
Corrosion-Resistant Fittings & Valves Engineered for Harsh Sea Environments
Marine & Offshore Solutions
Built to Brave the Sea
Marine and offshore environments expose flow control systems to some of the world's harshest conditions: salt spray, vibration, humidity, and corrosive fuels. From naval defense ships to cargo vessels and offshore platforms, OM Tubes manufactures marine-grade fittings and valves using tested metallurgy, precision CNC machining, and global certifications for performance at sea.

Key Applications in Marine & Offshore Systems
Ballast Water Systems
Corrosion-resistant valves and fittings for seawater filtration
Engine Room Instrumentation
Vibration-resistant fittings for fuel, lube, and steam systems
Deck & Winch Hydraulics
SAE flareless and NPT-threaded fittings for mobile deck control
Offshore Platform Piping
Double ferrule and tube-to-pipe systems with NORSOK & ASTM compliance
Fuel Oil Handling Skids
Leak-free fuel injection fittings, resistant to sulfur and moisture
Naval Vessel Cooling Lines
904L and Duplex fittings for closed-loop seawater-cooled equipment
Why Shipbuilders & Marine OEMs Choose OM Tubes

- Marine:Grade SS 316L, 904L, Duplex, Monel 400, Cu-Ni 90/10
- Salt spray and NORSOK: Tested for offshore compliance
- Compact: Fittings designed to withstand shipboard vibration and shock
- PED: Approved, ISO-certified, and compliant with ASTM F1387 / MSS-SP-99
- Available with: Hydrostatic testing, oxygen-cleaned, or passivated finishes
- In-house forging + CNC: Customized solutions for engine OEMs and yards
Certifications & Standards






Specialized Product Solutions
Duplex/904L Ferrule Fittings
Seawater-cooled hydraulic systems on naval decks
Fuel Line Connectors
For diesel injector manifolds and transfer systems
SAE Flareless Fittings
Mobile deck equipment and hydraulic actuators
Cu-Ni Instrumentation Tubing
Naval chilled water & closed-loop seawater piping
Marine Ball Valves
Compact, corrosion-resistant valves with PTFE/Viton seals