[PSUBS-MAILIST] 12'' Pipe coupling

[glen brown via Personal_Submersibles]

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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