Defence

Porvair Filtration Group delivers a specialised portfolio of engineered filtration and separation solutions that support military nuclear defence applications.

Our technologies are designed to maintain the safety, efficiency, and reliability of critical nuclear operations, performing effectively in extreme environments.

Across the submarine fleet, as well as in speciality weapon production, our filtration products ensure systems remain free from contaminants, supporting safety, long service life, operational reliability, and cost-effective performance even in the most demanding scenarios.

Porvair operates purpose-built design, manufacturing, and testing facilities in both the UK and the USA dedicated to our nuclear product range.

Custom‑Engineered Solutions for Complex Applications

Every nuclear operation is unique, and our engineering teams collaborate closely with customers to design fit‑for‑purpose solutions as well as standard offerings where applicable, from single retrofit elements to complete containment and filtration packages.

All systems are designed to meet stringent material, code, and technical requirements across a wide range of nuclear sectors including fuel processing, reprocessing, decontamination, decommissioning, waste handling, fusion and defence.