Reverse Rupture Discs

Vac-Gard / Posi-Gard (VGD/PGD)

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Ultra low pressure reverse acting disc.

This range of composite reverse acting 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%