PRESSURE RELIEF SOLUTIONS  Fike is a leader in bursting disc and rupture disc innovation. Fike pressure relief products are compliant with global code regulations and are designed to meet or exceed industry requirements for rupture disc performance, reliability, and quality. From safeguarding your manufacturing processes to protecting your safety relief valves (SRV's), Fike rupture discs and pressure relief products are part of the critical path to lowering your costs and helping you achieve higher profitability.



P Series

Pressure Relief
Installatiion & Maintence
  Insert Holder

The P-series rupture disc


Design Conventional, Pre-Bulged, Forward-acting

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

Tolerances See Chart on Datasheet


The economical P series of Fike rupture discs are designed for ruggedness and ease of installation. The CPV rupture disc is a three-member disc that consists of a retainer ring, a rupture 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 utilize the standard 30 seating
  • The Conventional Prebulged (P) rupture 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
  • 70% Operating Ratio
  • Gas or liquid service
  • Full vacuum rating (CPV and CPV-C)