Metal hard sealed ball valves can be equipped with auxiliary sealing structures at the valve seat, and grease injection valves can be added to the valve seat and stem for temporary sealing in emergency situations. The valve stem can be extended as needed to suit the working conditions. Metal sealed ball valves are suitable for various pipelines and are used to cut off or connect media in pipelines. Different materials are selected and can be applied to media such as water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc.
Metal hard sealed ball valves can be equipped with auxiliary sealing structures at the valve seat, and grease injection valves can be added to the valve seat and stem for temporary sealing in emergency situations. The valve stem can be extended as needed to suit the working conditions. Metal sealed ball valves are suitable for various pipelines and are used to cut off or connect media in pipelines. Different materials are selected and can be applied to media such as water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc.