BNN VALVE
Advanced Valve Technology, Leading Valve Manufacturing, And Comprehensive And Thoughtful Valve Technology Services
Technology, Products, Services
Guided By Customer Needs And Driven By Technological Innovation, We Are Rooted In China And Serve The World.
——Technical Transformation, Technical Exchange, Maintenance, And Domestic Substitution Of Non-standard Products.
Technical Consultation, Product Solutions, And Maintenance Services
——Exploration, Research And Development, Exquisite Craftsmanship——
Technical Consultation
The adoption of new technologies and the development of new products, especially high-tech products, may generate certain risks, which may cause losses to existing investment costs and determine the complexity of business and system functions in the new operating environment. Through technical expert consultation, we will assist clients in conducting detailed discussions and evaluations of the characteristics and specific business needs of new technologies, reducing the risks associated with developing new technologies and products.
Technical consulting services are conducted through the signing of a technical consulting contract, where the party requesting and paying for the contract subject matter is the principal, and the party providing specific technical project results is the commissioned party, i.e. the consultant. The subject matter of a technical consulting contract is extensive, including soft science research projects and professional technical projects related to science, technology, economy, and social development. During the performance of the technical consulting contract, the client shall provide technical information and working conditions to the consultant; The consulting party, with its specialized knowledge, information, skills, and experience, applies scientific methods and advanced means to conduct research and investigation, and writes a technical consulting contract, proposing suggestions and the best or several alternative solutions for the client to refer to when making decisions. Usually, the consulting firms providing technical advice are research institutions and colleges, while the commissioning parties are usually relevant national agencies, functional departments, and production enterprises.
Product Proposal
BNN has always been committed to relying on technological progress and continuous independent innovation. It actively cooperates with universities and research institutes to develop high-quality products using new technologies, processes, and materials. Especially in the materials of high-pressure wear-resistant valves, low-temperature and high-temperature engineering materials, special alloys, etc., it has conducted extensive research and application, making similar products reach international standards. Our main products include high-temperature and high-pressure wear-resistant metal sealed ball valves, metal sealed butterfly valves, high-pressure Y-shaped globe valves, bidirectional triple seal plug valves, eccentric disc plug valves, bidirectional rotating hemispherical valves, etc. The product specifications are DN15~DN2200, nominal pressure PN0.1~PN760, working temperature -196 ° C~700 ° C. The valve materials include carbon steel, alloy steel, stainless steel, Hastelloy alloy, nickel alloy, titanium alloy, zirconium material, etc. The driving modes include manual, electric, pneumatic, gas-liquid linkage, etc.
The product business scope covers: PetroChina, Sinopec, CNOOC, power plants, nuclear power, metallurgy, pharmaceuticals, environmental protection, military and other fields. Involving non-standard product technology transformation, technical exchange, maintenance and repair, domestic substitution, etc.
Repair Service
BNN has partnered with valve maintenance service partners from multiple locations to form a team of skilled engineers in operation and maintenance. We understand that providing international standard services not only requires quick response, but also better and more suitable solutions. National Rapid Response Service Centers: Shenyang, Zibo, Tianjin, Wuhan, Urumqi, etc. In order to further enhance our competitiveness, we fully utilize our regional advantages and combine "manufacturing" with "service" to quickly respond to customer needs with a "service" attitude. Our technical personnel have accumulated a wealth of control valve manufacturing and maintenance skills through long-term work experience. Using the manufacturing service system, sort out the technical standards and operating specifications for control valve point inspection, maintenance, and upkeep, and form a standardized plan for control valve point inspection and repair. Committed to serving every customer well. By fully communicating with users, understanding their needs, and tailoring maintenance plans for them.
BNN provides fast, convenient, and efficient maintenance, repair, and upkeep services for various control valves for enterprises in industries such as petroleum, chemical, metallurgical, pharmaceutical, fertilizer, electricity, and nuclear power; At the same time, provide various spare parts and vulnerable parts according to user needs. And we promise to provide a 12-month warranty for maintenance services and optional products and accessories.
Standard process: Communicate project content with customers - pre preparation - maintenance project planning - maintenance project execution - preparation of handover materials. The company's standardized maintenance process includes five steps, providing customers with professional and efficient high-speed maintenance and safety guarantees.
—— COMPANY PROFILE ——
Shanghai Bnn Valve Technology Co., Ltd. is a modern technology and research and development enterprise that integrates research and development, production, sales, and service. The company fully utilizes its personnel and technological advantages and has established good strategic partnerships with multiple companies in the valve industry. With technological innovation as the core and customer market orientation, it adheres to the concept of quality first and focuses on the research and development, production, and technological transformation of high-quality and high-end valves. In response to the national policy of "substituting the country for progress", we aim to address valve issues related to the renovation, replacement, maintenance, and repair of imported valves in various industries. Committed to creating more professional, high-quality, safe, technological, and advanced valve products and technical services in the global valve field.
+ Years Of Industry Experience
+ Home Service Customers
+ Intellectual Property Rights
New Product
—— New Technologies And Processes ——
Half Plug Plug Valve
Plug valve: a valve that uses a plug body with a through-hole as the opening and closing component. The plug body rotates with the valve stem to achieve opening and closing actions. A small unfilled plug valve is also known as a "cock". The plug body of a plug valve is mostly conical (or cylindrical), which cooperates with the conical hole surface of the valve body to form a sealing pair. Plug valve is the earliest type of valve used, with a simple structure, quick opening and closing, and low fluid resistance. Ordinary plug valves rely on direct contact between the precision machined metal plug body and the valve body for sealing, resulting in poor sealing performance, high opening and closing force, and easy wear. They are usually only suitable for low (not higher than 1 megapascal) and small diameter (less than 100 millimeters) applications. In order to expand the application scope of plug valves, many new structures have been developed.
A plug valve is also a rotary valve in the form of a closing member or plunger, which can be opened or closed by rotating 90 degrees to connect or separate the channel port on the valve plug and the channel port on the valve body.
The shape of the valve plug can generally be cylindrical or conical. In cylindrical valve plugs, the channel is generally rectangular; In the conical valve plug, the channel is trapezoidal. These shapes make the structure of the plug valve lightweight. It is most suitable for use as a cutting and connecting medium as well as for diversion, but depending on the nature of the application and the erosion resistance of the sealing surface, it can sometimes also be used for throttling. Commonly used plugs can be divided into two forms: full bore and Venturi.
The semi plug plug valve developed by our company combines the characteristics of a plug valve with its structure to change the sealing contact surface area of the plug valve and reduce the opening torque force. The plug body is 2/3 the size of a normal plug body, reducing the contact area between the plug body and the valve sleeve, reducing the weight of the plug body, greatly reducing the frictional force when the valve is opened and closed, reducing the torque force borne by the valve plug, and making it easy to open.
Bidirectional Sealed Rotary Valve
Bidirectional sealed rotary valves are suitable for occasions where strict standards are required for sewage treatment, pulp, alumina, and urban heating; Suitable for controlling power plants, hydraulic slag removal, or gas transmission pipelines. Structural form: There are two types of appearance structures: 1. Upper structure: mainly for media with severe erosion and wear. The upper structure is very convenient for replacing and repairing damaged opening and closing parts, without the need to remove the entire valve from the pipeline, greatly saving maintenance time and costs. 2. Side mounted: The side mounted structure is compact and the valve is lightweight, making it suitable for applications that require space for valve installation.
Allocate and change the flow direction of the medium. Bidirectional sealed rotary valve is a widely used new type of valve, which has the following advantages:
1. The fluid resistance is small, and its resistance coefficient is equal to that of a pipe segment of the same length.
2. Simple structure, small size, and light weight.
3. Tight and reliable, the sealing surface material of ball valves is widely made of plastic, with good sealing performance, and has also been widely used in vacuum systems.
4. Easy to operate, quick opening and closing, only need to rotate 90 ° from fully open to fully closed, making it convenient for remote control.
5. Easy maintenance, simple ball valve structure, and generally movable sealing rings make disassembly and replacement relatively convenient.
When fully open or fully closed, the sealing surfaces of the ball and valve seat are isolated from the medium, and when the medium passes through, it will not cause erosion of the valve sealing surface.
7. It has a wide range of applications, with diameters ranging from tens of millimeters to hundreds of millimeters, and can be used from high vacuum to high pressure. When the ball rotates 90 degrees, it should appear spherical at both the inlet and outlet to intercept the flow.
Metal hard sealed ball valves are used in the mining, refining, processing, and pipeline transportation systems of oil, natural gas, coal, and ore; In the production of chemical products, pharmaceuticals, and food; In the power production systems of hydropower, thermal power, and nuclear power; In the water supply and drainage, heating, and gas supply systems of cities and industrial enterprises; Widely used in the metallurgical production system, it is an important mechanical product closely related to production construction, national defense construction, and people's lives.
High Pressure All Metal Hard Sealed Ball Valve
Metal hard sealed ball valves are suitable for various pipelines ranging from Class 150 to Class 2500 and PN16 to PN160, and are used to cut off or connect media in pipelines. By selecting different materials, BNN's metal hard sealed ball valves can be applied to various media such as non corrosive media, weakly corrosive media, nitric acid, acetic acid, oxidizing media, urea, etc., especially suitable for harsh working conditions such as solid particle media, slurry, coal powder, ash residue, etc. The driving methods for metal hard sealed ball valves are manual, worm gear transmission, pneumatic or electric. Metal hard sealed ball valves are generally connected by flanges, but can also be connected by butt welding.
Metal seated ball valves and valve seats are key components of metal seated ball valves. Suitable for extreme high pressure, high temperature, and grinding conditions, such as cutting or connecting solid particles, slurries, coal power, slag, steam water, or other liquids. Therefore, it has an anti-static structure, super strong coating, full hole and small hole, in compliance with API607 fire resistance and reliable sealing performance.
The high-pressure hard sealed ball valve solves the problems of adhesive tape on the sealing surface and high temperature jamming. The floating metal hard sealed ball valve adopts an elastic loading structure, which ensures the contact between the sealing surface of the ball and the valve seat under normal closing conditions. Under high temperature conditions, it can effectively compensate for the thermal expansion of the internal components and avoid jamming caused by high turbidity, making it suitable for small and medium-sized high-temperature applications.
Metal hard sealed ball valves are used in the mining, refining, processing, and pipeline transportation systems of oil, natural gas, coal, and ore; In the production of chemical products, pharmaceuticals, and food; In the power production systems of hydropower, thermal power, and nuclear power; In the water supply and drainage, heating, and gas supply systems of cities and industrial enterprises; Widely used in the metallurgical production system, it is an important mechanical product closely related to production construction, national defense construction, and people's lives.
Triple Sealed Plug Valve
Plug valve: a valve that uses a plug body with a through-hole as the opening and closing component. The plug body rotates with the valve stem to achieve opening and closing actions. A small unfilled plug valve is also known as a "cock". The plug body of a plug valve is mostly conical (or cylindrical), which cooperates with the conical hole surface of the valve body to form a sealing pair. Plug valve is the earliest type of valve used, with a simple structure, quick opening and closing, and low fluid resistance. Ordinary plug valves rely on direct contact between the precision machined metal plug body and the valve body for sealing, resulting in poor sealing performance, high opening and closing force, and easy wear. They are usually only suitable for low (not higher than 1 megapascal) and small diameter (less than 100 millimeters) applications. In order to expand the application scope of plug valves, many new structures have been developed. Plug valve is a type of quick opening and closing straight through valve. Due to the wiping effect of the movement between the sealing surfaces, it can completely prevent contact with the flowing medium when fully opened. Therefore, it is usually used for media with suspended particles. Another important feature of it is that it is easy to adapt to multi-channel structures, so that a valve can obtain two, three, or even four different flow channels. This can simplify the design of pipeline systems, reduce the number of valves used, and minimize the need for some connecting accessories in equipment.
advantage:
1. Plug valves are used for frequent operation, with quick and easy opening and closing.
2. The plug valve has low fluid resistance.
3. The plug valve has a simple structure, relatively small volume, light weight, and is easy to maintain.
4. Good sealing performance.
5. Unrestricted by installation direction, the flow direction of the medium can be arbitrary.
6. No vibration, low noise.
Our company has improved the structure of the valve stem combination packing, which consists of high-density rings, low-density rings, and molded flexible graphite rings. The high-density ring and low-density ring are both set with angles to form an angle difference. During the compression process, the angle deformation is caused by squeezing, resulting in radial tension and achieving a leak free sealing effect. Combining the sealing of the valve plug to form an exclusive triple sealing form, while ensuring valve sealing and extending the service life of the packing.
Triple Eccentric Pure Metal Hard Sealed Butterfly Valve
With the continuous development of modern industrial technology, the application scope of butterfly valves has far exceeded the past and can almost replace most traditional valves, widely used in various fields of industry. Especially the three eccentric pure metal hard sealed butterfly valve is more eye-catching.
Boning has specially developed a three eccentric pure metal hard seal butterfly valve for high-risk working conditions of high temperature and high pressure media. The entire process of structural design, stress analysis, raw material selection, processing technology, inspection, and testing is carried out in accordance with the most stringent international standards. On the basis of fully digesting and absorbing international advanced technology, combined with patented technology with independent intellectual property rights. The structural optimization design focuses on preventing internal and external leakage, high temperature resistance, and service life of valves, so that valves can achieve reliable sealing under high temperature and high pressure conditions, and achieve safe, effective, and long-term operation.
The three eccentric metal sealed butterfly valve uses torque to cut off the valve, so the valve seat has excellent sealing performance and can achieve zero leakage.
Temperature: -253 ° C~815 ° C
Pressure level: Class150~2500
Pipe diameter ranges from NPS80mm to NPS2200mm
Perform stress analysis on key pressure bearing components such as valve bodies and butterfly plates using finite element analysis methods. Simulate pressure and temperature through multidimensional validation (FEA). By utilizing the latest technological innovations in design, valves can achieve optimal performance. This process ensures that the actual product meets the final requirements before manufacturing.
The metal sealed butterfly valve can achieve dual functions of cutoff and adjustment. The flow characteristics are shown in the diagram. When the butterfly valve opening angle is between 20 ° and 70 °, it can achieve approximately equal percentage characteristics and meet the special performance requirements of users through special design.
Using PRO/E and UG software for modeling, the product drawings are directly converted into part processing programs, and specialized fixtures are used to ensure that the machining dimensions of the mating surfaces are fully matched, ensuring zero leakage of the product.
Three eccentric geometric structures
1. The valve shaft is located behind the valve seat shaft, allowing the seal to fully and tightly wrap around the entire valve seat.
2. The centerline of the valve shaft deviates from the centerline of the pipeline and valve, which avoids interference from valve opening and closing.
3. The valve seat cone axis deviates from the centerline of the valve shaft, which can eliminate friction during the closing and opening process and achieve a uniform and consistent compression sealing effect around the entire valve seat.