Rupture Disc Holder - Insert

  • Flat-faced insert holder for ANSI flange systems
  • Enables pre-assembly of rupture disc for correct seating
  • Available in multiple seating configurations (FRDI, PRDI, RDI)
  • Compatible with wide size range (25–1050 mm)
  • Available in stainless steel and carbon steel
  • Designed for integration into flanged piping systems

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The OsecoElfab Insert Rupture Disc Holder is a reduced diameter, flat-faced flange assembly designed to bolt between standard ANSI pipe flanges and fit within the bolt circle. It allows the rupture disc to be pre-assembled to ensure it is properly seated before installation into the pressure systems. It is available in standard ANSI flange ratings up to over a metre and offers three seating arrangements: FRDI (flat seat), PRDI (flat seat), and RDI (30° angular seat). The holder is suitable for safety relief valve isolation and is designed to meet ASME standards. Marketing punchlines include: Let us help you with all your pressure relief questions.

Use Cases

  • Safety Relief Valve Isolation
  • Flanged Piping Systems

Capabilities

  • Enables correct rupture disc installation via pre-assembly
  • Supports integration into ANSI flanged piping systems
  • Provides flexibility via multiple seating arrangements depending on disc type
  • Supports fixed piping applications and PSV protection (extended height options)
OsecoElfab OsecoElfab manufactures pressure management solutions, including rupture discs and explosion vents, for the hydrogen economy to ensure safety and performance. Founded in 1965, it is part of the Halma Group. The company focuses on innovation and customer-centric solutions.

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