| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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In the demanding environments of high temperature and significant differential pressure, SNT's multi-stage trim stands as a beacon of precision and longevity. It guarantees exact control while eliminating concerns of cavitation erosion and excessive noise. This assurance holds true regardless of whether the fluid is compressive or non-compressive. It boasts multiple advantages with its enhanced performance and unmatched durability, offering substantial reductions in maintenance expenses and overall system simplification. The elimination of ancillary equipment such as diffusers and silencers further cuts down equipment costs. Models available, such as 6862, 7500, and 9000, offer options tailored to fluid conditions, allowing for optimal selection based on functionality and pricing.
The core innovation of the multi-stage pressure-reducing labyrinth control valve is its throttling mechanism. This features multiple stacked metal discs with intricate labyrinth grooves. As the fluid navigates through these channels, it undergoes numerous collisions and changes in direction, effectively dissipating energy and controlling flow rate while gradually reducing pressure. Ideally suited for high-temperature and high-pressure drop scenarios, such as in nuclear power and energy plants, this technology primarily handles superheated steam but is equally effective for liquid mediums.
Body type |
AOC-6862 |
Body size |
1.1/2"(40)-24"(600) |
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 |
LT Impact Testing Machine | UT Test Equipment | MT Test Equipment
RT Test Equipment | PT Test Equipment | Metallurgical Microscope
SNT Machinery (Qingdao) Co., Ltd stands as a visionary leader in the realm of control valves, seamlessly integrating manufacturing, design, sales, and service into a cohesive powerhouse. Our headquarters are nestled in the vibrant city of Qingdao, Shandong province, sprawling over an impressive 42,000 square meters. Equipped with state-of-the-art workshops and cutting-edge production facilities, we are a beacon of high-tech innovation, boasting independent intellectual property rights and the benefits of world-class management and production expertise. Comprising over 150 dedicated professionals, our workforce features a remarkable 15% R&D specialists and 30% who are graduates or hold advanced degrees. With a robust production management team and a focus on pioneering R&D, we deliver an impressive array of high-quality valves for petrochemical, oil, and coal chemical industries. Our sales in 2017 alone approached an astonishing 100 billion.
SNT Machinery proudly possesses the prestigious TS special equipment manufacturing certificate alongside ISO 9001 accreditation. We have earned net qualification certificates from industry giants like SINOPEC, CNOOC, PETROCHINA, and SINOCHEM, while also securing numerous national patents for cutting-edge technologies. Our design and manufacturing capabilities encompass all series of valves that adhere to standards such as ANSI, API, DIN, BS, and JIS. By fusing the strengths of globally renowned valves with our own innovative R&D, we excel in producing a diverse portfolio of valves, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves, among others.
Our versatile product range spans V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. Our driving forms extend to manual operation, power-driven, pneumatic, and hydraulic systems. The materials utilized for main components include A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. We offer specifications ranging from 1/2" to 120", capable of withstanding working pressures from ANSI 150# to 2500#, and operating temperatures of -196ºC to 1100ºC.
Riding on the wave of advanced production technology and a robust quality assurance system, SNT Valves have become indispensable to sectors such as 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, SINOPEC Qingdao Refinery, among many others. Our valves are trusted by key players in the industry, forming the backbone of their operations.
At SNT, we prioritize the prosperity of our users, dedicating ourselves to the cultivation of superior quality and a reputable brand. Our comprehensive quality assurance and after-sales systems are designed to ensure that SNT valves are synonymous with excellence, collaborating with our customers to create shared success and enduring prosperity.
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