Basic Info.
Temperature
High Temperature
Structure
Through Way Globe Valve
Sealing Form
Bellows Globe Valve
Stem Thread Position
Outside Screw Stem Globe Valve
Application
Lining Fluorine Valve, Needle Type Globe Valve, Cryogenic Globe Valve, Plunger Type Globe Valve, Heat Preservation Globe Valve, Forged Steel Globe Valve, Oxygen Globe Valve, Bellows Globe Valve
Pressure Rating
ANSI150~ANSI2500
DN
Nps 1/2′′-Nps24′′(DN15-DN600)
Body Materials
A351 CF8/CF8m/A216wcb/A217wc9
Internals Materials
316ss/316lss
Leakage Class
ANSI B16.104IV/V/VI
Working Temperature
-55 Degree~+566 Degree
Connections
Flange/Butt Welding
Cover Form
Bellows Sealing Control Valves
Packing Materials
Flexible Graphite/PTFE
Specification
10cm*10cm*10cm
Product Description
Product Description
Introducing the AOC-6840W Series Bellows Sealed Control Valve-an epitome of superior engineering by SNT Machinery (Qingdao) Co., Ltd. This series takes the existing medium and low-pressure control valves to the next level by integrating a state-of-the-art bellows seal structure. By preserving the core structural excellence of our medium and low-pressure valves, we have enhanced the design with a bellows seal to comprehensively eradicate any chance of media leakage through the valve stem movement gap. This innovative feature makes the AOC-6840W series an ideal choice for advanced control systems handling highly toxic, corrosive, and volatile substances, as well as rare, penetrating, and valuable media. Experience unparalleled safety and reliability in controlling your most critical applications with our premium quality bellows sealing control valves, specifically designed for high-pressure applications.
Product Parameters
Test and Detection Equipment
In alignment with the stringent standards of ISO9001 and API SPECQ, SNT Machinery (Qingdao) Co., Ltd. meticulously crafts essential control methods, processes, and equipment, encompassing inspection and testing tools, as well as process apparatus. This meticulous approach ensures seamless compatibility across design, manufacturing, inspection, testing, installation, and service processes, guaranteeing their comprehensive execution. Our facilities are equipped with advanced material chemical constituents analysis devices, state-of-the-art imported metal spectrum analyzers, versatile universal tool microscopes, and robust mechanical performance re-inspection capabilities.
Our arsenal includes RT, UT, MT, PT, and other cutting-edge nondestructive inspection equipment, operated by a team of highly qualified inspectors with certified nondestructive inspection credentials. Furthermore, we boast an array of pressure test apparatus in various sizes, complemented by low-temperature test equipment and helium mass spectrometer leak detectors. This sophisticated suite facilitates comprehensive testing, including low emission helium mass spectrometer tests, rigorous high-pressure gas tests, precise vacuum tests, demanding fatigue tests, and thorough degreasing tests.
Technical R&D and Design
To enhance our prowess in innovating and developing cutting-edge products, SNT Machinery (Qingdao) Co., Ltd. has meticulously established the SNT Technical R&D Center. Here, a team of over 20 dedicated technical experts, including three distinguished senior engineers, is relentlessly engaged in pioneering research and development. Their mission is to craft new products tailored to ever-evolving market demands while simultaneously refining our existing offerings. This is achieved by leveraging both national and international state-of-the-art scientific research facilities.
We meticulously adopt design standards such as ASME, API, DIN, GB, JB, and SH, ensuring our products meet and exceed global benchmarks. By harnessing advanced design, calculation, and analysis software including CAD, SOLIDWORKS, ANSYS, and CFD, we skillfully analyze pressure bearing, stress concentration, and pressure-induced deformation of each component. This rigorous approach significantly amplifies the safety and reliability of our premium quality bellows sealing control valves for high-pressure applications. Test and Detection Equipments
Our state-of-the-art testing capabilities include the LT impact testing machine, designed for precision and reliability. Additionally, we offer UT test equipment that ensures comprehensive ultrasonic testing, along with MT test equipment for meticulous magnetic particle inspection.
We also provide a full suite of testing solutions such as RT test equipment for accurate radiographic testing and PT test equipment for precise penetrant testing. Moreover, our Metallurgical microscope offers high-resolution imaging for detailed material analysis.
Hardness test equipment tailored to deliver precise measurements for your quality assurance needs.
Advanced production and manufacturing systems
CNC lathe, engineered for superior performance and accuracy in automated machining processes. An internal and external grinding machine that offers unparalleled precision and smooth finish for grinding tasks. Our Plasma welding machine utilizes cutting-edge technology for high-quality, efficient welding applications.
4m Stem processing equipment, built to handle extensive production demands with ease. CNC wire cutting systems, delivering exceptional precision and efficiency in wire cutting operations. CNC drilling and milling equipment, designed to provide top-notch drilling and milling capabilities for complex manufacturing needs.
Company Profile
SNT Machinery (Qingdao) Co., Ltd, a prestigious name in the realm of control valves production, seamlessly integrates manufacturing, design, sales, and service into a singular powerhouse of innovation and excellence. Positioned in the dynamic city of Qingdao, Shandong province, our expansive 42,000 square meter facility boasts cutting-edge workshops and state-of-the-art production equipment. As a beacon of high-tech innovation, we pride ourselves on holding independent intellectual property rights while leveraging the wealth of global management and production expertise. Our team, comprising over 150 dedicated professionals, includes a vibrant 15% of R&D specialists and a remarkable 30% with graduate or higher degrees. Through our unwavering commitment to superior production management and pioneering technology research and development, we deliver an unparalleled volume of top-tier valves that are indispensable to the petrochemical, oil, and coal chemical industries. Our impressive sales revenue soared to nearly 100 billion in 2017, a testament to our relentless pursuit of excellence.
SNT has proudly achieved the TS special equipment manufacturing certification and ISO 9001 accreditation, further endorsed by the net qualification certificates from industry giants SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. With a portfolio of national patents in numerous technologies, we exhibit our prowess in designing and manufacturing an extensive range of valves compliant with ANSI, API, DIN, BS, and JIS standards. By synergizing the strengths of world-renowned valves and our unique research and development capabilities, we have mastered the production of a diverse spectrum of valves, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves.
Our selection also encompasses T Three-eccentric Center Butterfly Valves, V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves, among others. The driving mechanisms available include manual, power-driven, pneumatic, and hydraulic options. Our main components are crafted from premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Specifications range from 1/2" to 120", with working pressures spanning ANSI 150# to 2500# and operational temperatures from a chilling -196ºC to a blistering 1100ºC.
Harnessing advanced production technology management and an impeccable quality assurance system, SNT Valves have secured their place across a broad spectrum of industries, including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele features titans like SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and many more, reflecting our broad and influential reach.
At SNT, we place our customers' prosperity at the forefront, passionately dedicating ourselves to the creation of superior quality and an esteemed brand reputation. Our flawless quality assurance coupled with comprehensive after-sales support ensures that SNT valves are synonymous with success, fostering a synergistic partnership with our valued clients for a prosperous future.
Address:
Shiao International 1602, Shinan District, Qingdao, Shandong, China
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components
Management System Certification:
ISO 9001, ISO 20000, IATF16949, HSE
Company Introduction:
SNT Machinery(Qingdao)Co., Ltd. Stands as a leading authority in control valve manufacturing. Based in the strategic hub of Qingdao, Shandong province, our sprawling 42, 000m² Facility is outfitted with cutting-edge workshops and advanced production equipment. As a high-tech enterprise, we take pride in owning independent intellectual property rights and implementing cutting-edge international management and production techniques. Our team of over 150 dedicated professionals includes 15% R&D specialists and 30% with graduate degrees or higher. This commitment to excellence and innovation enables us to produce a diverse array of top-tier valves, widely utilized across the petrochemical, oil, and coal chemical industries. In an impressive milestone, our sales neared 100 billion in 2017. SNT proudly holds the prestigious TS special equipment manufacturing certificate and ISO 9001 certification. We are honored to possess net qualification certificates from industry titans including SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess has garnered us multiple national patents. We design and manufacture an extensive range of valves adhering to stringent ANSI, API, DIN, BS, and JIS standards. By merging the finest attributes of world-renowned valves with our innovative R&D, we offer a comprehensive portfolio featuring GLOBE Valves, High-Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and beyond.
Our product lineup showcases V Ball Valves, High Wear-resistant Ball Valves, High-Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves, available in manual, electric, pneumatic, and hydraulic driving forms. We use premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our specifications range from 1/2" to 120" in size, accommodating working pressures from ANSI 150# to 2500# and operating temperatures from -196º C to 1100º C. Utilizing our advanced production technology, precise management, and robust quality assurance systems, SNT valves earn trust across diverse industries including petrochemical, oil, steel, iron, paper manufacturing, and power stations. Our esteemed clientele features SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, among others. At SNT, we are devoted to maximizing customer profitability by consistently delivering superior quality and establishing a reputable brand. Our unwavering commitment to comprehensive quality assurance and exemplary after-sales services ensures that SNT valves cultivate enduring partnerships with our clients, driving mutual success and long-term prosperity.