| Customization: | Available |
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| Temperature: | High Temperature |
| Certification: | GS, CE, ISO9001 |
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| Body Type | 6843L/XGlobe Type | ||
| Body Size | 3/4''(20A)-24''(600A) | ||
| Plug Size | 3/8''(9A)-24''(600A) | ||
| Body Rating | ANSI 150-2500 | ||
| Fluid Temperature | -196~+566 degree | ||
| Connections | RF,RTJ/ SW, BW Flanged(RF, RTJ), But Weld, Socket Weld. | ||
| Body Materials | A216WCB/C, A217WC6/9, A352 LCB/C, A351CF8M,etc | ||
| Tirm Materials | |||
| Range-ability | 30:1-50:1 | ||
| Flow Characteristics | LINEAR, EQ%, On-Off | ||
| Metal Seat Leakage/Soft Seat Leakage | Cvx0.01% ANSI Class IV. V.VHS ANSI CLASS VI |
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| ANSI CLASS VI | |||
| Actuator Combination | 1-X280: Pneumatic Diaphragm Actuator 1-X250: Pneumatic Diaphragm Actuator 1-X400: Pneumatic Cyilnder Actuator |
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The AOC-6843 series represents our groundbreaking cage guide control valves, designed specifically for applications demanding large Cv values and exceptional dynamic stability. These robust valves are perfectly suited for a wide range of heavy-duty services. A standout feature of this series is its pressure-balanced trim, adeptly handling high-pressure drops with ease. Furthermore, the AOC-6843L/D/E series elevates valve performance by meeting stringent low noise and anti-cavitation criteria, thanks to its innovative multi-hole type cages, which replace the standard cages found in the AOC-6843 series. Notably, all components, barring the multi-hole cage, are interchangeable with those of the original AOC-6843 series. For extreme fluid conditions that exceed this series' capabilities, we recommend selecting the SNT LIMIPHON control type for unparalleled performance.
| Type | Unblanced spool and Ball type straight through single seat |
| Body Size | NPS3/4''-16''(DN20-DN400) |
| Plug Form | Plunger type |
| Flow to | Flow to open or Flow to close |
| Characterisitics | LINEAR |
| Body connections | ANSI, EN, RF, RTJ ANSI B16.25 BW UNI EN 12627 BW |
| Bonnet type | Standard: -29degree~230 degree Radiating type:-55 degree~566 degree Cryogenic:-196 degree~55 degree |
| Packing | Nylon fiber reinforced type: ≤250ºC-150bar Flexible pure graphite packing combination, No actual temperature limited( oxidation medium the highest temperature is 250ºC) |
Leakage class |
conform to IEC60534-4, Unblanced valve spool structure can be the highest VI at the highest temperature. |
Customization available: The specific size can be tailored precisely to your unique requirements.
SNT Machinery (Qingdao) Co., Ltd., a cornerstone in the control valve industry, harmoniously integrates manufacturing, designing, sales, and unparalleled services under one roof. Embarking on a journey from a high starting point, SNT has rapidly evolved, nestled in the picturesque city of Qingdao, Shandong province, sprawling across an expansive 42,000 square meters. Our facilities boast state-of-the-art workshops and cutting-edge production equipment. As a beacon of high-tech innovation, we proudly hold independent intellectual property rights, infused with sophisticated imported management and production expertise. Our dynamic team comprises over 150 dedicated professionals, with 15% specializing in research and development, and 30% holding graduate or higher degrees. Driven by an unwavering commitment to excellence and innovative breakthroughs, we deliver a vast array of high-quality valves, pivotal to petrochemical, oil, and coal chemical sectors. Our remarkable sales performance reached nearly 100 billion in 2017.
SNT stands proudly accredited, having obtained the prestigious TS special equipment manufacturing certificate and the esteemed ISO 9001 certification. We have also achieved net qualification certificates from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. With numerous national patents to our name, we skillfully design and craft an extensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By amalgamating the virtues of globally renowned valves with our own pioneering research, we have mastered manufacturing diverse valve types, including GLOBE valves, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and T Three-eccentric Center Butterfly Valves.
Our portfolio further extends to 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. Versatile driving forms encompass manual, power-driven, pneumatic, and hydraulic operations. Main components are crafted from premium materials including A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, ensuring unmatched durability. Specifications range from 1/2" to 120", with operational pressures spanning ANSI 150# to 2500#, and temperatures from -196ºC to 1100ºC.
Harnessing sophisticated production technology management and a robust quality assurance system, SNT Valves have been meticulously integrated across a spectrum of industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Esteemed clients include SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Qingdao Refinery, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Changling branch, and Jinan branch.
Our customer's prosperity is our core focus, and we dedicate ourselves to fostering exceptional quality and a distinguished brand. Our impeccable quality assurance and comprehensive after-sales systems ensure that SNT valves build lasting partnerships with our clients, paving the way for shared success and growth.
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