making a scuba tank

[@neilhaines05]

As a test station manager in Australia, that video was very enjoyable. Thanks guys

[@kermit30au]

Its very interesting to see them test them. They use water for testing for the main reason if the vessel would rupture the compressed air/gass would be very dangerous and expand and cause a exposion. With water the breach just makes a poping sound and simply leaks out of the rupture with like no pressure behind it. The pressurising unit also shuts down quickly once it happens.

[@azjustaz]

Very interesting. But some comments on the hydrostatic testing are slightly off. They use water in the tank because water is incompressible. They fill the tank with water and apply 5/3 the maximum working pressure (around 250bar if I remember correctly, so about 420bar) The tank flexes out with the pressure and when pressure is relieved the tank must return to within acceptable proximity of it's original volume. If it does not it is deemed not safe enough for use and removed from circulation.

[@divetraveltrain]

This is very cool. This process just amazes me each time. Now for steel tanks!

[@WeBeYachting]

Nice video, thumbs up from us and cheers from sunny IGY Simpson Bay Marina, Sint Maarten in the Caribbean.

[@riparianlife97701]

I'm going to have to watch this again when I'm not so tired so I understand hyrdostatic testing.

[@mrfester42]

@themightyharrison It actually does corrode and that white powder is the equivalent of rust on steel. Modern aluminum tanks are lined. Bring yours to a SCUBA shop to be inspected. No SCUBA shop will actually fill it unless it has a valid, up to date inspectrion sticker anyway.

[@crasyandconfused]

Hey. Technically the tank can still be put into use so long as it passed hydrostatic and visual testing. Unpainted eh? Somehow I doubt it'll pass..but it might. However there is an issue with tanks prior to '89 that could be made out of an alloy that has seemingly randomly exploded despite passing regular testing.

[@brownskidmarks]

great video!! now i understand why tanks cost so much..

[@soccom8341576]

this is an interesting process. Can you hold more breathing gas with an aluminum or steel tank, given that both tanks are the same in volume?

[@1morejump]

That's actually pretty cool!

[@masluxx]

very cool video, thank you for posting.

[@dbuschhorn]

@singful Aluminum :) In this video, they show one tank being made, but the machine that does the grinding may be making 50 at a time. I'd like to see the tanks anodized, but the natural crazing that may occur might appear to be cracks to a visual inspection.

[@billleeboy]

Here i thought the plant i work at making these is interesting!This is cool!Wonna hire me?

[@WilliamDrumm]

That was really cool!

[@hotmercedes]

@themightyharrison It is best to store the tanks with air in them. I would never use a tank that old. Remember SCUBA gear is life support. Spend the $200 bucks on a new tank. One from the 60's will have the wrong valve on top anyway.

[@5kcsqt]

Awesome video!

[@TheLightningStalker]

Awesome vid.

[@Platon7]

Nice video !

[@DirtbikesandDiving]

Very interesting, thanks for sharing

[@supersquam]

perfect for my project!! thanks

[@MidnightMarrow]

Could probably make your own but it would take alot longer and wouldn't be near as good as those...

[@LloydClearihan]

Thanks for uploading!

[@Kingzoid]

Usually it is steel. I have more details and a reference if you want to know. Don't get me wrong, aluminum is a fantastic metal. Wonderfully light.

[@cyrex686]

4:37 That is the POS tap they use to cut the threads?!?! Also, they cut the threads instead of forming them?!?! WTF

[@pariscavernicola]

Nice¡¡¡

[@nemodivermalaysia]

How to buy?

[@Fentanyl3]

@singful NO, they are made from AL .

[@tumadoireacht]

the tanks are probably going to fail the vital hydro test or an inspection of the corroded tank valve threads. weigh the cost of testing against new tank purchase..........beheaded old tanks make a nice umbrella stand !

[@VinceM51]

while my girlfriends out at university studying law, i'm here watching how a scuba tank is made -__-

[@andygray]

A brand new 80 cubic foot aluminum costs about USD$170.

[@divebyjerry1066]

nicee!!

[@Quiznite]

1.38 What the heckis an independant EXPECTOR !!!! doe's she mean inspector

[@snoopy22560]

@jamesptile thats beacuse we speak proper english lol

[@callmebigpapa]

@CheckThisOutFoo ..................... Air is a gas, Unless that has changed since the 5th grade.

[@XShotGuyX]

@singful they are made out of Aluminum not steel and Aluminum isn't cheaper than steel

[@a2m4m60]

Supply and demand.... HIgher supply than demand forcing the price down.

[@captdouche77]

@themightyharrison Get a Hydro done. Do a visual with a small light (enough to fit inside the cylinder) and a retractable mirror. Look inside for pitting and corrosion, look carefully. Remove the boot and inspect the bottom of the tank as well. You're best to have someone else do this, mainly because you're required to have an inspectors number issued by PSI in order for the tanks to even pass a yearly visual. I would guess the tank any good but who knows. Don't listen to the crackhead 'sinful'.

[@rudeyjude]

Did you pinch this off PADI? I'm sure I remember this woman's voice! teeheeeeeheheheee!

[@lagirafebelge]

wow ...

[@Slugsie1]

Nope, these are aluminium, didn't' you watch the vid? Or read the description?

[@Momcha2114]

My tank is number 194

[@SleepEat3D]

@chaostroll1267 , Didnt make any sence that pal , thats different words you say different , wich is dumb but totally different kettle of fish , you physically as americans say a word totally wrong aluminum does not exsist Aliminum on the other hand does dont hate , just apreciate

[@jjash5848]

Let's see.....watch Miley tongue flapping or watch awesome vids that educate me. Bye Miley!!!

[@MrDiveDave]

@singful Please.... just give up.

[@snoopy22560]

i hate the way she says aluminium