RD520 AXIUS® High Performance Rupture Disc

RD520 AXIUS® High Performance Rupture Disc

Smooth, Reverse-Acting, Lowest Burst Pressure

Designed to be used in aggressive chemical and pharmaceutical applications, the reverse-acting AXIUS® rupture disc is available in corrosion-resistant materials and has the tightest tolerances available.

Product Detail

  • Operate up to 95% of its marked burst pressure for burst pressures over 40 psig (2.76 barg), and up to 95% of the minimum of the burst tolerance at 40 psig (2.76 barg) and below.
  • Capable of cycling from full vacuum to 95% operating ratio in excess of 100,000 times, even at the lowest burst pressures available.
  • Disc seal and ring material: Hastelloy® C276 and 316/316L SST.
  • Operates in both gas and liquid applications.
  • Can be ordered with an optional FEP or PFA fluoropolymer liner on the process side, minimum burst pressure 30 psig (2.07 barg), maximum temperature 400°F (204°C).
  • ASME Certified.
  • Effective in VALVEGUARD protection of expensive Pressure Relief Valves and Safety Relief Valves.



Complete and current specs can be found in the AXIUS Rupture Disc Data Sheet

Size Range  1 – 12 in25 – 300 mm
Burst Pressure Range  7 – 600 PSIG.48 – 41 BARG.48 – 42 KG/CM2
Tolerances ± 1 PSIG (<15 PSIG) ± 2 PSIG (15 – 40 PSIG) ± 5% > 40 PSIG

axius rupture disc chart



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