Basic Info.
Temperature
High Temperature
Certification
GS, CE, ISO9001
Body Size
3/4′′(20A)-24′′(600A)
Plug Size
3/8′′(9A)-24′′(600A)
Fluid Temperature
-196 Degree+566 Degree
Connections
RF, Rtj/Sw, Bw/Butt Weld, Socket Weld
Body Materials
A216wcb/C, A217wc6/9, A352lcb/C, A351 CF8
Trim Materials
SUS316, SUS316+Stellite, SUS316+Tfe
Flow Characteristics
Linear, EQ%, on-off
Leakage(Metal Seat/ Soft Seat)
Cvx0.01% ANSI Class IV. V. Vhs
1-X280
Pneumatic Diaphragm Actuator
1-X250
Pneumatic Diaphragm Actuator
1-X400
Pneumatic Cyilnder Actuator
Product Description
Product Specifications
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 |
ANSI CLASS VI |
Actuator Combination | 1-X280: Pneumatic Diaphragm Actuator 1-X250: Pneumatic Diaphragm Actuator 1-X400: Pneumatic Cyilnder Actuator |
About products
Introducing the AOC-6843 series, our state-of-the-art cage guide control valves, designed to excel in high-demand environments with a remarkable large Cv value and dynamic stability. Perfectly tailored for a wide array of heavy-duty applications, this exceptional series features a pressure-balanced trim, expertly engineered to handle substantial pressure drops effortlessly. The AOC-6843L//D/E series sets a new standard by incorporating multi-hole type cages, ingeniously replacing standard cages, to meet stringent low-noise and anti-cavitation requirements. Remarkably, all components, except for the multi-hole cage, are fully interchangeable with those of the AOC-6843 series, ensuring seamless compatibility. For extreme fluid conditions beyond the reach of this series, we recommend selecting the SNT LIMIPHON control type for unparalleled performance.
STANDARD SPECIFICATION--BODY
Product Description
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. |
Face to Face Dimension: Precisely tailored to meet industry standards, ensuring seamless integration into your existing systems.
Standard Material Combination: Constructed with the finest materials for durability and reliability, offering long-lasting performance in varied applications.
Body and Bonnet Disc Spring Gasket & Additional Valve Body and Bonnet Gasket: Engineered for optimal sealing performance, these components ensure enhanced resilience and reliability under demanding conditions. Valve Rating CV Trip Reference Table: A comprehensive guide for selecting the ideal valve, optimizing performance and efficiency for your specific operational needs.
Valve Body Dimensions and Weight: Carefully measured and designed to maintain integrity and ease of installation, our valve body dimensions adapt to diverse system requirements.The specific size can be customized according to demand: Tailor your valves to your precise specifications, ensuring perfect fit and functionality for your unique application.
Valve Weight: Engineered with precision, our valves maintain a balance of strength and lightweight design, facilitating easy handling and installation.
Above Valve Cover Weight is standard. For high temperature applications, please contact us: For specialized needs involving elevated temperatures, our team is ready to provide customized solutions to meet your specifications.
About Control Valves
SNT Machinery(Qingdao) Co., Ltd.
With a legacy spanning over two decades, SNT Machinery (Qingdao) Co., Ltd. has honed its expertise in the exploration and production of straight-through control valves. These valves are celebrated for their precision, stability, and unwavering reliability. They excel across various service lines, meticulously categorized based on pressure, temperature, and physicochemical attributes. Our innovative solutions are indispensable in industries such as petroleum, chemical, light industry, pharmaceuticals, paper-making, metallurgy, and power generation, playing a pivotal role in industrial automation systems. SNT VALVE's excellence has been recognized with numerous national and provincial accolades. Our products are steadily replacing foreign imports in crucial service lines, reflecting their superior quality and performance.
Unparalleled Precision in Control
Our meticulously engineered valve trim design is powered by advanced CFD hydrodynamics software, guaranteeing flawless flow control. Through rigorous analysis, calculation, and testing, we ensure our valves align with the esteemed IEC 60534 standard, delivering unmatched performance.
Proprietary Core Control Technology
Our sophisticated technology adeptly manages high-pressure drops, catering to diverse service line demands. By mastering the hardening treatment of vital components, we elevate product performance and reliability. The design intricately ensures a robust and trustworthy sealing system both internally and externally.
Our sealing design rigorously complies with TA-Luft/ISO 15848 standards, showcasing exceptional commitment to quality and integrity.
Comprehensive Specifications
Our extensive range of valves spans high, medium, and low-pressure series, along with specialized valves for unique applications. Outstanding Versatility
Our products allow for seamless valve trim replacement, effortlessly adapting to varying service line requirements, underscoring their adaptability and multifunctionality.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd., a distinguished pioneer in control valve production, seamlessly integrates manufacturing, design, sales, and service into a cohesive powerhouse of innovation and excellence. Nestled in the vibrant city of Qingdao, Shandong province, our sprawling 42,000m² facility boasts state-of-the-art workshops and production equipment, epitomizing the pinnacle of modern manufacturing. As a high-tech enterprise fortified by independent intellectual property rights, we infuse our operations with cutting-edge management and production methodologies sourced globally. Our dynamic team of over 150 professionals includes a robust 15% dedicated to Research & Development, and 30% are graduates or possess higher degrees, underscoring our commitment to innovation and quality. By leveraging an exceptional production management team and trailblazing technology, SNT Machinery produces vast quantities of superior quality valves serving the petrochemical, oil, and coal chemical industries with unwavering precision. Our strategic foresight yielded a remarkable sales value of nearly 100 billion in the year 2017.
SNT Machinery has attained the prestigious TS Special Equipment Manufacturing Certificate and ISO 9001 accreditation. We are proud holders of the net qualification certificate from industry giants SINOPEC, CNOOC, PETROCHINA, and SINOCHEM, and boast numerous national patents in various technologies. Our prowess enables us to design and manufacture an extensive range of valves adhering to ANSI, API, DIN, BS, JIS standards. By merging the finest attributes of globally acclaimed valves with our independent research and development, we have mastered the production of diverse valve types including, but not limited to, GLOBE, High-Pressure Boiler Blow-Down Valves, High-Performance Butterfly Valves, Angle-Regulating Valves, Eccentric Rotary Valves, and Three-Eccentric Center Butterfly Valves.
Our product portfolio extends to encompass V Ball Valves, High Wear-Resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-Operated Control Valves, and Cryogenic Valves. The driving forms available include manual operation, power-driven, pneumatic, and hydraulic drive. We utilize premium materials for main components such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M etc. Specifications range from 1/2" to 120", working pressure spans ANSI 150# to 2500#, and operational temperatures accommodate from -196ºC to 1100ºC.
Leveraging advanced production technology management and a robust quality assurance system, SNT Valves are the preferred choice across petrochemical, oil, steel & iron, paper manufacturing, and power station industries. Our esteemed clientele includes prominent names such as SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Qingdao Refinery, and many others, continuously expanding our reputation for excellence and reliability.
At SNT Machinery, we place our customers' success at the forefront of our mission, fervently committed to forging an unparalleled standard of quality and a revered brand identity. Our impeccable quality assurance and after-sales systems are meticulously designed to ensure SNT Valves collaborate with all our customers to forge a path to shared prosperity and success.
Address:
Shiao International 1602, Shinan District, Qingdao, Shandong, China
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components
Management System Certification:
ISO 9001, ISO 20000, IATF16949, HSE
Company Introduction:
SNT Machinery(Qingdao)Co., Ltd. Stands as a leading authority in control valve manufacturing. Based in the strategic hub of Qingdao, Shandong province, our sprawling 42, 000m² Facility is outfitted with cutting-edge workshops and advanced production equipment. As a high-tech enterprise, we take pride in owning independent intellectual property rights and implementing cutting-edge international management and production techniques. Our team of over 150 dedicated professionals includes 15% R&D specialists and 30% with graduate degrees or higher. This commitment to excellence and innovation enables us to produce a diverse array of top-tier valves, widely utilized across the petrochemical, oil, and coal chemical industries. In an impressive milestone, our sales neared 100 billion in 2017. SNT proudly holds the prestigious TS special equipment manufacturing certificate and ISO 9001 certification. We are honored to possess net qualification certificates from industry titans including SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess has garnered us multiple national patents. We design and manufacture an extensive range of valves adhering to stringent ANSI, API, DIN, BS, and JIS standards. By merging the finest attributes of world-renowned valves with our innovative R&D, we offer a comprehensive portfolio featuring GLOBE Valves, High-Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and beyond.
Our product lineup showcases V Ball Valves, High Wear-resistant Ball Valves, High-Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves, available in manual, electric, pneumatic, and hydraulic driving forms. We use premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our specifications range from 1/2" to 120" in size, accommodating working pressures from ANSI 150# to 2500# and operating temperatures from -196º C to 1100º C. Utilizing our advanced production technology, precise management, and robust quality assurance systems, SNT valves earn trust across diverse industries including petrochemical, oil, steel, iron, paper manufacturing, and power stations. Our esteemed clientele features SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, among others. At SNT, we are devoted to maximizing customer profitability by consistently delivering superior quality and establishing a reputable brand. Our unwavering commitment to comprehensive quality assurance and exemplary after-sales services ensures that SNT valves cultivate enduring partnerships with our clients, driving mutual success and long-term prosperity.