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Marine davit systems by Fairbanks Morse Defense for launch and recovery operations

OV Marine Relief Ball Valve

Leak-proof OV valve with shock resistance and compact design for marine applications.

 

OV Marine Relief Ball Valve

The OV Valve is a manually actuated, leak-proof valve designed for marine applications. Its floating ball provides bi-directional sealing, while a compact cartridge system ensures easy installation. Built for low and medium shock resistance, it withstands pressures up to DN 350 and temperatures from -35°C to 225°C. Available in NAB, Inconel, Titanium, Monel, and Stainless Steel, it is compatible with fresh water, seawater, fuel, and lubricating oil. Designed for reliability in demanding conditions, this valve offers long-lasting performance across naval and marine systems.

Tick   Floating ball ensures bi-directional sealing for leak prevention.

Tick   Compact cartridge system allows easy installation and maintenance.

Tick   Shock-resistant design enhances durability in marine environments.

Key features

TickBuilt for marine and naval systems
TickCompatible with fresh water, seawater, fuel, and oil
TickManual operation with handle, lever, or handwheel
TickFloating ball for bi-directional sealing
TickPre-compression OV seats prevent leakage
TickLow/medium shock resistance
TickCompact, easy-install cartridge system
TickPressure rating up to DN 350
TickTemperature range: -35°C to 225°C
TickNAB, Inconel, Titanium, Monel, Stainless Steel

Specifications

Fluid Types

Fresh Water

Sea Water

Fuel Oil

Lubricating Oil

Water

Liquid

Port Size (“)

1 to 13.5

Material

Nickel Aluminium Bronze (NAB)

Inconel

Titanium

Monel

Stainless Steel

Temperature Limits (°C)

-35 to 225

engine parts & service

Parts & Service

Fairbanks Morse Defense offers an extensive portfolio of services to optimize performance, ensure reliability, and extend the life of your fleet – from the day its commissioned and for the many years that follow. Learn more about what our custom solutions can do for you.

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Commercial Solutions

In addition to the defense industry, Fairbanks Morse Defense also works with the commercial industry. Our commercial customers can include municipal and nuclear power plants, hospitals, universities, and international stationary power applications.

Request our commercial published parts list

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