main ballast vent valve

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• Vent (submarine) — A vent is a valve fitted to the top of a submarine s ballast tanks for the purposes of allowing the escape of air.The vent allows air contained in the tank to escape from the top of the ballast tank and be replaced by water entering through the… …   Wikipedia

• Ballast tank — A ballast tank is a compartment within a boat or ship, that holds water. A vessel may have a single ballast tank near its center or multiple ballast tanks typically on either side. A large vessel typically will have several ballast tanks… …   Wikipedia

• Kingston valve — A Kingston valve is a type of valve fitted in the bottom of a ship s fuel, water and ballast tanks. Named after its inventor John Kingston (1786 1847)an English engineer. [ Building the Steam Navy: Dockyards, Technology and the Creation of the… …   Wikipedia

• R101 — infobox Aircraft name = R101 type = Airship manufacturer = Royal Airship Works caption = designer = V.C. Richmond first flight = 4 October 1930Clarifyme|date=June 2008 introduction = retired = status = primary user = more users = produced =… …   Wikipedia

• Soviet submarine K-19 — This article is about the Soviet submarine K 19. For the 2002 film dramatization of events involving the submarine, see K 19: The Widowmaker. For other uses, see K 19 (disambiguation). Not to be confused with Soviet submarine K 219. Career (USSR) …   Wikipedia

• USS Menhaden (SS-377) — USS Menhaden (SS 377), a Balao class submarine, was the first submarine and second ship of the United States Navy to be named for the menhaden, a marine fish of the herring family which, as the most abundant of fishes along the Atlantic coast, is …   Wikipedia

• Carburetor — Bendix Technico (Stromberg) 1 barrel downdraft carburetor model BXUV 3, with nomenclature A carburetor (American spelling), carburettor, or carburetter (Commonwealth spelling) is a device that blends air and fuel for an internal combustion engine …   Wikipedia

• fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …   Universalium

• Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• HMS Affray (P421) — HMS Affray (P421), a British Amphion class submarine was the last Royal Navy submarine to be lost at sea, on 16 April 1951, with the loss of 75 lives. All vessels of her class were given names beginning with the letter A; she was the only ship of …   Wikipedia