Zhejiang Chaoda Valve won the Gold Medal of China International Valve Expo

The 3rd China International Fluid Machinery Exhibition and the China International Valve Expo, widely regarded as the most professional, largest, and highest-level event in the domestic valve industry, took place at the Beijing Exhibition Hall over three days. Over 500 renowned manufacturers from both within and outside China participated, including dozens of well-known foreign companies from the U.S., Germany, Japan, South Korea, and Italy. In recent years, many private enterprises that have made significant contributions to fluid machinery manufacturing also showcased their latest innovations and developments at the exhibition. Numerous valve users, representatives from design institutes, engineering companies, and industry experts attended the event. Additionally, delegations from the Japan Valve Association, the Korea Valve Association, and exhibitors from the U.S. and Europe were present, highlighting the international appeal of the exhibition. Zhejiang Chaoda Valve Co., Ltd. presented its 20-year development journey and recent research achievements, which attracted considerable attention. The company's latest key products, such as the QT341Y and QT347Y special metal hard-seal ball valves for media like mortar, gray water, and slag, as well as the TX41Y and TX61Y metal hard-seal lift plug valves, and the Z23Y, ZF63Y, ZF64Y, T68Y, T67Y, and HQ62Y high-pressure oilfield valves, received gold and silver awards from the China General Machinery Industry Association and its Valve Branch. These special metal hard-seal ball valves are suitable for high-temperature, high-pressure environments with hard solid particles and media prone to coking or bonding. Advanced technologies such as surface spraying, high-efficiency grinding, and industrial mass production of large-diameter high-pressure spheres have been successfully developed and applied. These technologies have filled domestic gaps and have been implemented in major projects such as Shenhua Group’s "key coal liquefaction technology" national "863 Program," Sinopec Nanjing Chemical Industry, Shandong Hua Luhengsheng Chemical, and Sinopec Jinan Branch, all receiving positive feedback. The metal hard-seal lift plug valve operates by first lifting the cock away from the seat before rotating it 90 degrees to open or close the valve. This design ensures minimal wear on the sealing surface and provides reliable two-way sealing, resulting in a long service life. The valve is widely used in petrochemical, metallurgical, and power industries, with proven performance and passing provincial technological appraisals. Traditional oilfield mud valves often face issues such as clogging and leakage due to solidification when the drilling platform moves. Chaoda’s oil mud valve has significantly improved durability, lasting up to three years without damage. Its special regulating valve reduces sealing pressure to about 1 MPa during closure, preventing leakage and improving safety. The company’s oilfield water injection/polymer gate valve features high-hardness anti-pinch materials, ensuring stable performance and user satisfaction. Traditional check valves often fail to seal properly over time. Chaoda’s double-ball anti-scaling check valve effectively prevents medium fouling and enhances the safety of high-pressure pumping stations. The company’s oilfield-specific high-pressure valve series has been successfully applied in projects like Daqing and Shengli Oilfields, earning widespread praise from users.

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