[PSUBS-MAILIST] Fw: Gamma

Sun Mar 12 13:49:36 EDT 2017

Not all detergents are the same in this regard. You need something with a high affinity for hydrocarbons which is residue free. Simple green and formula 409 are mentioned in the Oxygen Hacker's Companion, but I always use orange TKO. I use vinegar on regulator and valve parts to remove corrosion, and will scrub these after the vinegar soak, and then wash them with an orange TKO solution as the next step before rinsing with distilled or filtered water. Cylinders just get a hot orange TKO solution wash, followed by a clean water rinse.

I wouldn't use solvents for cleaning lines for oxygen service, although you can if you subsequently flush the lines to remove all traces of the solvent afterwards. A quick detergent solution flush, followed by a clean water rinse, followed by blowing out with clean dry air or nitrogen should suffice. I like to pull vacuum on everything I put together to ensure that any remaining water or volatiles are evaporated, but that may not be practical for everyone.

Note also that I only ever bother with this for 100 % oxygen service at high pressures. Most of the time, I assemble tubing and fittings as delivered, blow it out once with nitrogen to remove any loose particles, and call it a day.

Sean

On March 11, 2017 11:50:54 AM MST, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Rick,           I haven't, but my understanding is that just soap and
>water is sufficient.  Using a dish washing liquid. 
>
> 
>
>Brian
>
>--- personal_submersibles at psubs.org wrote:
>
>From: Rick Patton via Personal_Submersibles
><personal_submersibles at psubs.org>
>To: Personal Submersibles General Discussion
><personal_submersibles at psubs.org>
>Subject: Re: [PSUBS-MAILIST] Fw: Gamma
>Date: Sat, 11 Mar 2017 08:09:48 -1000
>
>has anyone 02 cleaned the insides of tubes or fittings before using the
>solvent method?
>
>
>Rick
>
>
>On Sat, Mar 11, 2017 at 5:37 AM, Gregory Snyder via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>Indeed!!! Awesome boat!
>
>
>On Mar 11, 2017, at 7:19 AM, hank pronk via Personal_Submersibles
><personal_submersibles at psubs.org> wrote:
>
>Thanks' guys, I am pretty pleased with how Gamma has turned out.  I can
>not think of a single thing I want to do her now.  I have always had a
>diesel engine in mind but  that might have been a want, not a need.
>
>Hank
>
>
>
>On Friday, March 10, 2017 7:25 PM, Douglas Suhr via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
>
>Beautiful Hank! What a fine sub you've got there. ~ Doug S.
>
>
>On 3/10/17, Rick Patton via Personal_Submersibles
><personal_submersibles at psubs.org> wrote:
>> Lookin good Hank!
>>
>> Rick
>>
>> On Fri, Mar 10, 2017 at 1:58 PM, Alan via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>> Thanks Hank,
>>> I enjoy watching the videos. All the best for the ensuing dive &
>look
>>> forward
>>> to hearing the report.
>>> Alan
>>>
>>> Sent from my iPad
>>>
>>> On 11/03/2017, at 11:28 AM, hank pronk via Personal_Submersibles <
>>> personal_submersibles at psubs.org> wrote:
>>>
>>> New video of arm assembly on Gamma.
>>> Hank
>>>
>>>
>>> On Friday, March 10, 2017 3:27 PM, xxx xxxxx <mp13 at live.ca> wrote:
>>>
>>>
>>> https://www.youtube.com/watch?v=S9HGAFanbNE
>>> <Image 2017-03-10 at 3.27 PM.jpg>
>>>
>>>
>>> <Image 2017-03-10 at 3.27 PM.jpg>
>>>
>>> _______________________________________________
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>>>
>>
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