Ship repair

Triad Bellows is a trusted manufacturer of metal expansion joints and exhaust bellows for the shipyard repair and shipbuilding industry, delivering durable, corrosion-resistant solutions designed to withstand the demanding conditions of marine environments and heavy fabrication work. Proudly made in the USA and engineered to meet ABS, ISO, and other marine classification standards, Triad’s products ensure flexibility, vibration isolation, and thermal movement control across critical shipboard and shore-side systems during new builds, retrofits, and overhaul projects.

Engine Room Exhaust Systems – Absorb thermal expansion and vibration in main and auxiliary engine exhaust piping.

Cooling Water and Seawater Systems – Provide corrosion-resistant flexibility in piping exposed to fluctuating temperatures and saltwater environments.

Fuel, Lube Oil, and Hydraulic Lines – Ensure leak-free, high-performance operation in fluid transfer systems on vessels and equipment skids.

Ballast and Bilge Piping – Accommodate movement and structural flexing in large-diameter hull piping systems.

Ventilation and HVAC Ducting – Manage thermal and structural movement in air handling systems throughout the vessel.

Deck and Bulkhead Penetrations – Allow for vibration isolation and misalignment in systems crossing structural barriers.

Shore-Side Service and Repair Equipment – Integrate into pump skids, hose towers, and dockside mechanical systems for vessel servicing.

Custom Marine Fabrication Support – Triad works directly with shipyards and marine engineers to design expansion joints tailored to ship-specific layouts and regulatory requirements.