sealing up a tank

1930artdeco

1930artdeco

Well-known member
Hello,

I just bought a 30 tank and was wondering about the best way to seal it up and keep moisture out? It is in pretty good shape for its age all things considered and where it was stored.

Thanks,

Mike
 
I'd run the wife's hair dryer in it for a couple hours to make sure it's dry. Then screw a brass plug in the outlet and tape fill hole. I'd install a gauge to seal that opening.
 
ModelA29 said:
I'd run the wife's hair dryer in it for a couple hours to make sure it's dry. Then screw a brass plug in the outlet and tape fill hole. I'd install a gauge to seal that opening.
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Be very careful using anything around a gas tank that “could” cause a spark.

Enjoy.
 
I am hoping he will chime in. The tank has been out of use for years (and it is just a spare) so not worried about fumes, just want to keep the rust formation as slow as possible.

Mike
 
if there is no rust, I would coat it with a thin oil


otherwise I would use Hirsch airplane sealer. I have used it in numerous cars with grat success.
I use a shop vac to dry out my tanks- blowing.....................duct tape the hose to the filler...........
 
The original poster said that it has been dry for years so that fumes are not a problem. However, if others are considering working on a tank that still has fumes with any chance of ignition, there are a couple of ways to minimize the risk. Oxygen is needed for combustion, so filling the tank with argon or carbon dioxide to displace ALL of the air will keep it from exploding. Dry ice is sometimes used to supply the carbon dioxide. Argon is heaver than air and will fill up the tank bottom up.
 
1930artdeco said:
The tank has been out of use for years (and it is just a spare) so not worried about fumes, just want to keep the rust formation as slow as possible.Mike
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I wouldn't trust it for no fumes, they can linger for many years, one can't smell them but they're there. Don't believe me? Put on your bomb disposal gear on and use a match on the end of a long stick.
 
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katy said:
I wouldn't trust it for no fumes, they can linger for many years, one can't smell them but they're there. Don't believe me? Put on your bomb disposal gear on and use a match on the end of a long stick.
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Even if you are not right... I agree with you! Caution at all costs!



a match could open it up for a closer inspection... of the hidden corners near and around baffles. :o



I looked up fuel fumes to air ratio for ignition. A noteworthy adjective accompanied the topic: violent!
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