Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
Sea inlet valve in main ballast tank
Posted by: submarinehunt ()
Date: September 07, 2015 12:20PM

I am reading twenty million tons under the sea by Gallery.

He mentions that the ballast tanks have a compressed air valve at the top and a sea inlet valve at the bottom. I do not understand the purpose of the sea inlet valve. Shouldn't only the air valve at the top be necessary, since air remains at the top ? Thank you.

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Subject Written By Posted
Sea inlet valve in main ballast tank submarinehunt 09/07/2015 12:20PM
Re: Sea inlet valve in main ballast tank SnakeDoc 09/07/2015 03:32PM
Re: Sea inlet valve in main ballast tank submarinehunt 09/07/2015 07:56PM
Re: Sea inlet valve in main ballast tank SnakeDoc 09/08/2015 06:31AM


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