Welding Soft Seated Ball Valve for Oil and Acid Medium for High Temperature and Pressure Industries

Our innovative packing combination is engineered meticulously to meet stringent emission requirements of 100 ppm. This superior design simultaneously reduces friction on the stem by an impressive 20%, enhancing the overall operational efficiency.

SNT Machinery (Qingdao) Co., Ltd is a pioneering leader in the production of control valves, seamlessly integrating manufacturing, design, sales, and service into one cohesive enterprise. With an impressive beginning and rapid development, SNT is strategically located in Qingdao, Shandong province, spanning 42,000 square meters, and outfitted with cutting-edge workshops and production facilities. As a high-tech powerhouse, it boasts independent intellectual property rights and has adopted sophisticated management and production techniques from around the globe. Staffed by over 150 dedicated employees, 15% of whom are R&D specialists and 30% are graduates or hold higher degrees, SNT is driven by a top-tier production management team and a passion for innovative research and development. Today, we produce vast quantities of premium quality valves that are pivotal in the petrochemical, oil, and coal chemical industries, achieving a remarkable sales value approaching 100 billion in 2017.

SNT has proudly obtained the TS Special Equipment Manufacturing Certificate along with ISO 9001 certification. We've earned the net qualification certificate from industry giants such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM, and hold numerous national patents in cutting-edge technologies. Our expertise allows us to design and manufacture a comprehensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By blending the finest attributes of globally renowned valves with our own pioneering research and development, we have mastered the production of an extensive array of valves, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and Three-eccentric Center Butterfly Valves.
Our impressive range also features V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. With diverse driving options, including manual, power-driven, pneumatic, and hydraulic systems, and utilizing premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M, we cater to specifications from 1/2" to 120", withstand working pressures from ANSI 150# to 2500#, and operate effectively in temperatures ranging from -196ºC to 1100ºC.

Thanks to our advanced production technology management and robust quality assurance system, SNT Valves have found widespread application across the petrochemical, oil, steel & iron, paper manufacturing, and power station industries. Our esteemed clientele includes the likes of SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, as well as SINOPEC Changling branch, Jinan branch, and many more.

We prioritize our customers' success, dedicating ourselves to upholding exceptional quality and building a respected brand. Our comprehensive quality assurance and after-sales services ensure that SNT valves stand alongside our valued partners, fostering shared prosperity and growth.