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elfab bursting disc
​REVERSE ACTING- Opti-Gard™ High Strength Magnet (DSC-OPM)

ELFAB PRESENTATION
Elfab Limited Named As One Of Europe’s Best In First Ever ‘Ones To Watch’ List. Elfab Limited, has been named as ‘One to Watch’ in Europe in a list of business excellence published by the European Business Awards. Elfab was chosen as the company has demonstrated exceptional achievement in the Business of the Year category for companies with a turnover up to €25 million and reflects the programme’s core values of innovation, success and ethics.
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As a manufacturer of pressure relief systems that protect people, plant, processes and the environment, Elfab provides products for both end users and OEMs (Original Equipment Manufacturers) in a number of sectors ranging from automotive to pharmaceuticals. Elfab’s products can be found in over 70 countries across the globe – all achieved with a team of just 65 people.
Adrian Tripp, CEO of the European Business Awards, Europe’s largest cross-sector business competition, said: “We wanted to recognise more widely the many incredible business success stories from across Europe.”
He continued: “The talent, dedication and innovation at the heart of these companies creates jobs and opportunity and is what drives their country’s prosperity. The ‘Ones to Watch’ list will set a benchmark of success for the European business community.”
In response to the announcement that Elfab has made it onto the European Business Awards ‘Ones to Watch’ list, Anika Ephraim, Elfab’s Managing Director commented “As a global company with a significant European footprint, we are extremely proud to have been selected as one of just under 200 UK companies whose significant growth, innovation and ethical approach to business has been recognised in this outstanding business competition.

ELFAB REVERSE ACTING- Opti-Gard™ High Strength Magnet (DSC-OPM)
Opti-Gard™ High Strength Magnet is a technically advanced reverse acting rupture disc solution specifically designed for use in applications where Duplex Holders are required. The Opti-Gard High Strength Magnet (OPM) is available across a wide range of sizes, materials, burst pressures and process conditions. OPM has been specifically designed for use with duplex holders available in 22cr and 25cr.
  • Industry leading 3% tolerance, up to 97*% operating ratio
  • For use with Duplex Holders (22cr and 25cr)
  • Manufactured to ISO4126 or ASME VIII (UD stamp available)
  • Available with or without process side liner
  • Available in a wide range of materials
  • Tested to a million life cycles
  • Non-fragmenting bursting disc design
  • Full vacuum capability without additional vacuum support
  • Suitable for liquid, gas and vapour applications
  • Withstands high levels of back pressure
  • Best Free Flow Area capability irrelevant of process conditions
  • Smooth surface finish
  • Compatible with reusable detection systems Flo-Tel™ and Flo-Tel™ xd up to 140°c
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Technical specification​
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Size Range
Burst Pressure Range
Temperature Range
Max. Operating pressure
Fragmentation on Burst  
Relief Valve Isolation
Vacuum Service
Fluid Compatibility
KR Values
Torque Sensitive
Cycle Life
Material Range
Reversal Ratio
Damage Ratio
Leak Tightness
Performance Tolerance
Protective Linings
​Disc Surface finish
Liquid,50mm to 600mm (2” to 24”)
0.9 BarG to 60 BarG (13 PsiG to 870 PsiG)
140°C when used in conjunction with Flo-Tel™ detection
95% of minimum burst pressure (92% of nominal burst pressure)
None fragmenting design
Excellent
Full Vacuum
Liquid, Gas or Vapour
N/A
No
100,000 pressure vacuum cycles*
Full range for disc suitable with CR 25 Duplex Holder only
N/A with offset tag + system-loc
<1 Fail Safe
Excellent
+/- 3% (zero manufacturing design range)
Available on vent side
N/A

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    ​REVERSE ACTING- OPTI-GARD™ HIGH STRENGTH MAGNET (DSC-OPM) - request for further information

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Company Address

Dirchsen Process Equipment Aps
Lejrvej 25
3500 Vaerløse
Tlf.: +45 7070 2823
Mail.: info(a)dirchsen.com

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