[PSUBS-MAILIST] 12'' Pipe coupling

Thu Mar 19 14:31:07 EDT 2015

Thanks Glen, my postings used to always come back to me when it is sent out
to the group but it isn't doing that anymore plus I didn't receive any
responses so was just curious.

Thanks

Rick

On Thu, Mar 19, 2015 at 7:26 AM, glen brown via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi Rick got your message in South Africa.
> Regards Glen
>
> On Thu, Mar 19, 2015 at 7:20 PM, Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> I have posted a couple of messages over the last few weeks and it doesn't
>> seem to go threw. Not sure if this will either. I tried sending Jon an
>> email at jonw at psubs.org and it came back. Let me know if anyone gets
>> this.
>>
>> Rick
>>
>> On Thu, Mar 19, 2015 at 12:38 AM, glen brown via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>> Thanks James
>>> You got me thinking ,maybe a sleeve with 4 o rings that can just slide
>>> over with something that can keep it in position.
>>>
>>> Glen
>>>
>>> On Thu, Mar 19, 2015 at 11:47 AM, James Frankland via
>>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>
>>>> Hi Glen,
>>>> I think it looks like a good idea.  A bit of extra security on the
>>>> seal.  I cocked up making that seal as per the plans so did mine a
>>>> different way.  However, I was never keen on the original design anyway.  I
>>>> believe George had at least one battery pod flood at some point.
>>>>
>>>> You could even maybe make your own version of that coupling.  A ring of
>>>> rubber say 2" wide covering the joint with a suitably made stainless ring
>>>> cramped over it.  Would be easy to make.  You could even maybe use a piece
>>>> of rubber cut from an old inner tube and stretched over.  Not very
>>>> sophisticated but would probably work and cheaper?  Also there wouldn't be
>>>> anywhere for water to collect and there would be no metal contact to rub
>>>> your paint off.  Just a thought.
>>>>
>>>> Kind Regards
>>>> James
>>>>
>>>>
>>>>
>>>> On 19 March 2015 at 09:30, Alan James via Personal_Submersibles <
>>>> personal_submersibles at psubs.org> wrote:
>>>>
>>>>> That's OK, sorry I wasn't much help.
>>>>> I have book marked this site
>>>>>
>>>>> http://prevco.com/products/subsea-housings/seal-configuration/single-face-seal
>>>>> They are experts in sealing underwater housings. There are several
>>>>> examples
>>>>> of sealing methods, & their pros & cons are discussed.
>>>>> Alan
>>>>>
>>>>>   ------------------------------
>>>>>  *From:* glen brown via Personal_Submersibles <
>>>>> personal_submersibles at psubs.org>
>>>>> *To:* Personal Submersibles General Discussion <
>>>>> personal_submersibles at psubs.org>
>>>>> *Sent:* Thursday, March 19, 2015 9:04 PM
>>>>>
>>>>> *Subject:* Re: [PSUBS-MAILIST] 12'' Pipe coupling
>>>>>
>>>>> thanks for the input Alan
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Mar 18, 2015 at 9:52 PM, glen brown <gbrown091 at gmail.com>
>>>>> wrote:
>>>>>
>>>>> I think they would work better externally Alan the wet switches are a
>>>>> must ,but I must admit the pod seal arrangement gives me sleepless
>>>>> nights.I have also just cut my CT off and re mated the hatch and re
>>>>> cut the o ring groove to hold a 9 mm od o ring. Maybe I am getting a bit
>>>>> paranoid. As to the cricket looking good, do the Americans actually play
>>>>> unprotected sport?
>>>>>
>>>>> On Wed, Mar 18, 2015 at 9:24 PM, Alan James via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org> wrote:
>>>>>
>>>>> Another thought Glen,
>>>>> those seals for pipes would be designed for internal pressure.
>>>>> Are they OK for external also?
>>>>> Alan
>>>>>
>>>>>
>>>>>   ------------------------------
>>>>>  *From:* glen brown via Personal_Submersibles <
>>>>> personal_submersibles at psubs.org>
>>>>> *To:* Personal Submersibles General Discussion <
>>>>> personal_submersibles at psubs.org>
>>>>> *Sent:* Thursday, March 19, 2015 7:40 AM
>>>>> *Subject:* Re: [PSUBS-MAILIST] 12'' Pipe coupling
>>>>>
>>>>> Alan
>>>>> Its 316 ss ,I was thinking of assembling with grease there is more
>>>>> than enough space to fit it ,you get some of the fittings with triple
>>>>> seals up to 2000 psi
>>>>> Glen.
>>>>>
>>>>>
>>>>> On Wed, Mar 18, 2015 at 8:13 PM, Alan James via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org> wrote:
>>>>>
>>>>>
>>>>>
>>>>> Glen,
>>>>> as long as salt water doesn't sit in it after a dive
>>>>> & cause corrosion. ( I suspect it must) Or clamping it on doesn't
>>>>> wear in to your paint work & expose the metal
>>>>> also to corrosion.
>>>>> Alan
>>>>>
>>>>>
>>>>>   ------------------------------
>>>>>  *From:* glen brown via Personal_Submersibles <
>>>>> personal_submersibles at psubs.org>
>>>>> *To:* Personal Submersibles General Discussion <
>>>>> personal_submersibles at psubs.org>
>>>>> *Sent:* Thursday, March 19, 2015 6:58 AM
>>>>> *Subject:* [PSUBS-MAILIST] 12'' Pipe coupling
>>>>>
>>>>> I am planing on as an "extra safety" for my K350 B pods end caps
>>>>> ,covering the join between the end caps and the pod with a hp pipe join
>>>>> coupling.
>>>>>
>>>>> Any comments most welcome.
>>>>>  Glen
>>>>>
>>>>>
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