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
Discover the AOC-6843 series, our cutting-edge cage guide control valve designed with a large Cv value for exceptional dynamic stability. Perfectly suited for a myriad of heavy-duty applications, this series boasts a pressure-balanced trim engineered for impressive high-pressure drops. Elevate your system's performance with the AOC-6843L//D/E series, which integrates advanced control valves that fulfill low noise and anti-cavitation demands by utilizing innovative multi-hole type cages, a remarkable upgrade from the standard cages found in the AOC-6843 series. Notably, all components, with the exception of the multi-hole cage, are fully interchangeable with those of the original AOC-6843 series, ensuring seamless integration and operational efficiency. For those challenging fluid conditions that fall beyond the capabilities of this series, we recommend opting for the high-performance SNT LIMIPHON control type to achieve optimal 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: Precision-engineered dimensions ensure seamless installation, offering reliability and efficiency for your high-stakes applications.
Standard Material Combination: Our valves boast a robust standard material combination, designed to endure extreme conditions while maintaining superior functionality.
Body and Bonnet Disc Spring Gasket: Crafted with attention to detail, the body and bonnet disc spring gasket provides exceptional sealing. Additional Valve Body and Bonnet Gasket: Enhanced with an extra layer of protection, ensuring longevity and optimal performance. Valve Rating CV Trip Reference Table: Navigate through our comprehensive valve rating CV trip reference table for precise insights into our product's capabilities, tailored to meet your specific needs.
Valve Body Dimensions and Weight: Experience the perfect balance of form and function with dimensions crafted for excellence and weight optimized for efficiency.Custom Size Options: Tailor the dimensions to your specific needs; we offer customizable sizes to ensure a perfect fit for any application.
Valve Weight: Our meticulous design process delivers a valve weight that excels in both durability and adaptability for diverse operational environments.
Standard Valve Cover Weight: The above valve cover weight is standard. For high-temperature applications, feel free to contact us for specialized solutions designed to withstand more extreme conditions.
About Control Valves
SNT Machinery(Qingdao) Co., Ltd.
With over two decades of dedicated expertise, SNT Machinery (Qingdao) Co., Ltd. has mastered the art of designing and manufacturing straight-through control valves. Our products are celebrated for their unmatched precision, unwavering stability, and dependable quality. These valves have been meticulously engineered to serve a myriad of industrial applications, each series crafted to accommodate the unique demands of pressure, temperature, and physicochemical attributes. Our valves have found their indispensable place in industries such as petroleum, chemical processing, light manufacturing, pharmaceuticals, paper production, metallurgy, and power generation. They are pivotal components in the automation of industrial instrumentation systems. Recently, SNT VALVE has proudly garnered national and provincial accolades, gradually phasing out imported valves in crucial service applications.
Exceptional Precision in Control
Our valve trim design is meticulously crafted using advanced CFD hydrodynamics software, ensuring optimal process execution through comprehensive analysis, precise calculations, and rigorous testing. The flow characteristics of our valves are in strict accordance with the IEC 60534 standard, guaranteeing performance and reliability.
Proprietary Core Control Technology
Our state-of-the-art control technology adeptly handles all high-pressure drop scenarios, meeting varied service line requirements with exceptional efficacy. By mastering advanced hardening treatments for critical components, we enhance both the performance and reliability of our products. Furthermore, our robust design ensures tight and reliable sealing.
Our sealing technology, both internal and external, fully complies with the stringent standards of TA-Luft/ISO 15848, ensuring superior safety and reliability.
Comprehensive Range of Specifications
Our extensive product line includes high, medium, and low-pressure series valves, along with specialized purpose valves, offering unparalleled versatility.
Our valves are designed for adaptability, allowing for seamless replacement of valve trims to meet diverse service line needs, ensuring maximum flexibility and efficiency.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd is a leading innovator and manufacturer of high-performance control valves. Seamlessly integrating manufacturing, design, sales, and services, our company has embarked on a trajectory of rapid development from its high starting point. Nestled in the vibrant city of Qingdao, Shandong province, our expansive facility spans over 42,000 square meters and is furnished with state-of-the-art workshops and cutting-edge production equipment. As a high-tech enterprise boasting independent intellectual property rights, we leverage advanced management and production expertise imported from leading global practices. Our dynamic team of over 150 employees includes a dedicated R&D contingent making up 15% of our workforce, while 30% hold graduate or higher degrees. Driven by our top-tier production management team and pioneering R&D initiatives, we produce a vast array of premium quality valves extensively utilized across petrochemical, oil, and coal chemical sectors. In 2017, our robust sales performance reached nearly 100 billion, underscoring our commitment to quality and innovation.
SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001 accreditation, along with prestigious net qualification certificates from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our portfolio of National Patents stands testament to our cutting-edge technological advancements. We excel in designing and manufacturing a comprehensive range of valves compliant with ANSI, API, DIN, BS, and JIS standards. By synthesizing the strengths of renowned global valves with our proprietary R&D, we have mastered the production of diverse valve types. These include 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 product range further extends 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. We offer manual, power-driven, pneumatic, and hydraulic drive options. The main parts are crafted from premium materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M. Our valves accommodate specifications ranging from 1/2" to 120", endure working pressures from ANSI 150# to 2500#, and operate efficiently within a temperature spectrum of -196ºC to 1100ºC.
Leveraging advanced production technology and a robust quality assurance system, SNT Valves are the preferred choice across industries including 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, SINOPEC Changling branch, and numerous others, all testament to our unwavering dedication to excellence.
At SNT, we prioritize our customers' profitability and are committed to fostering excellence in quality and brand reputation. Our impeccable quality assurance and after-sales systems ensure that our partnership with clients is not only prosperous but also enduring.
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.
