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World Class Filtration Solutions


We have been supplying high quality filtration solutions to the global nuclear industries since the 1980s. Working across the field, designing and supplying filtration and other equipment, we offer solutions to the power generation, fuel production, reprocessing, decontamination and decommissioning and waste packaging sectors.

As an engineering company in the filtration industry, we are able to take an initial discussion to a fully optimised solution, meeting material, code, technical  and quality requirements to provide a total solution to a specific problem.

We have the capability to provide everything from a single, specialised, retrofit element to a complete, packaged system to meet the precise needs of a complex application, together with on-site support and a complete after sales service. In addition to our acknowledged leadership in both engineering and quality, we also have the capability to offer the services of our extensive laboratory, development and testing facilities.

Our range of products includes:

  • Iodine traps/absorbers
  • Pulsed jet self-cleaning air and gas filtration systems
  • HEPA pre-filtration systems
  • Caesium capture protection
  • Waste package filter vent/breathers designed to meet filtration efficiency, hydrogen diffusion and pressure differential requirements
  • Demisters to take aerosols out of gas and air streams
  • A variety of other designed-for-purpose filtration and separation packages.

We can provide custom designed filtration solutions using a wide range of metallic and non-metallic filtration media. Also available are a range of media surface treatments to further enhance the chemical, temperature and solids abrasion resistance of the media within a particular application.



Nuclear Elements Porvair
Septa Nuclear Porvair
Nuclear Breather Porvair

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