| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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IIn challenging environments characterized by extreme temperatures and high differential pressures, SNT's multi-stage trim valves offer unparalleled precision control and longevity. Experience a service free from cavitation erosion and noise, whether dealing with compressive or non-compressive fluids. These valves deliver a multitude of benefits, enhancing performance and durability while minimizing maintenance costs and simplifying systems. The need for additional components, such as diffusers and silencers, is eliminated, resulting in reduced equipment costs. With models ranging from 6862, 7500, to 9000, you can select the ideal solution tailored to your specific fluid conditions by comparing functionalities and pricing.
The sleeve-guided series of multi-stage pressure-reducing control valves ingeniously transforms a single integrated throttling area into a sequence of multiple, separated throttling zones. This innovative design breaks down a larger pressure difference into several smaller, manageable reductions, ensuring each step maintains control above the saturation vapor pressure, effectively preventing cavitation. This series excels in liquid medium applications, offering superior performance in demanding scenarios.
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
The valve's internal components are meticulously engineered using advanced CFD fluid dynamics software simulations. Our expert software analysis and rigorous calculations, validated through comprehensive experimental tests, ensure that all process requirements are not just met but exceeded. In alignment with global standards, its flow characteristics adhere to the prestigious international standard IEC 60534.
Comprehensive Product Specifications
Our product range is impressively extensive, spanning high, medium, and low series, and even includes specialized series designed for unique conditions. The product boasts remarkable versatility, capable of seamlessly adapting to a variety of working conditions and control performance needs by simply swapping different types of internal components.
Independent Core Control Technology
Our product is equipped with a suite of high-pressure difference control technologies, expertly crafted to cater to the unique demands of diverse conditions. We have mastered the key component hardening process technology, significantly boosting product performance and enhancing reliability. Furthermore, it features a robust and dependable internal and external sealing structure design, compliant with eminent international standards such as TA-Luft/ISO 15848, reinforcing our commitment to quality and reliability.
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SNT Machinery (Qingdao) Co., Ltd., a beacon of innovation and quality in the realm of control valves, seamlessly integrates manufacturing, design, sales, and service. With an ambitious vision, SNT has rapidly advanced from a high starting point, flourishing in the vibrant city of Qingdao, Shandong province. Occupying a sprawling 42,000 square meters, the company is outfitted with state-of-the-art workshops and cutting-edge production equipment. As a prestigious high-tech enterprise, SNT boasts independent intellectual property rights and benefits from imported advanced management and production expertise. With a dedicated workforce of over 150 skilled professionals, 15% of whom are focused on R&D and 30% holding advanced degrees, SNT is at the forefront of technological innovation. Our exceptional production management team and pioneering R&D drive the mass production of top-tier valves, catering to the petrochemical, oil, and coal chemical sectors. Our remarkable sales achievement reached nearly 100 billion in 2017.
SNT proudly holds the TS Special Equipment Manufacturing Certificate and ISO 9001, in addition to securing the net qualification certificates from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. We are honored with numerous National Patents for technological advancements. Our expertise enables us to design and produce a comprehensive range of valves in strict adherence to ANSI, API, DIN, BS, and JIS standards. By synthesizing the best features of renowned global valves with our own innovative R&D, SNT can manufacture a diverse array of valves: GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and T Three-eccentric Center Butterfly Valves, amongst others.
Our extensive portfolio also 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 various actuation methods, such as manual operation, power-driven, pneumatic, and hydraulic systems. Our primary materials include A216 WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. We provide specifications from 1/2" to 120", with working pressures ranging from ANSI 150# to 2500#, and operating temperatures spanning -196ºC to 1100ºC.
Leveraging cutting-edge production technology and a robust quality assurance framework, SNT Valves have gained widespread recognition across petrochemical, oil, steel & iron, paper manufacturing, and power station industries. Our esteemed clientele includes SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and more. Our proven proficiency cements our reputation as a trusted partner to industry leaders.
Prioritizing our customers' success, we commit ourselves to delivering unparalleled quality and a reputable brand. Our meticulous quality assurance and comprehensive after-sales service systems ensure that SNT valves foster enduring partnerships and collective prosperity with our valued customers.
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