SRA - Reverse Acting Disk

The SRA rupture disk (bursting disc) covers the majority of rupture disk (bursting disc) applications. Designed to be used in the SR7A Holder


  • Non-fragmenting design solid metal cross-scored disk
  • Operating pressures to 95% of the disk’s marked burst pressure
  • Suitable for gas service only
  • Disk is scored on the vent side to minimize the effect of product build up on the process side
  • Temperature ratings to 900°F (482°C)
  • Materials of construction: 316SS, Inconel, Monel, Nickel, or Aluminum
  • 3-dimensional stainless steel tag is standard
  • Extended cycle life: withstands positive-to-negative cycling
  • ASME UD marking available
  • Use alone or combine with relief valves
  • Unique notches in disk O.D. ensures proper mounting into SR7A Disk Holder
  • TFE liners are available to provide protection from corrosive media if required