URA - Reverse Acting Rupture Disk

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


  • Single disk design covers 95% of plant requirements
  • Scoreless design offers higher cycle life when compared to scored reverse-acting disks
  • Low and high burst pressures available in a single design
  • Excels in liquid or gas applications
  • 0% manufacturing range is standard
  • Operates to 95% of the disk’s rated burst pressure
  • Non-fragmenting design
  • Withstands full vacuum without vacuum support
  • Excellent for isolating safety relief valves
  • Damage ratio of 1.0 or less
  • Resists product buildup - only the smooth convex side of the disk is exposed to the process medium
  • Additional TFE corrosion protection available (specify URA-L)
  • 3–dimensional stainless steel tag is standard
  • ASME UD marking available