[PSUBS-MAILIST] Wanted: Aluminum I-beam

Tue Jul 10 22:48:07 EDT 2018

Hugh,
I had mine made up by Jonel hydraulics. I think you may have even
recommended them.
I just walked in the door & they designed it on the spot. Had it done
& tested to 3000psi in no time.
I am guessing it's for the guys at Oraki!
Cheers Alan

Sent from my iPad

> On 11/07/2018, at 1:16 PM, Hugh Fulton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Hi Cliff,
> I know. You are so sensible but this is NZ.  There are no parts in stock and the freight alone on a one off for the flange would cost a small fortune.  We have looked all over and the closest we can do is one Sched 160 endcap which would need remachining inside.  Class 900 RTJ flange was $650 class 1500 RTJ was $1500 but nothing else in NZ.  The weight of an RTJ blank would be about 200 kg at a guess and trying to get reuse out of the joint ring would be a hassle.  We could machine the flanges and put an O’ring in which would get around that issue.  Because our Female prime minister caught Mad Cow Disease the oil exploration has ceased and Shell are firing all the kiwis all round the world in retaliation.  SGS will still charge 1500 for a certificate on design and another 1000 for witnessing welding and pressure test.   You can see what drives me crazy about this country.  Cheers,  Hugh
>  
> From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of Cliff Redus via Personal_Submersibles
> Sent: Wednesday, 11 July 2018 10:59 AM
> To: Personal Submersibles General Discussion
> Subject: Re: [PSUBS-MAILIST] Wanted: Aluminum I-beam
>  
> Hugh can you send a larger drawing.  I can not see any detail in drawing.
>  
> There has been a lot of work done by ASME for  using standard pipe components. I like your first plan.  Yes they are heavy with flanges and bolts but all the parts are off the shelf and there is not an issue of the design being sound in holding pressure.
>  
> Cliff
>  
> On Tue, Jul 10, 2018 at 5:02 PM, Hugh Fulton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>  
> Hi All,  Need some input.   Pressure test rigs.
> Looking for ideas for a 1000 meter depth test vessel for ROV’s.
> I have done a basic design using 12” Sched 120 but by the time it is design approved etc it is getting up to USD $5,000 plus.
> Initial design was for a quick release 8 lug twist lock.  As I looked at using Flanges and bolts but the weight gets a bit horiffic with the flange studs and nuts coming to over $600  without the cost of the flanges.
> A 24 inch test vessel would be better but 12 inch would suffice for now.  The concept drawing is as below.  Cheers,  Hugh
>  
> <image001.jpg>
> 
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