| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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IntroductionIn the realm of severe services characterized by high temperatures and substantial differential pressures, SNT Machinery's Reliable Cage Guided Multi-stage Axis Flow Control Valves stand out as paragons of precision and endurance. These valves, crafted for optimal performance, ensure flawless control and extended lifespan, effectively mitigating issues like cavitation erosion and noise disturbances, regardless of whether the fluid in question is compressive or non-compressive. This exemplary series boasts multiple advantages, primarily through its enhanced performance and durability, leading to significant reductions in maintenance costs and simplification of system design. With the elimination of additional components such as diffusers and silencers, equipment expenses are further minimized. Models like 6862, 7500, and 9000 are available, allowing users to choose the most suitable variant based on fluid conditions, balancing functionality and pricing effectively.
The sleeve-guided series multi-stage pressure-reducing control valve redefines the integrated throttling area by dividing it into multiple distinct throttling zones in series. This innovative design transforms a significant pressure differential into several manageable, smaller differences. This ensures that each stage of pressure reduction maintains control above the saturation vapor pressure, thereby averting cavitation. Predominantly, this sophisticated technology finds its application in scenarios involving liquid media, where precise control is paramount.
Body type |
AOC-7500 |
Body size |
1''-16''(400A) |
Body rating |
ANSI 150-2500 |
Fluid temperature |
-196~+566ºC |
Connections |
(RF,RTJ), (SW,BW)Flanged (RF,RTJ),Butt Weld,Socket Weld |
Body materials |
A216 WCB/C,A217 WC6/9,A352 LCB/C,A351 CF8,A351 CF8M,A105,F11,F22,etc. |
Trim materials |
AISI 410SS+HF,17-4PH H900,SUS316+STL,INCONEL,A182 F6NM+HF,etc. |
Range-ability |
50:1-100:1 |
Range-ability |
Linear,Modified Linear,Modified EQ% |
Metal seat/Soft seat Leakage |
Cv×0.01% ANSI Class IV,V or MSS-SP-61 ANST CLASS VI |
Trim Levels |
Up to Level 24 |
Actuator combination |
1-X280: Pneumatic Diaphragm Actuator |
1-X250: Pneumatic Diaphragm Actuator |
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1-X400: Pneumatic Cyilnder Actuator |
High Control Precision
Expertly engineered for exceptional control, the valve's internal components are meticulously crafted utilizing advanced CFD fluid dynamics software. Through rigorous professional analysis and comprehensive calculations, each design is validated via thorough experimentation to ensure stringent process requirements are met. Its superior flow characteristics are aligned with the prestigious international standard IEC 60534, guaranteeing you precision performance at every turn.
Comprehensive Product Specifications
Our product lineup is vast and versatile, featuring a full spectrum of high, medium, and low series to accommodate every need. Additionally, we offer series specifically engineered for unique and demanding conditions, ensuring strong adaptability and seamless compatibility. By easily interchanging different types of internal components, our products effortlessly meet varying operational demands and precise control performance standards.
Independent Core Control Technology
Equipped with a suite of high-pressure difference control technologies, our valves expertly address the special requirements of diverse conditions. We are pioneers in key component hardening processes, significantly elevating product performance and reliability. With a robust and dependable internal and external sealing design, our valves meet and exceed stringent international standards such as TA-Luft/ISO 15848, assuring you of unparalleled safety and quality.
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SNT Machinery (Qingdao) Co., Ltd. stands as a distinguished leader in the realm of control valve production, seamlessly integrating manufacturing, design, sales, and service into one cohesive powerhouse. Established with a superior foundation and dynamic growth trajectory, SNT is strategically located in the vibrant city of Qingdao, Shandong province, boasting a sprawling 42,000m2 facility furnished with cutting-edge workshops and state-of-the-art production equipment. As a high-tech enterprise with proprietary intellectual property rights and infused with international management and production expertise, SNT is at the forefront of innovation. Our dynamic team, exceeding 150 dedicated professionals, includes 15% R&D specialists and 30% of staff holding graduate or higher degrees. With an unwavering commitment to excellence in production management and pioneering technological research, SNT consistently delivers high-quality valves in large volumes for petrochemical, oil, and coal chemical industries. Remarkably, we achieved a sales value nearing 100 billion in 2017.
Presently, SNT proudly holds the TS Special Equipment Manufacturing Certificate and ISO 9001 certification, alongside the prestigious net qualification certificates from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our portfolio includes numerous national patents showcasing our technological prowess. We are adept at crafting and customizing a comprehensive range of valves to align with ANSI, API, DIN, BS, JIS standards. By amalgamating global valve innovations with our own groundbreaking research and development, we offer an extensive collection of valves. Our product lineup includes 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, among others.
Our diverse range of valves encompasses 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. We provide versatile operation modes, including manual, power-driven, pneumatic, and hydraulic. The main components are crafted from high-grade materials like A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, ensuring robust performance and reliability. Our specifications range from 1/2" to 120", with working pressures from ANSI 150# to 2500#, and operational temperatures spanning from -196ºC to 1100ºC.
Leveraging advanced production technology and a stringent quality assurance system, SNT valves have earned a stellar reputation and widespread application across industries like petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele features industry giants such as SINOPEC QILU Branch, SINOPEC Qingdao Branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi Branch, PETROCHINA Ningxia Branch, SINOPEC Qingdao Refinery, and more. Our commitment to quality and reliability has cemented strong partnerships with these reputable enterprises.
At SNT, our customer's success is our highest priority. We are passionately dedicated to establishing an illustrious brand synonymous with superior quality and excellence. Our impeccable quality assurance and comprehensive after-sales service systems ensure that SNT valves forge lasting, prosperous relationships with all our valued clients, driving mutual growth and success.
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