Subsea Equipment

With over 90 years of industry expertise, Portobello-RMF specialises in the manufacture of high-quality subsea pressure vessels, such as submarine pressure hulls, HRC, TUP and DDC pressure equipment. All built to meet the stringent standards of ASME, PD5500, and Lloyds Register or DNV Class Society Rules.

Deliver Exceptional Results

Back to Pressure Equipment & Materials

We deliver precision-engineered solutions for a range of subsea applications, including:

Submarine Manufacturing: Rescue submarines, research submarines, tourist submarines, and unmanned submarines.
Pressure Vessels: HRC Vessels, DDC Vessels, TUP Vessels, Diving Bells.
Structural & Support Equipment: Connecting Trunkings, custom steelwork.

Portobello-RMF holds vast knowledge and experience in the subsea sector. As a worldwide leader in the manufacture of Submarine pressure hulls that undergo stringent compliance regulations, Portobello-RMF are a trusted and accredited manufacturer that holds the Lloyds Register Rules for Submersibles and Diving Systems Class 1 approval for subsea equipment manufacturing and welding.

Discuss your project requirements

If you have a project with bespoke requirements that you would like to discuss further, contact the team at Portobello-RMF - big or small, our capable team will apply their expertise to progress your project from design to finished products

+44 (0) 114 251 3092

[email protected]