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

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%

• Size Range : 50mm to 300mm (2” to 12”)
• Burst Pressure Range : 5 mbarg to 500 mbarg
  
• Maximum Operating Ratio : 60% of minimum burst pressure
• Relief Valve Isolation : Suitable
• Fluid Compatibility : Gas or Vapour
• KR Values: N/A
• Cycle Life: Good
• Material Range : Stainless Steel as Standard
• Reversal Ratio : N/A With Standard Holder
• Performance Tolerance : +/- 25%
• Protective Linings:  N/A