| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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In the realm of severe services marked by high temperatures and steep differential pressures, SNT's innovative multi-stage trim emerges as the beacon of precise control and remarkable longevity. This cutting-edge technology triumphantly conquers challenges of cavitation erosion and noise disturbances, delivering an unrivaled performance. Whether the fluid in question is compressive or non-compressive, this series shines with multiple advantages: its enhanced performance and superior durability translate into significant maintenance cost savings and seamless system simplification. With the elimination of such ancillaries as diffusers and silencers, equipment costs are dramatically reduced too. With options ranging from models 6862, 7500 to 9000, and depending on the specific fluid conditions, the most suitable model can be chosen, balancing functions and price to perfection.
The core of the multi-stage pressure-reducing combined labyrinth control valve is a marvel of engineering. Its primary throttling component consists of meticulously stacked metal discs, intricately etched with labyrinthine grooves. As fluid courses through these channels, it undergoes a series of strategic collisions and turns, effectively dissipating energy. This sophisticated process not only regulates flow rate but also systematically reduces pressure. Primarily designed for high-stakes scenarios involving high temperatures and significant pressure drops, such as nuclear power plants and power generation facilities, it 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 |
Our robust LT impact testing machine, state-of-the-art UT test equipment, and precision-driven MT test equipment are designed for high accuracy.
Experience the reliability of our RT test equipment and PT test equipment, alongside our high magnification metallurgical microscope.
SNT Machinery (Qingdao) Co., Ltd., a distinguished producer of control valves, seamlessly integrates manufacturing, designing, sales, and services into one dynamic entity. With a high starting point and rapid development trajectory, SNT proudly stands in Qingdao, Shandong province, sprawling across an impressive 42,000 square meters. Our state-of-the-art workshop and cutting-edge production equipment underscore our status as a high-tech enterprise, boasting independent intellectual property rights and a wealth of imported management and production expertise. Our skilled team comprises over 150 dedicated professionals, with 15% R&D specialists and 30% holding graduate degrees or higher. Fueled by a high-quality production management team and pioneering R&D efforts, SNT excels in producing top-tier valves for the petrochemical, oil, and coal chemical sectors, achieving a remarkable sales value nearing 100 billion in 2017.
SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001 accreditation. Our commitment to excellence is further validated by the net qualification certificates from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. We have garnered numerous national patents for our innovative technologies. Our capability extends to designing and manufacturing an extensive range of valves conforming to ANSI, API, DIN, BS, and JIS standards. By blending global valve advantages with our own inventive R&D, we manufacture diverse valves, including GLOBE, High Pressure Boiler Blow-down Valves, and High-performance Butterfly Valves, as well as Angle-regulating, Eccentric Rotary, T Three-eccentric Center Butterfly Valves, and more.
Our comprehensive valve lineup further encompasses V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves, among others. We offer a variety of driving forms such as manual, power-driven, pneumatic, and hydraulic. The main parts are crafted from superior materials like A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, with specifications ranging from 1/2" to 120", supporting working pressures from ANSI 150# to 2500#, and operating temperatures from -196ºC to 1100ºC.
Harnessing advanced production technology management and a robust quality assurance system, SNT valves have become integral to the petrochemical, oil, steel & iron, paper manufacturing, and power station industries. Our esteemed clientele includes SINOPEC QILU and Qingdao branches, CNOOC Huizhou Refinery, PETROCHINA Guangxi and Ningxia branches, SINOPEC Changling and Jinan branches, and numerous others.
At SNT, our commitment to prioritizing user profits drives our relentless pursuit of excellence in quality and brand reputation. Our comprehensive quality assurance and after-sales systems ensure that SNT valves thrive alongside our valued customers, together creating a prosperous future.
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