Premium Rupture Discs
RD500 Atlas®
Function
Offers burst pressures up to 1500 PSIG (103.42 BARG) and sizes up to 42" while still featuring 95/100 (ASME/EN ISO 4126-2) percent operating ratio, liquid or vapor service, back-pressure resistance and unrivaled cycling capability.Operating Ratio
95% of marked burst pressures over 40 psig (2.76 barg) – ASME95% of minimum burst tolerance for burst pressures less than or equal to 40 psig (2.76 barg) – ASME and EN ISO 4126-2
100% of minimum burst pressure over 40 psig (2.76 barg) – EN ISO 4126-2
RD520 Axius®
Function
Designed for use in the most challenging industrial pressure relief applications, the reverse-acting, problem-solving RD520 AXIUS rupture disc is available in a range of corrosion-resistant materials and has the tightest burst tolerances available.Operating Ratio
95% of marked burst pressures over 40 psig (2.76 barg) – ASME95% of minimum burst tolerance for burst pressures less than or equal to 40 psig (2.76 barg) – ASME and EN ISO 4126-2
100% of minimum burst pressure over 40 psig (2.76 barg) – EN ISO 4126-2
RD540 Ultra Low Pressure
Function
First high-performance metallic rupture disc for use in very low-pressure applications such as glass lined reactors. Ideal replacement for graphite rupture discs.Operating Ratio
90% Operating Ratio