fully welded ball valve

The fully welded ball valve is a relatively new product in the pipeline valve sector. Its defining feature lies in its valve body, which is manufactured through integral casting or forging combined with full welding processes. All components are fused into a single unit via high-precision welding, ensuring a leak-free, high-strength, and maintenance-free valve body specifically designed for permanent burial or demanding operating conditions. The fully welded ball valves produced by Kaiweixi Valve Group typically employ either floating or fixed ball designs. The main structure consists of an integrally cast or forged valve body, a floating or fixed ball, a high-performance seat sealing system, an extended stem, and an anti-blowout mechanism. Internally, the design is compact, while externally, there are no visible bolted connections, eliminating potential leak points. The core purpose of this design is to ensure absolute safety and sealing integrity of pipeline systems under harsh conditions such as high pressure, large pressure differentials, extreme temperature fluctuations, and seismic events. These valves serve as critical pipeline equipment for long-distance transmission lines (oil, gas, refined products, natural gas), urban main distribution networks, nuclear power plants, and strategic infrastructure projects.