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 cutting-edge cage guide control valve boasting a significant Cv value and superior dynamic stability. Crafted for a wide range of heavy-duty applications, this series features a pressure-balanced trim, expertly handling high-pressure drops. Elevate your expectations with the AOC-6843L//D/E series, offering advanced control valves designed to conquer low noise and anti-cavitation challenges. By incorporating innovative multi-hole type cages, rather than standard models, these valves excel in performance. The remarkable compatibility of the multi-hole cage allows seamless interchangeability with existing AOC-6843 series components. For those exceptionally harsh fluid conditions beyond this series' scope, trust in the SNT LIMIPHON control type to deliver unparalleled results.
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: Designed for seamless integration, our valves boast a face-to-face dimension that ensures compatibility and easy installation across diverse systems, maintaining optimal performance and minimizing downtime.
Standard Material Combination: Each valve is crafted using a meticulously selected combination of high-quality materials, ensuring durability and longevity. This standard material selection guarantees robust performance under various operational conditions.
Body and Bonnet Disc Spring Gasket: Our valves feature a precision-engineered disc spring gasket within the body and bonnet. Additional Valve Body and Bonnet Gasket: To enhance reliability and seal integrity, additional gasket options are available to meet specific operational requirements. Valve Rating CV Trip Reference Table: Access an easy-to-understand CV trip reference table that enables accurate selection and application of the valve, optimizing flow control efficiency and system effectiveness.
Valve Body Dimensions and Weight: Detailed specifications of the valve body dimensions and weight are provided to assist in system planning and ensure compatibility with existing infrastructure.The Specific Size Can Be Customized According to Demand: Flexibility is paramount, and we offer customization options for valve sizing to accommodate specific customer needs and ensure perfect system integration.
Valve Weight: Designed with precision, the valve weight is engineered to balance robustness with operational efficiency, making it suitable for a variety of applications.
Above Valve Cover Weight is Standard: The standard valve cover weight is specified for general applications. For high-temperature environments, please contact us for tailored solutions that cater to your specific operational needs.
About Control Valves
SNT Machinery (Qingdao) Co., Ltd.
With a legacy spanning over two decades, SNT Machinery (Qingdao) Co., Ltd. excels in the exploration and production of superior straight-through control valves. Renowned for their high precision, unwavering performance, and dependable quality, these valves have been expertly designed to meet diverse pressure, temperature, and physicochemical demands. This impressive range is vital for industries such as petroleum, chemicals, light manufacturing, pharmaceuticals, paper production, metallurgy, and power generation, serving as a cornerstone in automatic industrial instrumentation systems. Notably, SNT VALVE's commitment to excellence has been recognized through prestigious national and provincial awards. The exceptional quality of our valves has enabled them to gradually replace foreign imports in critical service applications, underscoring our leadership in innovation.
High Control Precision
The valve trim design is a marvel of engineering, utilizing state-of-the-art CFD hydrodynamics software. Through meticulous analysis, calculation, and testing, we ensure that our products meet stringent process requirements. Our flow characteristics adhere to the globally recognized IEC 60534 standard, guaranteeing optimal performance.
Owned Core Control Technology
Our expertise in managing high-pressure drop control technology caters to various service line demands. By mastering the hardening treatment of key components, we significantly enhance the product's performance and reliability. Additionally, our robust design ensures internal and external sealing compliance with the TA-Luft/ISO 15848 standards, ensuring top-tier reliability.
and outside sealing meets the requirements of TA-Luft/ISO 15848 standard .etc.
Complete Specifications
Our extensive product line includes valves for high, medium, and low-pressure applications, as well as specialized valves for unique purposes. Our solutions offer unparalleled versatility.
enabling the replacement of valve trims to seamlessly adapt to diverse service line requirements, providing unmatched flexibility and efficiency.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd. stands as a dynamic force in the landscape of control valve production, seamlessly integrating manufacturing, design, sales, and service. Born with a vision for excellence and rapid advancement, SNT is strategically positioned in Qingdao, Shandong province, sprawling over 42,000 square meters. Our state-of-the-art workshops and cutting-edge production equipment highlight our status as a high-tech enterprise, boasting independent intellectual property rights and importing world-class management and production expertise. With a dedicated team of over 150 employees, 15% of whom are R&D specialists and 30% holding graduate or higher degrees, we are driven by innovation and quality. Our expertise yields a vast array of premium valves tailored 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 certification, and is recognized with the net qualification certificate from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our commitment to innovation is reflected in our numerous national patents. We excel in designing and crafting a comprehensive range of valves compliant with ANSI, API, DIN, BS, and JIS standards. Leveraging global valve design insights and our proprietary R&D, our portfolio includes all varieties of valves such as GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves.
Our diverse valve lineup features 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 provide a range of driving forms, including manual, power-driven, pneumatic, and hydraulic. Key materials include A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M. Our specifications range from 1/2" to 120", with working pressures of ANSI 150# to 2500#, and operational temperatures spanning from -196ºC to 1100ºC.
Harnessing advanced production technology management and a robust quality assurance system, SNT Valves are widely favored across industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Esteemed clientele includes SINOPEC QILU and Qingdao branches, CNOOC Huizhou Refinery, PETROCHINA Guangxi and Ningxia branches, SINOPEC Changling and Jinan branches among others, all testament to our product excellence and reliability.
We prioritize user profitability, dedicating ourselves to building a sterling reputation for quality and brand distinction. Our comprehensive quality assurance and after-sales systems ensure that SNT valves forge strong, prosperous partnerships with our valued customers.
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.