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 remarkable AOC-6843 series, the epitome of cutting-edge cage guided control valves designed to push the boundaries of performance with its impressive large Cv value and unparalleled dynamic stability. Engineered to excel across a spectrum of heavy-duty applications, this series stands out with its pressure-balanced trim, expertly crafted to endure high pressure drops effortlessly. Elevate your operational efficiency with the AOC-6843L//D/E series, featuring control valves that seamlessly integrate multi-hole type cages, meeting stringent low noise and anti-cavitation standards, setting a new benchmark in valve technology. These multi-hole cages are ingeniously designed, offering complete interchangeability with standard cages of the AOC-6843 series, ensuring seamless compatibility and versatile functionality. For those extreme fluid conditions where conventional solutions fall short, trust in the superior capabilities of SNT LIMIPHON control type to meet your most demanding challenges.
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
Standard Material Combination
Body and Bonnet Disc Spring Gasket: Experience superior sealing capability with our advanced body and bonnet disc spring gasket. For added assurance, we also offer an additional valve body and bonnet gasket to ensure optimal performance and reliability. Valve Rating CV & Trip Reference Table: Delve into our comprehensive valve rating CV and trip reference table to understand the full capabilities and efficiency of our premium valves. This detailed table is a testament to the precision and durability that SNT Machinery (Qingdao) Co., Ltd. consistently delivers.
Valve Body Dimensions and Weight: Explore the precise engineering of our valve body dimensions and weight, crafted meticulously to meet the demanding needs of diverse industrial applications. Our design ensures a perfect balance between functionality and durability.The Specific Size Can Be Customized According to Demand: Tailor your valve to meet your specific needs with our customizable sizing options. We provide flexible solutions to ensure the perfect fit and functionality for your unique requirements.
Valve Weight: Our valves boast a robust yet efficient design, striking an ideal balance between weight and performance. Discover the lightweight yet durable construction that sets our products apart.
Above Valve Cover Weight Is Standard, For High Temperature, Please Contact Us: The weight of the valve cover listed above is standard. For applications involving high temperatures, we are here to assist you in finding the perfect solution. Please contact us for specialized options and expert guidance.
About Control Valves
SNT Machinery (Qingdao) Co., Ltd.
With over two decades of pioneering expertise, SNT Machinery (Qingdao) Co., Ltd. excels in the innovation and manufacture of straight-through control valves renowned for their outstanding precision, stable performance, and unmatched reliability. Our versatile series of products caters to an array of pressure and temperature requirements, finely tuned to physicochemical specifications. Widely acclaimed across the petroleum, chemical, light industry, pharmaceutical, paper-making, metallurgy, and power station sectors, our valves are pivotal to the advancement of automated industrial instrumentation systems. Recently, SNT VALVE has garnered prestigious national and provincial accolades, proudly replacing foreign imports in critical service applications.
Exemplary Control Precision
Meticulously engineered with cutting-edge CFD hydrodynamics software, our valve trim design adheres to stringent process specifications through comprehensive analysis, calculation, and testing. Our flow characteristics are perfectly aligned with the esteemed IEC 60534 standard.
Proprietary Core Control Technology
Our advanced high-pressure drop control solutions are designed to meet diverse service line demands. Mastery in hardening treatments of crucial components elevates product performance and reliability, while ensuring that the intricate internal and external sealing structures conform to TA-Luft/ISO 15848 standards.
and outside sealing meets the requirements of TA-Luft/ISO 15848 standard .etc.
Comprehensive Product Specifications
Our diverse product range includes high, medium, and low-pressure series valves, along with specialized valves designed for unique applications. High adaptability
ensures seamless valve trim replacement to accommodate varying service line demands.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd. is a premier producer of control valves, seamlessly integrating manufacturing, design, sales, and services. With a high starting point and rapid development, SNT is strategically located in Qingdao, Shandong province, spanning an impressive 42,000 square meters. Our facility boasts a state-of-the-art workshop and cutting-edge production equipment. As a high-tech enterprise with independent intellectual property rights, we leverage advanced imported management and production methodologies. Our dedicated team exceeds 150 professionals, with 15% specializing in R&D and 30% holding graduate or higher degrees. Thanks to our top-tier production management and innovative R&D, we manufacture a vast array of high-quality valves, serving essential sectors such as petrochemical, oil, and coal chemical industries. In 2017, we proudly achieved nearly 100 billion in sales value.
SNT has proudly obtained the TS special equipment manufacturing certificate and ISO 9001 certification. Additionally, we are accredited with the network qualification certificate from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technology prowess has earned us numerous national patents. We expertly design and manufacture a comprehensive range of valves tailored to ANSI, API, DIN, BS, and JIS standards. By integrating the advantages of renowned global valves with our own innovative R&D, we offer an extensive selection, including Globe Valves, High-Pressure Boiler Blow-down Valves, High-Performance Butterfly Valves, Angle-Regulating Valves, and Eccentric Rotary Valves.
Our diverse valve offerings also encompass V Ball Valves, High Wear-Resistant Ball Valves, High-Pressure Steam Valves, Micro-Flow Control Valves, Self-Operated Control Valves, Cryogenic Valves, among others. Valve operation modes include manual, power-driven, pneumatic, and hydraulic options. Key materials utilized for main components include A216 WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Specifications range from 1/2" to 120", with working pressures of ANSI 150# to 2500#, and operating temperatures from -196ºC to 1100ºC.
Harnessing advanced production technology management and quality assurance systems, SNT Valves are extensively utilized across industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes SINOPEC QILU and Qingdao branches, CNOOC Huizhou Refinery, PETROCHINA Guangxi and Ningxia branches, SINOPEC Changling and Jinan branches, among others.
At SNT, we prioritize user profitability, dedicating ourselves to establishing a distinguished brand and superior quality. Our comprehensive quality assurance and after-sales systems ensure that SNT valves collaborate with our customers to create 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.