Inflatable salvage Flotation systems Part Number: IRN-NUR-ISF This Technology’s enclosed salvage bags can be used for the salvage of vehicles that have fallen into the water. The enclosed flotation bags can also be used for the installation of pipelines in water and at sea. In addition, there are numerous emergency situations where enclosed flotation bags can be used; lying, standing, inside or outside the construction of a ship, vehicle or other object.