| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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In challenging environments characterized by extreme heat and significant pressure changes, SNT's multi-stage trim offers unmatched precision and longevity. It effectively tackles issues such as cavitation erosion and noise disturbance, ensuring seamless operation. Whether dealing with compressible or incompressible fluids, this series stands out with multiple benefits. Enhanced performance and resilience contribute to lower maintenance costs and system streamlining. By eliminating the need for additional equipment like diffusers and silencers, expenses on equipment are substantially reduced. With model options ranging from 6862, 7500 to 9000, you can select the most suitable one by evaluating both functionality and cost, tailored to specific fluid conditions.
The core of our multi-stage pressure-reducing labyrinth control valve is designed with precision, featuring stacked metal discs with intricate labyrinth grooves. This setup allows fluid to navigate through a series of calculated collisions and turns, dissipating energy efficiently. This advanced process not only manages flow rates but also gradually decreases pressure, making it ideal for scenarios with high temperatures and significant pressure drops, such as nuclear power and other power plants. While primarily used with superheated steam, it is versatile enough for various 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, and a State-of-the-Art Metallurgical Microscope
SNT Machinery (Qingdao) Co., Ltd is a pioneering leader in control valve production, harmoniously integrating manufacturing, innovative design, sales, and comprehensive services into a single entity. Embarking on a journey of rapid growth from a high starting point, SNT is strategically nestled in the vibrant city of Qingdao, Shandong province, sprawling over a vast 42,000m2 expanse. Our facility is a modern wonder, equipped with state-of-the-art workshops and advanced production equipment, standing as a testament to our commitment to cutting-edge innovation. Recognized as a high-tech enterprise, we pride ourselves on our independent intellectual property rights, enriched by imported advanced management and production expertise. Our team of over 150 dedicated professionals includes a robust 15% of R&D specialists, with 30% holding graduate or higher degrees. This formidable combination ensures that we deliver large quantities of premium quality valves, essential to the petrochemical, oil, and coal chemical industries. In 2017, we achieved a remarkable sales milestone, reaching nearly 100 billion.
SNT has proudly obtained the prestigious TS special equipment manufacturing certificate and ISO 9001 accreditation, reinforcing our commitment to quality and excellence. Additionally, we have secured the net qualification certificate from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM, further cementing our reputation. Our innovative spirit has led to numerous National Patents across various technologies. We are adept at designing and manufacturing 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 independent R&D capabilities, we offer an expansive portfolio of valves, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and T Three-eccentric Center Butterfly Valves.
Our diverse valve range continues with V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. These valves are available with multiple driving forms, including manual operation, power-driven, pneumatic, and hydraulic drives. The main components are crafted from premium materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, ensuring durability and reliability. Specifications range from 1/2" to 120" with working pressures from ANSI 150# to 2500#, and temperature capabilities from -196ºC to 1100ºC.
Supported by a robust framework of advanced production technology management and a rigorous quality assurance system, SNT Valves have become indispensable across a spectrum of industries, including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes names like SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Qingdao Refinery, and others, symbolizing our widespread presence and trusted partnerships.
At SNT, we prioritize our users' profits, dedicating ourselves to crafting unparalleled quality and building a reputable brand. Our impeccable quality assurance and responsive after-sales systems ensure that SNT valves forge strong alliances with all our customers, paving the way for collective prosperity and success.
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