| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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Designed for the most challenging environments, SNT Machinery's multi-stage cage valves excel in high-temperature and high differential pressure settings. Our sophisticated multi-stage trim ensures unparalleled control precision and longevity, effectively eliminating common issues like cavitation erosion and noise disturbances. Whether dealing with compressive or non-compressive fluids, this series of valves offers multiple advantages, boasting enhanced performance and remarkable durability, which in turn results in lowered maintenance costs and system simplification. As diffusers and silencers are rendered unnecessary, equipment costs are considerably reduced as well. With options ranging from 6862, 7500, to 9000, depending on the specific fluid conditions, the ideal model can be selected by comparing functions and prices.
The ingenious multi-stage pressure-reducing combined labyrinth control valve features a core throttling component made of multiple stacked metal discs etched with labyrinthine grooves. As fluid navigates these intricate channels, it encounters numerous collisions and directional changes, effectively dissipating energy. This meticulous process allows for precise flow rate management while progressively minimizing pressure. These valves are predominantly utilized in specialized applications with extreme temperature and pressure drops, such as in nuclear and power plant operations. Although typically handling superheated steam, they are equally efficient with 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 |
Comprehensive Inspection Suite: LT Impact Testing Machine, UT Test Equipment, MT Test Equipment
Precision Analysis Tools: RT Test Equipment, PT Test Equipment, Metallurgical Microscope
SNT Machinery (Qingdao) Co., Ltd. stands as a distinguished leader in the production of control valves, seamlessly integrating manufacturing, design, sales, and service. With an auspicious inception and rapid growth, SNT is nestled in the heart of Qingdao, Shandong Province, sprawling across an impressive 42,000 square meters. Our facility is equipped with cutting-edge workshops and production machinery. As a high-tech enterprise, we boast independent intellectual property rights and have embraced advanced management and production methodologies from around the globe. Our dynamic team of over 150 employees includes 15% R&D specialists and 30% holding graduate degrees or higher. Our dedication to superior production management and innovative research has elevated us to produce vast quantities of premium valves for the petrochemical, oil, and coal chemical sectors, achieving a remarkable sales value nearing 100 billion in 2017.
SNT has proudly obtained the TS Special Equipment Manufacturing Certificate and ISO 9001, alongside key qualifications from industry giants like SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. With numerous National Patents, we excel in designing and manufacturing a comprehensive array of valves that adhere to ANSI, API, DIN, BS, and JIS standards. We ingeniously blend the best features of globally renowned valves with our own pioneering research and development efforts. Our diverse 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 extensive valve range also features 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 driving forms, including manual, power-driven, pneumatic, and hydraulic. We meticulously select materials for key components such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our specifications span from 1/2" to 120", with working pressures ranging from ANSI 150# to 2500#, and working temperatures from a chilling -196ºC to a searing 1100ºC.
Leveraging advanced production technologies and a robust quality assurance framework, SNT Valves have become integral in the petrochemical, oil, steel & iron, paper manufacturing, and power station industries. Esteemed customers such as SINOPEC QILU, SINOPEC Qingdao, CNOOC Huizhou Refinery, PETROCHINA Guangxi, PETROCHINA Ningxia, and SINOPEC Changling, among others, trust our valves for their critical applications.
At SNT, we prioritize maximizing our clients' profitability, dedicating ourselves to crafting exceptional quality and building a reputable brand. Our comprehensive quality assurance and after-sales support systems ensure that SNT valves are synonymous with excellence and reliability, fostering prosperous partnerships with every customer.
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