SRA - Reverse Acting Rupture Disk

The SRA reverse acting rupture disk (bursting disc) covers the majority of rupture disk (bursting disc) applications. Designed to be used in the SR7A Holder
SRA Reverse Acting Rupture Disk


  • 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