PB - Forward Acting Rupture Disk

The PB Series forward acting rupture disks (bursting discs) mount with the concave surface facing the process media.
PB Forward Acting Rupture Disk


  • The PB series is a forward-acting, tension-loaded design
  • Operating ratios up to 75% of the low end of burst tolerance
  • Excellent for liquid, gas or 2 phased flow
  • Wide range of standard and exotic materials available
  • Sizes from 1/4” (6mm) through 24” (600mm)
  • Burst ratings from 3 psig (0.21 barg) to 60,000 psig (4136.85 barg)
  • 3-dimensional stainless steel tag permanently engraved with complete disk specifications
  • ASME, CE (PED), and TÜV compliance available