O2 Cleaning Equipment

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briscoe - 28 Apr 2006 16:00 GMT

Greetings, I'm new to the Scuba Monster site. As a rule I do not join such
groups because there are usually some members who are slightly left of "plum"
who tent to get off track and see how many buttons they can push; but I
figured I would give it a shot and see how things turn out. Quick background:
been diving for about 9 years and have certification from Open Diver to Cave
Certification to include Advanced Nitrox, Deep, Dry Suit, Blender, Rescue,
blah blah blah. My first certification was PADI but all subsequent
certifications (except the Dry Suit) have been through IANTD. My main rig is
all OMS but I have other brands as well like Dacar, Sherwood “aaaahhhh… more
blah blah blah”. I am currently in Iraq serving the last few months of my
current sentence. OK, enough of the stuff nobody cares about; here is my
question. I am looking for a manufacturer of a SCUBA Cylinder Tumbling
machine (as well as the cleanign beads) so i can clean my own tanks. I have
several cylinders and it cost me a small fortune every year to have them
cleaned. Depending on where I am I have paid anywhere from $250.00 to $500.
00 to have all my tanks inspected and cleaned. I am certified to clean my
own tanks (inspection certification is next when I get back Stateside) but I
do not have the equipment to properly clean it and am having a hard time
finding pertinent data on the internet on where I can make the purcashe (when
I get the chance to get on the internet).

Any information would be appreciated.

Thanks
Steve

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Cpt. Dale Bennett - 28 Apr 2006 21:23 GMT

> I am looking for a manufacturer of a SCUBA Cylinder Tumbling
> machine (as well as the cleanign beads) so i can clean my own tanks. I
[quoted text clipped - 10 lines]
> (when
> I get the chance to get on the internet).

You can get a tumbling machine from Global Manufacturing in Milwaukee. I
would recommend ceramic media for rust removal. For O2 cleaning glass beads
are used. You can get the cleaning media, detergent, rust inhibitor wash
and all the rest from Global or from Trident on the left coast. If you want
to save money, you can make your own tumbler. It is not all that hard and
the design is not critical. Ceramic media is also available from industrial
suppliers, such as McMaster Carr.

Safe diving
Capt. Dale

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Scott - 18 May 2006 20:48 GMT

> Greetings, I'm new to the Scuba Monster site. As a rule I do not join such
> groups because there are usually some members who are slightly left of "plum"
[quoted text clipped - 5 lines]
> certifications (except the Dry Suit) have been through IANTD. My main rig is
> all OMS but I have other brands as well like Dacar, Sherwood "aaaahhhh.

> blah blah blah". I am currently in Iraq serving the last few months of my
> current sentence. OK, enough of the stuff nobody cares about; here is my
[quoted text clipped - 9 lines]
>
> Any information would be appreciated.

Here is how the Navy calls it out; http://www.supsalv.org/pdf/1330D.pdf

For media:
http://www1.mscdirect.com/CGI/NNPDFF?PMPAGE=941&PMT4NO=7783951&PMT4TP=*ITPD&
PMITEM=09117466&PMCTLG=00

The angle-cut cylinders work best, but can be a little troublesome getting
back out of the neck.

The important thing is to keep a good soap in the mix with the media and
water so as to float the "swarf" rather than let it get compacted into the
pores of the media, thereby making the cutting action almost non-existant.
Believe it or not, dishwasher detergent of almost any kind works very well.

Also, you will want to keep media used for steel and aluminum tanks
seperated. What will happen is the aluminum that gets embedded into the
media will be released when the media is used in a steel tank, and
vise-versa.

We use dishwasher detergent, and then follow that with simple green and then
a lot of hot water. Steel tanks will flash rust almost instantly, so you
have to treat them with an antirust chemical, such as the stuff sold by OMS:
http://www.omsdive.com/corrostp.html

Here is the motor we use;
http://www1.mscdirect.com/CGI/NNSRIT?PMAKA=35371723&PMCTLG=00

Use these for idlers, and make a bushing to use one wheel as the driver;
http://www1.mscdirect.com/CGI/NNSRIT?PMPXNO=1675051&PMT4NO=0

Use your imagination to figure out the rest.

Good luck, and let us know when you are home safe.

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