elfab bursting disc
​Domed Composite (DSC-DCD)

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.

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.

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ELFAB FORWARD ACTING- ​DOMED COMPOSITE (DSC-DCD)
Domed Composite is a forward acting rupture discand composite design to suit a wide range of customer applications and demanding process conditions. The Domed Composite (DCD) bursting disc acts as a non-fragmenting design with unique tri-membrane construction to provide improved protection and reliability for low to medium pressure applications

•  Up to 85% operating ratio
• Widest size range of any product type
•  Manufactured to ISO4126 or ASME VIII (UD stamp available)
• Available in a wide range of materials
• Non-fragmenting bursting disc design
• Full vacuum capability when manufactured with opening or non-opening vacuum support
•  Suitable for liquid, gas and vapour applications
• ​ Protective linings not available with this specific disc

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Technical specification​

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

25mm to 800mm (1” to 32”)
0.3 barg to 20 barg (5 Psig to 290 Psig)
See product downloads
85% of minimum burst pressure (81% of nominal burst pressure)
None fragmenting design
Good
Back Pressure Support Required
Liquid, Gas or Vapour
Not Available
No
Good
Stainless Steel as Standard. Others Available
<1 (Fail Safe) depending on back pressure support
<1 (Fail Safe)
Good
+/- 5% (zero manufacturing design range)
Pot Available
N/A

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