High-pressure butt welding ball valve is mainly suitable for cutting off or connecting pipeline media on the pipelines of various systems of thermal power stations. Applicable medium: water, steam and other non-corrosive media. Compared with other ball valve products, the high pressure butt welded ball valve is characterized by a unique self-sealing design, the higher the pressure, the more reliable the seal. Due to the special performance and technical characteristics and working conditions, the product has also formed the characteristics that cannot be replaced by other products.