| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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In the realm of severe service conditions, characterized by high temperatures and significant differential pressures, SNT's innovative multi-stage trim delivers unparalleled precision in control and a commendable lifespan. It effectively eliminates issues related to cavitation erosion and noise, regardless of whether the fluid is compressive or non-compressive. This extraordinary series of control valves boasts numerous advantages, notably enhanced performance and exceptional durability, which collectively lead to reduced maintenance expenses and streamlined system configurations. With the elimination of auxiliary components such as diffusers and silencers, the equipment costs are further minimized. Available models range from 6862 to 7500 and 9000, allowing selection of the most suitable option based on fluid conditions, functionalities, and pricing considerations.
The sleeve-guided, multi-stage pressure-reducing control valve redefines control by transforming a singular integrated throttling zone into a series of multiple, separated throttling areas. This innovative design converts substantial pressure differentials into a succession of smaller, manageable pressure drops, ensuring that each reduction remains above the saturation vapor pressure, effectively preventing cavitation. This advanced solution is predominantly applied in scenarios involving liquid medium operations, providing reliable and efficient control.
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
Our valves showcase an intricate design of internal components, meticulously crafted using cutting-edge CFD fluid dynamics software simulations. With thorough professional software analysis and precise calculations, rigorously verified through rigorous experimentation, these valves exemplify a masterful alignment with process requirements. This assures you that their flow characteristics adhere to the esteemed international standard IEC 60534.
Comprehensive Product Specifications
Our extensive product range is a testament to engineering excellence, embracing high, medium, and low series, alongside specialized series tailored for unique conditions. Demonstrating remarkable versatility, our products seamlessly adapt to diverse working environments and control performance needs. This is achieved effortlessly by the direct replacement of various internal components, ensuring optimal functionality across applications.
Independent Core Control Technology
Boasting a suite of high-pressure difference control technologies, our valves cater to the distinct demands of varied conditions. We have mastered the art of key component hardening process technology, enhancing both the product's exemplary performance and its unwavering reliability. Additionally, our valves are designed with a robust and secure internal and external sealing structure, fully compliant with prestigious international standards such as TA-Luft/ISO 15848.
LT Impact Testing Machine, UT Test Equipment, MT Test Equipment
RT Test Equipment, PT Test Equipment, Metallurgical Microscope
SNT Machinery (Qingdao) Co., Ltd is a distinguished manufacturer specializing in control valves. We seamlessly integrate manufacturing, design, sales, and service to deliver unmatched value. Strategically situated in the vibrant city of Qingdao, Shandong province, our cutting-edge facilities span 42,000 square meters and are equipped with state-of-the-art production equipment. As a high-tech enterprise, we boast independent intellectual property rights and draw upon global best practices in management and production. Our passionate team of over 150 professionals includes a dynamic R&D group, comprising 15% of our workforce, and 30% are graduates and postgraduates. With a commitment to excellence and innovation, we produce a substantial volume of top-tier valves for the petrochemical, oil, and coal chemical industries, achieving a remarkable sales milestone of nearly 100 billion in 2017.
SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001, alongside net qualification certificates from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our groundbreaking technologies have earned us numerous national patents. We excel in designing and manufacturing an extensive range of valves that adhere to stringent ANSI, API, DIN, BS, JIS standards. By blending global valve technologies with our own innovative research, we offer a diverse portfolio, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves. Our capabilities extend to 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.
Our valves accommodate various operational needs with driving forms such as manual, power-driven, pneumatic, and hydraulic systems. Premium materials like A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M are meticulously selected to ensure durability and performance. Designed to meet specifications ranging from 1/2" to 120", our valves support working pressures from ANSI 150# to 2500# and can withstand temperatures between -196ºC and 1100ºC.
Backed by our advanced production technology and stringent quality assurance systems, SNT valves have garnered trust and widespread adoption in industries such as petrochemical, oil, steel & iron, paper manufacturing, and power generation. Our prestigious clientele includes renowned names like SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, and PETROCHINA Ningxia branch, among others.
At SNT, we prioritize our customers' prosperity, dedicating ourselves to building a reputation for exceptional quality and a strong brand presence. Our comprehensive quality assurance and after-sales support systems ensure that we forge lasting partnerships with our clients, paving the way for mutual success and growth.
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