The valve body is integrally cast from cast steel (WCB/WC9/CF8 optional), featuring excellent high temperature and pressure resistance compared with ductile iron valves.Working pressure range: 0.6MPa ~ 4.0MPa; operating temperature range: -60℃ ~ 425℃.Metal hard seal and soft rubber seal are available, with strong erosion and corrosion resistance.End connections include flanged, wafer and welded types.Suitable for high-temperature steam, oil, fuel gas and chemical fluids, widely applied in power plants, oil & gas pipelines, metallurgy and chemical projects.