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.



AD Series

The AD rupture disc is designed for the protection of atmospheric vessels.


Design Flat Composite, Forward-acting

Size Range 1.5 24 in 40 - 600 mm  
Burst Pressure Range 1 15 PSIG 0.07 - 1.03 BARG 0.07 - 1.05 KG/CM2

Tolerances See Chart on Datasheet


The AD rupture disc is designed for protection and /or vacuum protection of atmospheric vessels.
The AD-H model is available for sanitary configurations.

  • Bursts in either direction at same pressure (1:1 ratio)
  • Low burst pressures available, 1 psig (70 barg) to 15 psig (1034 barg)
  • Partial vacuum rating without vacuum supports
  • No special rupture disc holders necessary (mounts between companion flanges)
  • Pre-attached gaskets for easy installation
  • Available with CSA approved integral burst indicator
  • Standard materials of construction are 316/316L SST top and bottom sections with a fluoropolymer seal. Other materials are available upon request