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, the pinnacle of innovation in cage guide control valves, featuring an impressive large Cv value and unparalleled dynamic stability. Crafted for a multitude of heavy-duty applications, this series excels in handling high-pressure challenges with its pressure balanced type trim. Experience cutting-edge performance with the AOC-6843L//D/E series, designed to meet stringent low noise and anti-cavitation standards through its revolutionary multi-hole type cages, elevating it beyond the standard models of the AOC-6843 series. Notably, all parts, excluding the unique multi-hole cage, are fully interchangeable with the conventional AOC-6843 series. For the most demanding fluid conditions that surpass this series' capabilities, look no further than the SNT LIMIPHON control type for optimal solutions.
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 engineered to fit seamlessly into your existing setups, our valves boast of meticulously calculated face-to-face dimensions, ensuring a perfect fit and optimal performance in every installation.
Standard Material Combination: Crafted with a premium selection of materials, our valves guarantee robustness and longevity. This standard material combination offers exceptional resistance to wear and corrosion, providing unmatched durability and performance over time.
Body and Bonnet Disc Spring Gasket: Our valve body and bonnet feature a high-performance disc spring gasket, designed for optimal sealing and reliability. Additional Valve Body and Bonnet Gasket: Enhance your valve's sealing capabilities with our supplementary gasket options, tailored to meet diverse operational needs. Valve Rating CV Trip Reference Table: Our comprehensive valve rating CV trip reference table provides precise data to assist in selecting the optimal valve configuration, ensuring maximum efficiency and accuracy in your engineering processes.
Valve Body Dimensions and Weight: Experience the perfect balance of form and function with our expertly designed valve bodies, which offer compact dimensions and weight distribution, tailored to facilitate ease of installation and maintenance.Customizable Size Options: To accommodate your specific engineering needs, our valves can be customized in size according to your precise requirements, ensuring a bespoke fit and enhanced performance.
Valve Weight: Our valves are engineered to deliver robustness without unnecessary bulk, striking the perfect balance between durability and ease of handling, making them an ideal choice for intricate engineering applications.
Above Valve Cover Weight: Please note, the weight mentioned is standard. For applications involving high temperatures, we recommend contacting us to explore specialized options that cater to your unique operational demands.
About Control Valves
SNT Machinery(Qingdao) Co., Ltd.
With over two decades of expertise, SNT Machinery (Qingdao) Co., Ltd. excels in the development and production of cutting-edge straight-through control valves. Renowned for their superior precision, unwavering performance, and dependable quality, these valves have been effectively integrated across a multitude of service lines. Tailored to meet diverse needs, they are expertly categorized based on pressure, temperature, and physicochemical characteristics. Widely embraced in industries such as petroleum, chemical, light industry, pharmaceuticals, paper-making, metallurgy, and power stations, these valves are pivotal to the automation of industrial instrumentation systems. Recently, SNT VALVE has proudly received numerous national and provincial accolades, marking a significant milestone as their high-quality products progressively replace imported foreign valves in crucial service lines.
Unmatched Control Precision
Our valve trim design is meticulously crafted using state-of-the-art CFD hydrodynamics software. Through rigorous analysis, calculation, and testing, we achieve unparalleled process requirements, ensuring flow characteristics that adhere to the esteemed IEC 60534 standard.
Proprietary Core Control Technology
Our advanced high-pressure drop control technology is engineered to meet the diverse demands of various service lines. By mastering hardening treatments for crucial components, we enhance product performance and reliability. Additionally, the robust sealing design, both internal and external, conforms to the stringent TA-Luft/ISO 15848 standards.
and outside sealing meets the requirements of TA-Luft/ISO 15848 standard .etc.
Comprehensive Specifications
Our product range spans high, medium, and low-pressure series valves, alongside specialized purpose valves. Offering exceptional versatility,
we enable the seamless replacement of valve trims to adapt to diverse service line requirements.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd. stands as an illustrious producer of control valves, seamlessly integrating manufacturing, design, sales, and service in one powerhouse entity. With a dynamic and swift developmental trajectory, SNT proudly anchors itself in the vibrant city of Qingdao, Shandong province, spreading across a vast expanse of 42,000m². Our state-of-the-art workshops and advanced production equipment epitomize our commitment to excellence. As a high-tech enterprise, SNT boasts independent intellectual property rights and leverages imported cutting-edge management and production expertise. Our team, numbering over 150, is a rich blend of talent, with 15% dedicated to research and development, and 30% being graduates or possessing higher qualifications. Our unwavering focus on high-quality production management and innovative research has propelled us to manufacture top-tier valves, extensively utilized in the petrochemical, oil, and coal chemical industries. In 2017, we proudly achieved a sales milestone nearing 100 billion.
SNT has proudly secured the TS special equipment manufacturing certificate and ISO 9001, alongside prestigious net qualification certificates from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our innovative spirit has also garnered numerous National Patents in various technologies. We excel in designing and manufacturing a comprehensive series of valves adhering to ANSI, API, DIN, BS, and JIS standards. By harmoniously blending global valve expertise with our independent research and development capabilities, we now produce a vast array of valves, 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 specialized offerings extend to V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, Cryogenic Valves, and more. Drive mechanisms include manual, power-driven, pneumatic, and hydraulic options. We craft these sophisticated components using premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Specifications range from 1/2" to 120", with working pressures between ANSI 150# and 2500#, and operating temperatures spanning -196ºC to 1100ºC.
Leveraging our advanced production technology management and robust quality assurance system, SNT Valves are extensively employed across industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and many more prestigious names like SINOPEC Changling and Jinan branches.
At SNT, we place the prosperity of our users at the forefront, dedicating ourselves to crafting excellence in quality and building a distinguished brand. Our impeccable quality assurance and comprehensive after-sales services ensure that SNT valves forge strong partnerships with all our customers, 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.
