

Our specialisms
Solutions for critical nuclear applications
We engineer the IMI NH valve technologies range for the extreme operating conditions you face in your nuclear energy facility. Our solutions provide you with excellent reliability, high integrity sealing and outstanding performance across your safety critical systems.Nuclear expertise
Valves for CANDU and other reactors, with ASME N and NPT stamps for verified Nuclear compliance.
High integrity isolation
Reliable isolation in high pressure, high radiation areas to support plant safety and system control.
Long term performance
Designed for long service life and minimal maintenance, even in the most extreme Nuclear conditions.
Safety and risk mitigation
All valves are leak tested and emission-free to meet strict safety and environmental regulations.
Find your optimal flow control solution
Bellows sealed globe valve

Three-piece ball valve


A rich history
A proven legacy in nuclear valves
We have built the IMI NH technologies range on over 60 years experience in delivering outstanding valve solutions for your nuclear energy facilities worldwide. By partnering with you, our engineers have developed a comprehensive portfolio of high integrity solutions capable of meeting your toughest safety demands, performance requirements and ensuring you comply with global nuclear industry regulations.
Customised solutions
Tailored to meet your application needs
Engineering experts at our technology centre can draw on their application and systems knowledge to develop bespoke solutions using the IMI product range to meet your application needs.