The Fike RD520 AXIUS is a high-performance, reverse-acting rupture disc engineered for demanding industrial applications requiring superior overpressure protection. Its advanced design allows for an exceptional operating ratio of up to 95% of the minimum burst pressure, enabling processes to run closer to their maximum allowable working pressure, thereby increasing efficiency and output. The AXIUS features a unique, gasket-free construction that provides a secure, metal-to-metal seal, minimizing the risk of leaks. Suitable for both gas and liquid service, this durable disc is designed to withstand full vacuum conditions without the need for additional vacuum support, making it a reliable and versatile safety solution for protecting personnel and equipment.