D - Forward Acting Rupture Disk

The D Series forward acting rupture disks (bursting discs) are composite design with state-of-the-art laser slotted metal top section. Designed to be used in the 7A – Angle Seat Disk Holder
D Forward Acting Rupture Disk


  • State-of-the-art laser slotted metal top section
  • Forward-acting, tension-loaded design
  • Metal or TFE seal
  • Fragment resistant design
  • Operating pressures to 80% of the disk’s marked burst pressure
  • Seat Configuration: Angular 30°
  • Sizes 1/2” thru 24” diameters
  • Burst ratings 3 to 2500 psig
  • Temperature ratings to 900°F (482°C)
  • Suitable for liquid, gas or 2-phase flow
  • 3-dimensional stainless steel tag is standard
  • ASME UD marking available
  • Protective Rings are recommended with D Series Disks to protect delicate materials and/or to provide stability
  • A wide variety of metal and TFE seal materials are available