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
The AOC-6843 series represents the pinnacle of our latest advancements in cage guide control valves, designed with a focus on large Cv values and dynamic stability for unparalleled performance in demanding heavy-duty applications. This exceptional series boasts a pressure-balanced trim type, specifically engineered to handle high-pressure drops effortlessly. The AOC-6843L/D/E series goes a step further by offering control valves that are meticulously crafted to meet stringent low noise and anti-cavitation requirements, thanks to the incorporation of innovative multi-hole type cages-setting a new standard above the conventional cages found in the AOC-6843 series. Remarkably, all parts with the exception of the multi-hole cage are fully interchangeable with those of the AOC-6843 series, ensuring seamless integration and versatility. For the most challenging fluid conditions beyond the reach of this series, SNT LIMIPHON control type is the recommended alternative, offering superior adaptability and control.
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
Experience optimal performance with our Standard Material Combination.
Body and Bonnet Disc Spring Gasket: Enhance durability and reliability with our advanced gaskets. Additional Valve Body and Bonnet Gasket: Ensures superior sealing and protection. Valve Rating CV: Precision crafted for peak performance. Trip Reference Table: Easily navigate through various settings and configurations.
Valve Body Dimensions and Weight: Our design ensures a perfect fit with ease of installation and handling.The specific size can be customized according to demand, providing flexibility to meet your unique requirements.
Valve Weight: Engineered for balance and efficiency without compromising on strength.
Above Valve Cover Weight is Standard. For high-temperature specifications, please contact us for tailored solutions.
About Control Valves
SNT Machinery (Qingdao) Co., Ltd.
With over two decades of expertise, SNT Machinery (Qingdao) Co., Ltd. has passionately dedicated itself to the exploration and production of superior straight-through control valves. Renowned for their impeccable precision, unwavering stability, and unmatched quality, these valves have made a significant mark across numerous service lines. They are meticulously categorized into various series tailored to meet diverse demands concerning pressure, temperature, and physicochemical characteristics. Our exceptional valve series has found widespread application in the petroleum, chemical, light industry, pharmaceutical, paper-making, metallurgy, and power station sectors, serving as a cornerstone in the realm of automatic industrial instrumentation systems. In recent years, SNT VALVE has proudly garnered national and provincial accolades, as our products steadily replace foreign imports in pivotal service lines.
High Control Precision
Our valve trim design is the epitome of cutting-edge technology, utilizing sophisticated CFD hydrodynamics software. Through meticulous analysis, calculation, and rigorous testing, our valves achieve process requirements with precision. The flow characteristics of our valves flawlessly align with the prestigious IEC 60534 standard, ensuring exceptional performance.
Owned Core Control Technology
Equipped with advanced high-pressure drop control technology, our valves are designed to meet diverse service line demands. Our expertise in hardening treatment for key components significantly boosts the performance and reliability of our products. Furthermore, the robust and dependable design of our internal mechanisms
and external seals rigorously adheres to TA-Luft/ISO 15848 standards, ensuring unparalleled sealing integrity and reliability.
Complete Specifications
Our extensive product range encompasses high, medium, and low-pressure series valves, along with specialized valves for unique applications. High Versatility
is a hallmark of our products, allowing for the seamless replacement of valve trims to suit diverse service line requirements, thereby enhancing adaptability and efficiency.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd. stands as a premier manufacturer of control valves, seamlessly integrating manufacturing, design, sales, and service. Positioned in the thriving city of Qingdao, Shandong province, our expansive facilities cover an impressive 42,000 square meters, outfitted with state-of-the-art workshops and cutting-edge production equipment. As a high-tech enterprise with proprietary intellectual property and best-in-class management practices, SNT Machinery is at the forefront of innovation. With a dedicated workforce exceeding 150 professionals, including a robust R&D team that comprises 15% of our personnel and a significant 30% holding graduate or higher degrees, we harness our superior production management and pioneering research efforts to deliver an extensive range of top-tier valves. Our products serve crucial roles in the petrochemical, oil, and coal chemical sectors, driving a remarkable sales revenue nearing 100 billion RMB in 2017.
SNT Machinery has proudly obtained the TS Special Equipment Manufacturing Certificate and ISO 9001 certification, further endorsed by the network qualification certificates from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. With national patents in numerous technologies, we are adept at designing and manufacturing a comprehensive range of valves in compliance with ANSI, API, DIN, BS, and JIS standards. By synthesizing the superior features of renowned valves globally and leveraging our independent R&D capabilities, we are proficient in producing a vast array of valves. Our offerings include the versatile GLOBE valves, robust High Pressure Boiler Blow-down Valves, efficient High-performance Butterfly Valves, precision Angle-regulating Valves, innovative Eccentric Rotary Valves, and advanced three-eccentric Center Butterfly Valves. The product line extends further with V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves, tailored with driving forms ranging from manual to power-driven, pneumatic, and hydraulic options.
Our valves are crafted from top-quality materials such as A216 WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, accommodating specifications from 1/2" to 120", withstanding pressures from ANSI 150# to 2500#, and operating efficiently across temperatures spanning from -196ºC to 1100ºC.
Empowered by superior production technology, meticulous management, and a robust quality assurance system, SNT Valves have achieved widespread acclaim and usage across industries such as petrochemical, oil, steel, iron, paper manufacturing, and power stations. Our esteemed clientele includes industry leaders like SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and many more.
At SNT Machinery, our customers' success is our paramount priority. We dedicate ourselves to crafting superior quality and fostering a reputable brand. Our comprehensive quality assurance and exceptional after-sales service systems ensure that SNT Valves collaborate closely with our clients, paving the path to shared success and prosperity.
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.
