A Rupture Disc is a non-mechanical safety device to relief when it is occurred that excessive pressure is over the critical pressure in a pressure system. Special material and structure (It is easy to select material and is economical) And there is no size limit, Constant rupture performance and release all of fluid, Instantaneous release of maximum capacity. Extensive service environment (strong corrosive fluid, temperature, liquid, gas, powder, etc.), Zero Leakage, Extension of safety valve life, Possible to check the Piping of outlet during operating, Extension of overhaul period, Easy to handle and cost reduction.