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Product Spotlight: Continental Disc Corporation HPX-Ta

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Introducing Continental Disc Corporation's HPX-Ta™ Tantalum Rupture Disc

CDC’s new HPX-Ta™ rupture disc is a Tantalum semicircular scored reverse acting rupture disc designed specifically for use in highly corrosive media, such as bromine, chlorine, HCL, nitric acid or sulfuric acid. In certain concentrations, temperatures and moisture conditions, Tantalum is frequently the only suitable rupture disc material for the application.


  • Petrochemical / Agricultural Chemical – reactors, storage vessels, heat exchangers, discharge heads, safety relief valve isolation
  • Industrial Gas – process columns and vessels, storage and transportation tanks
  • Oil & Gas – distillation columns, separators
  • Pharmaceutical – production vessels, heat exchangers
  • Semiconductor Production – specialty gas distribution and storage transportation tanks


  • Available in sizes 1″ – 8″
  • Tantalum rupture disc material for corrosion protection
  • 316 SS standard outlet ring material, HASTELLOY C, Tantalum and other materials available upon request
  • Cyclic durability designed for a minimum of 1,000 cycles from full vacuum to 90% of the burst rating
  • 90% maximum recommended operating ratio
  • Safety ratio of 1 to 1 or less. If the rupture disc becomes damaged, it will relieve at or below the burst pressure
  • Ideal for liquid or gas / vapor applications
  • Non-fragmenting design
  • ASME Code Section VIII, Div 1 compliance available when requested
  • Available option: cleaned for oxygen or chlorine service
Product Spotlight: Continental Disc Corporation HPX-Ta 1


  • Provides lower maintenance cost, greater reliability as compared to alternate rupture disc types or materials
  • Compatible with the HPX Insert, HPX-PT (pre-torqued) or HPX double disc holders
  • Holder corrosion resistance can be enhanced by Tantalum lining or coating of the holder inlet and / or Tantalum coatin of the outlet holder
  • Tantalum lined HPX-PT (pre-torqued) holders are ideal for use on vessels or pipe spools having TEFLON or glass lined flanges
  • Increased productivity of your system

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