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Vent (submarine) The vents of the Redoutable are under the casing. The square openings in the casing are limber holes to facilitate draining the superstructure. In submarine technology a vent is a valve fitted to the top of a submarine 's ballast tanks to let air escape from the top of the ballast tank and be replaced by water entering through ...
Subsea valves are used to isolate or control the flow of material through an undersea pipeline (submarine pipeline) or other apparatus.Most commonly used to transport oil and gas, they are designed to function in a sub-marine environment, withstanding the effects of raised external pressure, salt-water corrosion, and bubbles or debris in the material carried.
The Submarine Safety Program ( SUBSAFE) is a quality assurance program of the United States Navy designed to maintain the safety of its submarine fleet, specifically, to provide maximum reasonable assurance that submarine hulls will stay watertight, and that they can recover from unanticipated flooding. SUBSAFE covers all systems exposed to sea ...
4 × 21 in (533 mm) torpedo tubes 12 × vertical launch Tomahawk missiles. USS Hartford (SSN-768), a Los Angeles -class submarine, is the second ship of the Navy to be named for Hartford, Connecticut. The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut on 30 June 1988 and ...
Saddle tank (submarine) The German submarine U-995 at the German Navy memorial at Laboe, showing the starboard saddle tank as the elongated bulge along the side of the submarine. Saddle tanks are a type of ballast tank configuration fitted to submarines . Saddle tanks are fitted in pairs external to the pressure hull, one on each side, in a ...
Submarines in the United States Navy. There are three major types of submarines in the United States Navy: ballistic missile submarines, attack submarines, and cruise missile submarines. All submarines currently in the U.S. Navy are nuclear-powered. Ballistic missile submarines have a single strategic mission of carrying nuclear submarine ...
First nuclear submarine; hull design enlarged from fleet boat Seawolf: 1 7 December 1953 30 March 1957 Unique submarine; liquid metal cooled S2G reactor (replaced with a pressurized-water reactor in 1959) Skate: 4 USS Skate (SSN-578) 21 July 1955 USS Seadragon (SSN-584) 5 December 1959 Skipjack: 6 USS Skipjack (SSN-585) 29 May 1956
Tilting-disc inconel check valve Check valve symbol on piping and instrumentation diagrams. The arrow shows the flow direction. Vertical lift check valve. A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1]