Flanged Stop Valve that we put forward is a type of forced seal valve, and therefore if the valve is turn off, a force should be applied to the valve clack for forcing the sealing face not to leak. This kind of valve is great to be utilized in chemical, fertilizer, petroleum, power, pharmaceutical, industry and varied other working conditions of the pipelines. Effortless to install, dimensionally stable, and durable, the Flanged Stop Valve can be bought in several sizes, shape and grades.