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Products > Opti-Gard™ > Hygienic Opti-Gard™ System Details
 
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(Patent applied for)


The Hygienic Opti-Gard™ system is a unique design specifically for aseptic and hygienic conditions providing a fully loaded technical solution with advanced detection and flexibility. The system offers significant benefits to everyone involved in the Specifications, purchase and operation of pressure management systems.

Hygienic Opti-Gard™ is non fragmenting and has a smooth uninterrupted surface finish to reduce contamination and maximise stream sterilisation (SIP) and clean-in-place (CIP) procedures. To facilitate installation Hygienic Opti-Gard™ is designed to fit directly between ISO2852 standard food industry couplings and clamp fittings.

  • Smooth process face with score on vent side
  • FDA compatible materials
  • Low pressure capability
  • Non fragmenting design
  • No vacuum support required
  • Compliant with American 3-A sanitary standard
  • Ideal for CIP and SIP applications
  • Supplied with non-invasive, 100% reusable ATEX approved detection device as standard
  • Global quality approvals in place
   
Specifications
Size Range
25mm to 100mm (1" to 4")
Burst Pressure Range
0.5 bar g to 10 bar g (7 psig to 145 psig)
Temperature Range
-40 to 200°C (-40 to 400°F)
Maximum Operating Ratio
95% of minimum burst pressure(92% of nominal burst pressure)
Fragmentation on Burst
Non-fragmenting design
Relief Valve Isolation
Excellent
Vacuum Service
Designed for full vacuum
Fluid Compatibility
Liquid, gas or vapour
KR Values
Not available
Disc Surface Finish
Typical 0.5µ Ra or better
Cycle Life
Tested to 100,000 cycles to MOR
Material Range
Stainless Steel as standard, others available.
Leak Tightness
Excellent (typically ≤ 10-6 std cc sec-1)
Performance Tolerance
+/- 5% (zero manufacturing design range)

Specifications and Performance
Burst Pressure Range in barg (psig) at 20°C (68°F)
Connection to ISO 2852
Disc Diameter
Stainless Steel
(mm)
(inch)
(mm)
(inch)
Min
Max
25
1
25
1
3.5 (50)
10 (145)
38
1 ½
25
1
3.5 (50)
10 (145)
50
2
40
1 ½
1.9 (27)
10 (145)
80
3
65
2 ½
1.0 (13)
10 (145)
100
4
80
3
0.5 (7)
10 (145)

Performance Tolerance (Zero Manufacturing Design Range)
Burst Pressure
Tolerance
Burst Pressure
Tolerance
Above 2.76 barg
+/- 5%
Above 40 psig
+/- 5%
Up to 2.76 barg
+/- 0.14 barg
Up to 40 psig
+/- 2.0 psig

Standard Temperature Range °C (°F)
Material
Minimum
Maximum
Stainless Steel
-80 (-112)
200 (400)

Free Flow Area / Minimum Net Flow Area (MNFA)
Connection ISO 2852
Value
mm
inch
mm2
in2
25
1
500
0.78
38
1 ½
500
0.78
50
2
1092
1.69
80
3
2701
4.19
100
4
4393
6.81

Holder Dimensions
Nominal Size
Disc Diameter (A)
Height (C)
Outside Diameter (D)
mm
inch
mm
Inch
mm
inch
mm
inch
25
1
25
1
80
3.15
74
2.91
38
1 ½
25
1
80
3.15
74
2.91
50
2
40
1 ½
80
3.15
87
3.42
80
3
65
2 ½
80
3.15
126
4.96
100
4
80
3
80
3.15
146
5.7



The holder is configured to accept Elfab’s ATEX-approved Integral Flo-Tel™ burst detection switch as standard.

To ensure the correct performance of a bursting disc, it must be used in its correct holder, as specified by the bursting disc manufacturer.

The holder is supplied with a Silicon O ring. Other FDA approved O rings can be supplied on request, please ask for details.

Pressure Intelligence

 The data shown on these sheets represents the standard offering from Elfab. Depending upon the requirements of your application, Elfab maybe able to provide a solution based on this product but outside the standard operating parameters. In addition, Elfab produces an extensive range of alternative products which maybe more suitable for your requirements.

As a result of extensive testing, Elfab can advise on these choices, or on other technical matters, such as discharge requirements, temperature testing, material selection and corrosion resistance, customised designs and burst detection.

To discuss your specific product or service requirements please contact your Elfab representative.

© 2004 Elfab Ltd.

 
 
 
 
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