[PSUBS-MAILIST] testing chamber

[hank pronk via Personal_Submersibles]

Scott,A 2 foot dia chamber for 5,000 psi is a very big deal.  If you can get that dia down to 12 inches it would help you greatly.  Hank 

    On Monday, February 15, 2016 3:06 PM, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 Alan,

Do you have pictures of it? 

Thank you,
Scott Waters


>  -------Original Message-------
>  From: Alan James via Personal_Submersibles <personal_submersibles at psubs.org>
>  To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
>  Subject: Re: [PSUBS-MAILIST] testing chamber
>  Sent: Feb 15 '16 15:13
>  
>  Scott,
>  I just had one built for me by a hydraulics firm specializing in
>  hydraulics
>  repairs & rebuilds. It was tested to 3000psi & is 6" ID & 18" long.
>  It has a 1/2" bsp hole in the lid /cap & 1 down at the bottom in the
>  side.
>  I did specify 2 in the side but it works fine with 1.
>  Because I have a maximum of 3000psi I was able to go to the dive
>  store & get a hp whip with a purge button in it. The purge button is
>  good
>  for releasing the pressure prior to unbolting the cap. I found the cap
>  was a
>  tight fit inside the cylinder & you needed to unbolt the 12 bolts 1/2
>  an inch
>  & put a bit of pressure in to pop the cap out a bit.
>  The 1/2" bsp hole in the cap is so I can thread electrical penetrators
>  etc
>  in to it & test them.
>  It was suggested that I buy a plastic insert that fits closely inside
>  the cylinder
>  so I can fill this with water & avoid rusting out the inside.
>  At 3000psi components & gauges were easy to find, but you may have
>  trouble
>  at 5000psi.
>  Cheers Alan
>  
>  -------------------------
>  FROM: via Personal_Submersibles <personal_submersibles at psubs.org>
>  TO: personal_submersibles at psubs.org
>  SENT: Tuesday, February 16, 2016 8:49 AM
>  SUBJECT: [PSUBS-MAILIST] testing chamber
>  
>  I am planning on building a test chamber which I plan on using a lot
>  for the Pisces sub and would offer to anyone else needing parts
>  tested. It needs to be able to hold testing pressure to 5,000 psi and
>  I envision it to be roughly 2 foot diameter and 3 feet long or similar
>  size. Any suggestions on how to build this? I am trying to do
>  everything I can to keep the cost down on it.
>  
>  Thank you,
>  Scott Waters
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