Reverse Rupture Discs

Printer-friendlyPrinter-friendlyElfab's reverse acting rupture disc range boasts some of the most technically advanced discs on the market. These compression-loaded rupture discs are designed to withstand full vacuum and extreme cyclic conditions. Excellently manufactured for accurate burst control, Elfab's reverse rupture disc range is capable of operating at up to 95% of rated burst pressure. Elfab's intelligent Opti-Gard™ discs offer a single disc solution across a range of burst pressures.

Rupture Disc / Sizes: 1/8" to 32"

Rupture Disc / Mediums: Liquid, gas and vapour

Rupture Disc / Applications: For very rapid relief of pressure



VAC-GARD AND POSI-GARD
Ultra low pressure reverse acting disc. This range of composite reverse acting rupture discs are ideal for the relief of vacuum and over pressure situations. Both products offer non-fragmenting opening and as a result of their modular content can be offered to meet a broad range of non-standard specifications and applications. Come manufactured as standard with non-invasive detection.
  • Suitable for ultra low pressures
  • Suitable for gas or vapour
  • Operating ratio up to 60%

  Data Sheet

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OPTI-GARD SoLo
The Most Technically Advanced Low Pressure Rupture Disc. Peripherally scored on the vent-side for accurate burst control Opti-Gard™ SoLo is an advanced, reverse acting rupture disc. With a 95% operating to burst pressure ratio and performance tolerance of 3% Elfab offer Opti-Gard™SoLo as a single rupture disc solution across a wide range of sizes and burst pressures. Designed for low pressure applications from 2Psig, Opti-Gard™ SoLo is a unique reverse acting rupture disc suitable for liquid, gas and vapour applications. Its innovative design combines a patented geometric shape with state-of-the-art manufacturing process and is unique in offering non-invasive detection as standard.
  • Tested to over 100,000 cycles
  • Non-fragmenting rupture disc design
  • Manufactured in Hastelloy as standard
  • Full vacuum service
  • Standard 2 week lead time
  • Allows for potential stock reduction of up to 65%

  Data Sheet

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OPTI-GARD
High Performance reverse acting rupture disc. Peripherally scored on the vent-side for accurate burst control Opti-Gard™ is an advanced, reverse acting rupture disc. With a 95% operating to burst pressure ratio and performance tolerance of 3% Elfab offer Opti-Gard™ as a single disc solution across a wide range of sizes and burst pressures. With architecturally engineered burst pressures Opti-Gard™ offers the highest performance characteristics for liquid, gas or vapour. Unique in offering non-invasive detection as standard.
  • Tested to over 100,000 cycles
  • Non-fragmenting rupture disc design
  • Manufactured in Hastelloy as standard
  • Standard 2 week lead time
  • Full vacuum service
  • Allows for potential stock reduction of up to 65%

  Data Sheet

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HYGIENIC OPTI-GARD
A Full Technical Solution for Hygienic Applications.
Hygienic Opti-Gard™ is a low-pressure peripherally scored reverse-acting rupture disc designed with a smooth uninterrupted surface finish to meet FDA approvals for hygienic and aseptic installations.

Hygienic Opti-Gard™ is the most technically advanced product in this field, unique with a 95% operating ratio and a 3% tolerance. Comes as standard with non-invasive detection system Flo-Tel™+.

  • Suitable for use with tri-clamps / ferrules
  • Non-fragmenting rupture disc design
  • No vacuum support required
  • Ideal for CIP and SIP applications

  Data Sheet

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BIO-GARD
A rupture disc specifically designed for protection in aseptic and hygienic plants. Bio-Gard is a low-pressure peripherally scored reverse-acting rupture disc designed with a smooth uninterrupted surface finish to meet FDA approvals for hygienic and aseptic installations.
  • Suitable for use with tr-clamps / ferrules
  • Non-fragmenting rupture disc design
  • No vacuum support required
  • Ideal for CIP and SIP applications

  Data Sheet

Product Page 



For more varieties and information on the Elfab rupture disc range, please contact us or send an email to
valves(at)pressureandsafetysystems.com.au.