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


  • Forward-acting, tension-loaded design without score lines
  • Burst ratings 5 to 80,000 psig
  • Operating pressures to 70% of the disk’s marked burst pressure
  • Seat Configuration: Angular 30°
  • Sizes 1/4” thru 24” diameters
  • Temperature ratings to 900°F (482°C)
  • Suitable for liquid, gas or 2-phase flow
  • 3-dimensional stainless steel tag is standard
  • ASME UD, CE and TUV marking available