[Vwdiesel] Salty valves

gary gbangs at cfl.rr.com
Mon Jun 21 23:05:31 EDT 2004

The Soviets weren't the only ones to use/experiment with sodium as a
cooling medium (wink, wink)

The USS Seawolf SSN-575 had a sodium cooled reactor for two years before
they decided sodium in a water based environment wasn't a good idea.


On Mon, 2004-06-21 at 21:24, Dennis Pantazis wrote:
> iirc: sodium valves have SODIUM cores, not table salt.
> sodium's melting point is about 208 deg F.
> melting point for salt, (generic NaCl) is about 1500 deg F. if your valves
> are 1500 deg hot, you will have other problems.....
> aside: sodium was uses as the 'coolant' in soviet reactors, both land based
> and ship based. there were many instances of problems (read: failures) due
> to this system. for those old enough (not me) they lost ??? subs and sailors
> to these failures. sodium is also VERY reactive with water, at times
> explosive because the reaction is so violent!
> dennis
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