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High-performance reverse acting rupture disc

Oseco’s OPR+/OPK+ is a high performance reverse buckling rupture disc that provides a single disc solution across a wide range of sizes and burst pressure. The OPR+/OPK+ allows for potential stock reduction of up to 65% due to it’s versatile design.

The OPR+/OPK+ disc is manufactured at Oseco’s manufacturing facility in Broken Arrow, Oklahoma, USA.

Key features

  • Available for gas, liquid and vapour service
  • Excellent for high cycling applications
  • Often used for Safety Relief Valve isolation
  • Non-fragmenting design
  • Size range: 1″ – 24″ DN25 – DN600
  • Operating ratio: 95%
  • Withstands full vacuum
  • Standard materials of construction:
    316 Series Stainless Steel, Inconel®*
    600, Monel®* and Hastelloy® C*
    *Ferromagnetic material cannot be used with
    the Flo-Tel burst detector.
  • Designed to meet ASME Section VIII
  • Available in the Oseco Safety Cartridge


Technical downloads (Oseco OPR+/OPK+)

Technical information
Installation guide


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