Bellows Sealing Control Valves for ANSI150 to ANSI2500 Pressure Ratings with Stainless Steel Materials

• Customization: Available
• Media: Gas
• Temperature: High Temperature
• Model NO.: AOC-6840W
• Actuator: Pneumatic
• Material: Stainless Steel
• 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
• Standard: GB, ANSI, BSW
• 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
• Transport Package: Wooden
• Specification: 10cm*10cm*10cm
• Trademark: SNT
• Origin: China
• HS Code: 8481804090
• Production Capacity: 500000PCS/Year

Product Description

Product Description

Introducing the AOC-6840W Series Bellows Sealed Control Valve, a remarkable evolution in control valve technology by SNT Machinery (Qingdao) Co., Ltd. This advanced valve series builds on the robust design of our existing medium and low-pressure control valves, now enhanced with a cutting-edge bellows seal structure. This innovative feature ensures exceptional sealing capabilities, effectively eliminating any risk of media leakage through the valve stem movement gap. As a result, the AOC-6840W Series is the perfect solution for control systems dealing with highly toxic, corrosive, volatile, or highly penetrating media, as well as rare and valuable substances. Experience unparalleled safety and performance with our state-of-the-art bellows sealing control valves, accommodating pressure ratings from ANSI150 to ANSI2500.

 

Product Parameters

Test and Detection Equipment

 

^{In alignment with the stringent standards of ISO9001 and API SPECQ, SNT Machinery (Qingdao) Co., Ltd. meticulously crafts and implements essential control methodologies, processes, and equipment. This includes our state-of-the-art inspection and testing apparatus, alongside cutting-edge process equipment, ensuring seamless integration and total system compatibility across design, manufacturing, inspection, testing, installation, and service. Our arsenal features advanced material chemical constituent analysis equipment, high-precision imported metal spectrum analyzers, versatile universal tool microscopes, and robust mechanical performance re-inspection capabilities.}

 

^{Our facility boasts an impressive array of nondestructive inspection equipment such as RT, UT, MT, and PT, handled by a team of highly qualified inspectors, each possessing esteemed nondestructive inspection certification. Moreover, we are equipped with a variety of pressure test apparatus, low temperature test equipment, and sophisticated helium mass spectrometer leak detectors. This extensive suite supports low emission helium mass spectrometer tests, high-pressure gas evaluations, vacuum assessments, fatigue tests, and comprehensive degreasing tests, ensuring unparalleled precision and reliability.}

Technical R&D and Design

<sup>In our relentless pursuit of innovation, we have proudly established the SNT Technical R&D Center. This hub of creativity and technical prowess is powered by a dedicated team of over 20 front-line technical experts, including 3 distinguished senior engineers. They are committed to pushing the boundaries of product development, crafting solutions that not only meet but anticipate market demands. Armed with state-of-the-art national and international scientific research facilities, our team enhances existing products while breaking new ground in product innovation.

Our engineering excellence is reflected in our adherence to the highest international standards, including ASME, API, DIN, GB, JB, and SH for design. We leverage advanced software tools such as CAD, SOLIDWORKS, ANSYS, and CFD for rigorous design, calculation, and analysis. This allows us to precisely understand and manage pressure bearing, stress concentration, and deformation across all pressure components, enhancing the safety and reliability of our products to new heights.</sup>

 

Test and Detection Equipments

Our sophisticated testing arsenal includes the LT Impact Testing Machine for rigorous impact analysis, UT Test Equipment for precise ultrasonic testing, and MT Test Equipment for meticulous magnetic particle testing.
 

We offer comprehensive testing solutions with our RT Test Equipment for reliable radiographic inspection, PT Test Equipment for thorough penetrant analysis, and a Metallurgical Microscope for detailed material study.

Hardness Test Equipment: Ensuring the durability and reliability of materials through precise and accurate hardness measurements.

Advanced Production and Manufacturing Systems
 

CNC Lathe: Our state-of-the-art CNC lathe ensures high precision and efficiency for all your machining needs. Internal and External Grinding Machine: Obtain unparalleled finish and accuracy with our precision grinding solutions. Plasma Welding Machine: Experience superior welding quality with our cutting-edge plasma welding technology.
 

4m Stem Processing Equipment: Optimize your manufacturing process with our advanced 4m stem processing capabilities. CNC Wire Cutting: Achieve exceptional accuracy and intricate design capabilities with our CNC wire cutting technology. CNC Drilling and Milling Equipment: Enhance your production efficiency with our versatile CNC drilling and milling machinery.

 

Company Profile

<sup>SNT Machinery (Qingdao) Co., Ltd artfully combines the brilliance of production, design, sales, and service into one synergistic entity to craft exceptional control valves. Nestled in the vibrant city of Qingdao within Shandong Province, our expansive 42,000m2 facility boasts state-of-the-art workshops and cutting-edge production equipment. As a proudly high-tech enterprise, SNT stands as a beacon of innovation with its independent intellectual property and the savvy import of advanced management and production practices. Our dynamic workforce of over 150 includes a dedicated team of R&D specialists who make up 15% and a remarkable 30% holding graduate or higher degrees. We pride ourselves on our high-caliber production management team and pioneering technology development, allowing us to deliver top-quality valves for the petrochemical, oil, and coal chemical sectors. Our efforts culminated in a sales value nearing 100 billion in 2017.

At SNT, we proudly possess the TS special equipment manufacturing certificate, ISO 9001 certification, and net qualification certificates from industry giants like SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. We are pioneers, holding numerous National Patents across various technologies. Our expertise enables us to design and manufacture an extensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By fusing the strengths of globally renowned valve designs with our innovative research, we have mastered the creation of diverse valve types, such as GLOBE Valves, High-Pressure Boiler Blow-down Valves, High-Performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and T Three-eccentric Center Butterfly Valves.
Our expansive valve repertoire includes V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. We offer a variety of driving forms, including manual operation, power-driven, pneumatic, and hydraulic systems. The main components are crafted from premium materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M. Specifications range from 1/2" to 120", with a robust working pressure span of ANSI 150# to 2500# and a versatile working temperature range from -196ºC to 1100ºC.

With our advanced production technology and stringent quality assurance system, SNT Valves are a trusted choice across a myriad of industries, including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele features distinguished names such as SINOPEC QILU and Qingdao branches, CNOOC Huizhou Refinery, PETROCHINA Guangxi and Ningxia branches, and SINOPEC Changling and Jinan branches, all testaments to the quality and reliability of our products.

At SNT, the prosperity of our clients is our paramount concern. We dedicate ourselves to crafting unparalleled quality and building a strong brand presence. Our comprehensive quality assurance and after-sales service systems ensure that SNT valves not only meet but exceed expectations, fostering enduring partnerships and mutual success with all our valued customers.</sup>