P Series Bursting Disc Conventional, Pre-Bulged, Forward-acting


The economical P Series of Fike bursting discs are designed for ruggedness and ease of installation. The CPV bursting disc is a three-member disc that consists of a retainer ring, a bursting disc and a vacuum support – spot welded together to make a sturdy, closely fitted unit. The CPV-C version includes a full cover to protect the disc from downstream dirt or rust.

  • Designed for installation in flanges which utilise the standard 30° seating
  • The Conventional Prebulged (P) bursting disc is a single-member disc that may utilize a fluoropolymer or polyurethane coating on either or both sides.
  • In addition to typical seal materials, tantalum, titanium or other precious metals may be used when dealing with corrosive media.
  • 75% Operating Ratio
  • Gas or liquid service
  • Full vacuum rating (CPV and CPV-C)


Design Conventional, Pre-Bulged, Forward-acting



Size Range 15 – 600 mm 0.5 – 24 in
Burst Pressure Range 0.10 – 758 BARG 1.5 – 11,000 PSIG 0.11 – 773 KG/CM2



P Series Rupture Disc Chart

P Series Bursting Disc Chart



  • Storage Tanks
  • Process Piping
  • Pumps
  • Viscous Service
  • Slurries
  • Liquid-Vapor Separators
  • Hydraulics
  • High Pressure Gas