Rotating disc valve is a kind of quick open/close valve through a rotating disc. It is special designed for abrasive and erosive medium, it can be operated properly and continuously in severe condition for very long time. The self-rotating and milling disc/seat function of its particular hard sealing face allows its tightness to be improved increasingly during the application with abrasive and erosive materials, making its service life much longer than that of other valves. Therefore, when you feel tired about replacing your valves frequently, you should consider using disc valves as your first option. Its performance will exceed your expectation.