| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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In the demanding realm of high-temperature and high-pressure differential services, SNT Machinery's advanced multi-stage trim control valves stand out as paragons of precision and longevity. These valves ensure precise control and boast an extended lifespan, effectively mitigating risks associated with cavitation, erosion, and unwanted noise disturbances. This outstanding performance is consistently reliable across both compressive and non-compressive fluid types, ensuring top-tier efficiency. The advantages of this series are manifold, significantly enhancing performance and durability while facilitating maintenance cost reductions and seamless system simplification. By eliminating the need for additional elements such as diffusers and silencers, equipment costs are notably minimized. With models ranging from 6862 to 9000, depending on fluid conditions, an ideal selection can be made by evaluating both functionality and pricing.
The core of the multi-stage pressure-reducing labyrinth control valve is ingeniously designed with multiple stacked metal discs featuring intricate labyrinth grooves. As fluid navigates through these channels, it encounters numerous collisions and directional shifts, dissipating energy efficiently. This not only moderates the flow rate but also gradually eases pressure. Primarily utilized in challenging scenarios with high temperatures and pressure drops, such as nuclear and power plants, this innovation is adept at handling superheated steam and equally proficient with liquid mediums.
Body type |
AOC-9000 |
Body size |
1''-36''(900A) |
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 40 |
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 vanguard in the manufacturing of control valves, seamlessly integrating design, production, sales, and services into a unified powerhouse. Our journey of rapid evolution, founded on a solid base, is rooted in our expansive Qingdao, Shandong province headquarters sprawled across a sprawling 42,000m2. Here, cutting-edge workshops and state-of-the-art production facilities form the backbone of our operations. As a distinguished high-tech enterprise, SNT boasts independent intellectual property rights complemented by globally-sourced advanced management and production methodologies. Our dynamic team of over 150 skilled professionals includes a dedicated R&D segment constituting 15% and a significant 30% holding graduate or higher qualifications. This synergy of quality production management and innovative research propels us to deliver superior valves serving the petrochemical, oil, and coal chemical sectors. The year 2017 marked a remarkable milestone with our sales value nearing a staggering 100 billion.
SNT has proudly secured the TS Special Equipment Manufacturing Certificate and ISO 9001 accreditation, alongside the prestigious net qualification certificates from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess is further underscored by numerous National Patents. We specialize in designing and fabricating a comprehensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By amalgamating the best features from renowned valve technologies worldwide with our innovative R&D, we have achieved mastery in producing diverse valve types, including Globe, High Pressure Boiler Blow-down Valves, High-performance Butterfly, Angle-regulating Valves, Eccentric Rotary Valves, and T Three-eccentric Center Butterfly Valves.
Our extensive lineup 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 a variety of driving forms such as manual, power-driven, pneumatic, and hydraulic options. The main components are crafted from high-quality materials including A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our products cater to specifications ranging from 1/2" to 120", with working pressures from ANSI 150# to 2500#, and temperatures spanning -196ºC to 1100ºC.
Leveraging cutting-edge production technology and a robust quality assurance system, SNT Valves have cemented their presence across diverse industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes major players like SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Qingdao Refinery, and SINOPEC Changling branch, demonstrating our widespread influence and unwavering commitment to excellence.
At SNT, maximizing client profitability is our utmost priority, as we tirelessly strive to establish a hallmark of exceptional quality and a stellar brand reputation. Our comprehensive quality assurance and dedicated after-sales systems ensure enduring partnerships with our customers, driving mutual success and prosperity.
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