| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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In the challenging realm of high-temperature and high differential pressure scenarios, SNT Machinery's Varistep Cage Guide Valves with their multi-stage trim technology deliver precise control and exemplary longevity. Experience operations free from the common woes of cavitation, erosion, and noise issues. Whether managing compressive or non-compressive fluids, our valves offer a multitude of benefits, boasting enhanced performance and robust durability. This leads to significant maintenance cost savings and a streamlined system design. The elimination of the need for additional components such as diffusers and silencers also contributes to cost efficiency, reducing overall equipment investment. Our models, ranging from 6862 to 9000, provide tailored solutions based on fluid conditions, allowing for an optimal balance of functionality and cost.
The core throttling mechanism of our advanced multi-stage pressure-reducing labyrinth control valves consists of intricately layered metal discs with labyrinth grooves. As fluids navigate these channels, they experience controlled collisions and directional changes, which dissipate energy efficiently. This sophisticated process not only regulates flow rate but also ensures a gradual reduction in pressure. Designed for high-stakes environments characterized by extreme temperatures and significant pressure drops, such as those found in nuclear and power plants, these valves primarily handle superheated steam. However, they are equally proficient in managing liquid mediums, showcasing their versatility and reliability in demanding applications.
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 LT Impact Testing Machine | Advanced UT Test Equipment | Precision MT Test Equipment
Versatile RT Test Equipment | High-Accuracy PT Test Equipment | Premium Metallurgical Microscope
SNT Machinery (Qingdao) Co., Ltd. stands at the forefront of innovation, seamlessly integrating design, manufacturing, sales, and service within the dynamic realm of control valves. Nestled in the thriving heart of Qingdao, Shandong province, our sprawling 42,000-square-meter facility is a testament to modern industrial prowess, outfitted with state-of-the-art workshops and cutting-edge production equipment. As a proud high-tech enterprise, we boast independent intellectual property rights and have embraced advanced management and production methodologies from across the globe. Our dedicated team of over 150 professionals includes a remarkable 15% R&D specialists and 30% graduates or those with higher degrees. This powerhouse of talent fuels our mission to produce top-tier valves, pivotal to the petrochemical, oil, and coal chemical sectors, driving our sales to a staggering near 100 billion in 2017.
SNT has earned prestigious certifications, including the TS special equipment manufacturing certificate and ISO 9001. We hold esteemed qualification certificates with industry giants like SINOPEC, CNOOC, PETROCHINA, and SINOCHEM, alongside numerous national patents across diverse technologies. Our expertise spans the design and manufacture of a comprehensive series of valves, adhering to global standards such as ANSI, API, DIN, BS, and JIS. By melding the finest attributes of renowned valves worldwide with our pioneering research and development, we craft an impressive array of valves: GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves, among others.
Our extensive portfolio includes Valves like V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. Each valve can be operated manually or through power-driven, pneumatic, and hydraulic systems. Crafted from robust materials, including A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, our valves range in specifications from 1/2" to 120", withstand pressures of ANSI 150# to 2500#, and operate within temperatures of -196ºC to 1100ºC.
Harnessing advanced production technology and a rigorous quality assurance system, SNT Valves have earned their place in diverse industrial sectors such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes SINOPEC QILU branch, SINOPEC Qingdao branch, and CNOOC Huizhou Refinery, as well as PETROCHINA's Guangxi and Ningxia branches, among others.
At SNT, we prioritize our users' success, committed to crafting a legacy of excellence and a brand synonymous with superior quality. Our impeccable quality assurance and dedicated after-sales service systems ensure that SNT valves stand hand in hand with our valued customers, forging a path to shared prosperity and success.
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