Hygienic Opti-Gard™ (HLD-OPH)

Hygienic Opti-Gard™ (HLD-OPH)

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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
Contact Elfab about this product
Size Range 25mm to 100mm (1” to 4”)
Burst Pressure Range 1 barg to 10 barg (14.5 Psig to 145 Psig)
Temperature Range See product downloads
Maximum Operating Ratio 95% of minimum burst pressure (92% of nominal burst pressure)
Fragmentation on Burst None fragmenting design
Relief Valve Isolation Excellent
Vacuum Service Full Vacuum
Fluid Compatibility Liquid, Gas or Vapour
KR Values N/A
Torque Sensitive N/A
Cycle Life Tested to 100,000 cycles to Maximum Operating Ratio
Material Range Stainless Steel as Standard. Others Available
Reversal Ratio N/A offset tag on holder
Damage Ratio <1 Fail Safe
Leak Tightness Excellent
Performance Tolerance +/- 5% (zero manufacturing design range)
Protective Linings N/A
Disc Surface Finish 0.5µ Ra or better