IMI Truflo Marine

Over 60 years of naval marine excellence

Our high integrity valves, actuators, and pressure reducing stations are renowned for their reliability, even in the most demanding situations.



Custom hull valves by IMI Truflo Marine, tailored for a naval marine project, ensuring safety and functionality.

World leading solutions

Enhanced by decades of critical application expertise, our marine offerings benefit you significantly due to the world leading performance of our technology, . The state-of-the-art manufacturing facilities in the UK develop our core product ranges into innovative bespoke solutions, substantiated by more than 2 billion hours of proven-in-use data.

Naval Marine

With over 120,000 valves in service among 24 of the world’s naval fleets, we supply high quality valves for any submarine or surface vessel system. Our valves have the high flow capability and fast shut off that is crucial to all critical systems at sea.

Key Technologies

Hull valves

We have a range of high quality hull isolation valves, including both end entry and top entry solutions, in various sizes and materials. Our base range of hull valve bodies are machined from a forged billet using Aluminium Bronze for the best performance under testing conditions.

Key Technologies

Top entry ball valves

Our top entry ball valves have a proven history of service on submarines. We offer a range of materials to suit different applications, with interchangeable seat materials. Additionally, you’re provided with qualified pressure, life cycle, shock and seismic testing to your specifications.

Key Technologies

Hydraulic and pneumatic actuators

Our bespoke actuators are precision-engineered, dependable and corrosion resistant. We offer double acting and spring return models, which have proved their value in the most demanding environments. The range has been performance tested against extreme vibration and shock resistance.

Contact us
In the busy workshop of IMI Truflo Marine, a handsome man captivates onlookers as he expertly checks valve components with precision.

Your business, safe in our hands

Expect lifecycle support packages with fully enhanced material availability and expedited production, which means your most urgent requirements can be met. Our fully trained inhouse experts are available 24/7 to carry out onboard inspections and repairs.