a flame arrestor can also be considered a valve-like device. For example, at the inlet and outlet of a storage tank, a flame arrestor is used to prevent flammable gases from entering or spewing out, in which case the flame arrestor can be regarded as a valve.
Latest company new about Areas of application for high-purity gas piping systems
2024/04/03

Areas of application for high-purity gas piping systems

The project includes high-tech industries such as semiconductors, integrated circuits, flat panel displays, optoelectronics, automobiles, new energy, nano, fiber optics, microelectronics, petrochemicals, biomedicine, various laboratories, research institutes, and standard testing, etc. High purity gas pipeline technology     High purity gas piping technology is an important part of the high purity gas supply system and is an important technology for supplying high purity gases to the required supply point. The so-called high-purity gas piping technology includes the correct design of the system, the selection of fittings and accessories, the construction and installation, the testing and ...     Types of general gases   General gases are categorized in the general gas electronics industry as:General gases, also known as bulk gases:Hydrogen (H2), Nitrogen (N2), Oxygen (O2), Argon (A2) and other special gases (Specialty gases) Mainly Silicon Tetrachloride, Hydrogen Boride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, Boron Hexafluoride, and Boron Hexafluoride . etc. Types of special gases are usually categorized as corrosive, toxic, flammable, flammable-assisted, inert, and so on.     General semiconductor gases are categorized as follows     (1) Corrosive/toxic:Hydrochloric acid, BF3, WF6, HBr, silica, NH3, PH3, Cl2, Bcl 3, etc..     (ii)Flammability3336H2, CH4, SiH4, PH3, AsH3, SiH2Cl2, B2H6, CH2F2, CH3F, co. and so on.     (3) Flammability: O2, Cl2, N2O, NF3...etc.     (4) Semiconductor gases, such as noble gases: CF4, C2F6, C4F8, CO2, neon, krypton, helium.... Harmful to the human body.     In particular, some gases, such as SiH4, have the property of spontaneous combustion. Once a leak occurs, it will react violently with the oxygen in the air and begin to burn.AsH3 is also toxic. Minor leaks may harm people's lives. Because of these obvious dangers, the safety requirements for system design are particularly high.     Electronic special gas piping systems
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