[PSUBS-MAILIST] Pressure Chamber

[Alan James via Personal_Submersibles]

Thanks James,it looks good. Contains no solvents.I just looked it up & they sell it down here. 
Alan
 

      From: James Frankland via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Friday, December 18, 2015 11:02 PM
 Subject: Re: [PSUBS-MAILIST] Pressure Chamber
   
I fill my variable tank with liquid fluid film after dives which I am hoping is preventing the tank from rusting.   Its lanolin which is completely natural so can be pumped out into the sea next dive. http://www.fluid-film.com/ regardsJames  
On 18 December 2015 at 07:44, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Thanks Steve,that's not a bad idea regarding the liner.I'll head off to the plastics store with a tape measure.Cheers Alan
 

      From: Stephen Fordyce via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Friday, December 18, 2015 7:57 PM
 Subject: Re: [PSUBS-MAILIST] Pressure Chamber
  
Hi Alan,I leave water in mine permanently, but it's stainless so not such a big deal.  If you put additives in, you'll also have to make sure they're compatible with all the stuff you're going to put in it (ie. acrylic, seal material, etc.), I reckon that's probably more important that the unlikely chance of spontaneous explosions.
Alternatively, what if you made a kind of liner that could be filled with water and save the water contacting the pressure-containing walls?  Could be as simple as putting a plastic container inside, or a welded stainless steel tube with end disc.
Cheers,Steve
On Fri, Dec 18, 2015 at 3:10 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Sending this again as I didn't receive it. Hank, (or anyone)do you add an anti-rust solution to your water in your pressure test chamber?I was thinking of putting something like anti-freeze in the water in the test chamber& leaving the fluid in the test chamber permanently.I have heard that the gas given off by some liquids can be explosive under pressure.I think this would be rare, but if there is something safe I could add that you know ofit would be appreciated.Alan
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