Body type |
AOC-3843 |
AOC3844 |
Body size |
1/2''(40A)-6''(600A) |
1/2''(40A)-24''(600A) |
Body rating |
ANSI 150-2500 |
ANSI150-2500 |
Fluid temperature |
-45~+200ºC |
-45~+538ºC |
Connections |
RF/BW |
Body materials |
A216WC,A217WC6/9,A351CF8,A351CF8M etc |
Ball Materials |
A182 F304/F316/316L |
Ball Treatment |
Polishing/Hard Chromium Plating |
Hard Chromium/Surfacing STL/Spary Ni60/Sparyed tungsten carbide |
Sealing Ring |
PTFE/RTFE |
Surfacing STL/Spary Ni55/Sparyed tungsten carbide |
Valve seat leakage |
API 598 0 leakage |
ANSI B16.014V API598 0 leakage |
Introducing the High-Performance Soft Seated Ball Valve Series from SNT Machinery (Qingdao) Co., Ltd. Engineered with precision, these valves provide unparalleled Zero-Leakage performance across a broad spectrum of high-temperature and high-pressure service environments. Experience the superior quality that ensures your operations run smoothly and efficiently.
Crafted with unmatched precision, these valves feature balls and seats fortified with advanced hard coatings made from chrome carbide or tungsten carbide. This robust enhancement offers exceptional resistance to erosion and abrasion, significantly extending the product's lifespan and ensuring dependable performance in all applications.
Our SNT High-Performance Soft Seated Ball Valves are equipped with a state-of-the-art HVOF coating system. Each valve is meticulously mate-lapped using exclusive techniques that ensure a perfect 100% seal. The innovative live loading feature guarantees zero emissions, maintaining constant contact between the ball and seat. This innovative design effectively wipes away contaminants, employing a self-cleaning mechanism that prevents interference and damage from particles. These valves are the ultimate solution for slurry and abrasive service applications, exemplifying reliability and efficiency.
Our exceptional packing combination is crafted to surpass expectations by meeting the stringent emission requirements of 100 ppm. At the same time, it impressively reduces friction by 20% on the stem, ensuring smooth operations.
Ingeniously designed with an anti-blowout feature, our product guarantees the stem remains securely in place, thereby preventing potential damage from unexpected blowouts.
The seat ring's innovative structure, comprising a wave spring and dual-scraper, is engineered to meticulously clean the ball surface while maintaining impeccable sealing performance.
Our dual-sealing configuration is meticulously designed to ensure the highest leakage class, effectively preventing the flow from contacting the spring, thus safeguarding the system's integrity.
Experience unparalleled stability and reliability with our soft seat sealing performance, setting a new standard in the industry.
The expertly crafted design for draining and sweeping ensures that the valve remains free from jams by efficiently cleaning it, thus enhancing its longevity.
Engineered in compliance with API 607 standards, our product also boasts fire-proof and anti-static features, ensuring safety and reliability in every operation.
SNT Ball Valves are the epitome of precision engineering, meticulously crafted to adhere to a comprehensive array of international standards such as ASME B16.34-2009, ASME B16.10-2000, and API 589-2009. This incredibly versatile series finds its rightful place in a broad spectrum of industries including petroleum, chemical industry, light industry, pharmaceuticals, paper-making, metallurgy, and power stations.
Their Exceptional Features Include:
Ingeniously streamlined design allowing for effortless disassembly.
Our ball valves are a testament to user-centric design, featuring a non-tight fit that simplifies and expedites maintenance, effectively reducing downtime during scheduled servicing.
State-of-the-art sealing technology ensuring unrivaled security.
The advanced multi-layer sealing system between the stem and body offers dual-layer protection by utilizing a combination of O-ring and graphite or PTFE, providing unmatched sealing performance.
This pioneering design fulfills the demanding TA-Luft/Shell SPE 77/312 standards.
Prolonged Service Life for Maximum Cost-Efficiency
Our metal seated ball valves undergo sophisticated processing techniques such as spray welding, spraying, and fusion welding. These processes ensure a robust hardness range of HRC58-73 and a bonding strength of 80-40MPa, boasting an extraordinary operational lifespan exceeding 100,000 cycles with a leakage class of ANSI VI.
Innovative Modular Design for Superior Convenience
The ingeniously modular inner sealing design caters to easy interchangeability between soft and metal seats, ensuring both flexibility and dependable performance.
Diverse Connection Types for Enhanced User Convenience
Our valves offer a variety of connection types, including flanged (RF, FF, FM, G, RJ), screw-thread, and BW, all meticulously designed to meet international standards, ensuring seamless and user-friendly integration.
Proven Reliability Backed by Extensive Application Experience
SNT Valves have garnered a stellar reputation through widespread application in industries such as petroleum, chemical industry, light industry, pharmaceuticals, paper-making, metallurgy, and power stations. We provide unparalleled solutions tailored to specific service conditions, setting the benchmark for market-leading reliability.
SNT Machinery (Qingdao) Co., Ltd. emerges as a leader in the realm of control valve manufacturing, masterfully integrating production, design, sales, and service. Nestled in the scenic beauty of Qingdao, Shandong Province, our expansive 42,000m² facility is a beacon of advanced workshops and cutting-edge machinery. As a trailblazing high-tech enterprise, we wield exclusive intellectual property rights, supported by global management and production prowess. Our dynamic team of over 150 talented individuals includes a remarkable 15% dedicated to research and development, with 30% holding advanced academic degrees. Driven by a passion for excellence and innovation, we manufacture superior valves that find pivotal applications in the petrochemical, oil, and coal chemical sectors. Our outstanding performance mirrored in 2017 with sales revenue approaching an impressive 100 billion.
SNT proudly upholds the esteemed TS special equipment manufacturing certificate alongside ISO 9001 accreditation. We have garnered certification from industry giants including SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our portfolio is rich with national patents across diverse technologies. Our prowess encompasses the design and manufacture of an extensive valve range that complies with ANSI, API, DIN, BS, and JIS standards. By seamlessly integrating the finest attributes of world-renowned valves with our own cutting-edge R&D, we present a vast collection of valves ranging from GLOBE, High Pressure Boiler Blow-down Valves, to High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves.
Our remarkable product spectrum also extends to include T Three-eccentric Center Butterfly Valves, V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, and Self-operated Control Valves, among others. We offer diverse operational modes including manual, power-driven, pneumatic, and hydraulic options. The main materials we use include A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our specifications embrace sizes from 1/2" to 120", handling working pressures from ANSI 150# to 2500#, and operative temperatures from -196ºC to 1100ºC.
Leveraging advanced production techniques and a comprehensive quality assurance system, SNT valves are vital components across industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our prestigious clientele features illustrious names including SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Changling branch, among many others.
With a resolute focus on maximizing customer profitability, we are steadfast in establishing a superior quality benchmark and a reputable brand. Our robust quality assurance and after-sales service systems ensure that SNT valves foster prosperous, long-term partnerships with all our esteemed clients.