German roman seliger valves, roman seliger models, roman seliger prices

The closure member of the roman seliger valve is a plug-shaped disc. The sealing surface is flat or conical, and the disc moves linearly along the centerline of the valve seat. The stem movement type (common name: rising stem) also includes lift-and-rotate stems. It can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metals, and radioactive media. Therefore, this type of stop valve is very suitable for shut-off, regulation, and throttling. Since the opening or closing stroke of the valve stem for this type of valve is relatively short,