| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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In the realm of severe service applications, characterized by high temperatures and significant differential pressures, SNT Machinery's multi-stage control valve trim offers unparalleled precision and longevity. Our advanced solutions ensure operations remain free from cavitation erosion and noise disturbances. Whether dealing with compressive or non-compressive fluids, this product series boasts a multitude of advantages. Enhanced performance and durability translate into reduced maintenance costs and streamlined system architecture, eliminating the need for additional equipment like diffusers and silencers. As a result, overall equipment expenses are minimized. With options ranging from 6862 to 7500 and 9000, depending on specific fluid conditions, the ideal model can be selected by evaluating both functionalities and pricing.
The multi-stage pressure-reducing labyrinth control valve features a core throttling component crafted from multiple stacked metal discs, intricately etched with labyrinth grooves. As fluid navigates through these channels, it encounters a series of collisions and directional changes that dissipate energy. This sophisticated mechanism not only manages flow rates but also systematically reduces pressure, making it ideal for high-temperature and high-pressure drop scenarios, such as those found in nuclear power and conventional power plants. While predominantly used for superheated steam, this valve is versatile enough to handle liquid mediums with equal efficacy.
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 |
State-of-the-Art Testing Solutions: LT Impact Testing Machine | UT Test Equipment | MT Test Equipment - Delivering unmatched accuracy and reliability.
Comprehensive Testing Suite: RT Test Equipment | PT Test Equipment | Metallurgical Microscope - Elevating your testing capabilities to new heights.
SNT Machinery (Qingdao) Co., Ltd is a distinguished leader in the realm of control valve production. Seamlessly integrating design, manufacturing, sales, and service, we are renowned for our ambitious beginnings and rapid growth trajectory. Strategically located in Qingdao, Shandong Province, our expansive 42,000 m2 facility boasts state-of-the-art workshops and production facilities. As a cutting-edge enterprise, we pride ourselves on our independent intellectual property rights, enriched by the infusion of advanced management and production techniques from overseas. Our dynamic team of over 150 employees includes 15% R&D specialists and 30% graduates or higher degree holders, all contributing to our reputation for producing exceptional quality valves. These valves are integral to petrochemical, oil, and coal chemical sectors, culminating in an impressive sales value approaching 100 billion by 2017.
SNT has proudly attained the TS special equipment manufacturing certificate and ISO 9001 accreditation, alongside the coveted net qualification certificate from industry giants SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess is further underscored by several national patents. We craft a comprehensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. Drawing on the strengths of globally renowned valve designs, coupled with our innovative R&D, we excel in producing diverse 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 extensive portfolio 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. Our versatile operational modes encompass manual, power-driven, pneumatic, and hydraulic drives. We employ premium materials like A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M, with specifications ranging from 1/2" to 120", suitable for working pressures of ANSI 150# to 2500#, and operating temperatures between -196ºC and 1100ºC.
With unwavering reliance on our advanced production technology, management systems, and stringent quality assurance protocols, SNT valves are extensively applied across petrochemical, oil, steel & iron, paper manufacturing, and power sectors. Our prestigious clientele includes SINOPEC QILU and Qingdao branches, CNOOC Huizhou Refinery, PETROCHINA Guangxi and Ningxia branches, and many more esteemed partners.
Prioritizing our customers' success, we are committed to crafting superior quality products and establishing a reputable brand. Our comprehensive quality assurance and after-sales systems ensure that SNT valves not only meet but exceed expectations, fostering lasting partnerships and shared prosperity with our clients.
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