Psa xs scuba 108's hydro failure

[Randall]

Hey so I am not sure where I should post this so ill leave it here. For what its worth I just had a customer have two 108 XS Scuba cylinders fail hydro. I normally would not think much of it but the SN's were very close together 4110031, 4110018 both born in 2009. Tanks show absolutely no signs of abuse or corrosion. They failed in the middle of 20 tanks being tested, Tanks on both sides of these were given a + at the hydro facility. Its probably nothing but i thought I'd let people know, it seemed really odd.

[Randall]

Also they were doubled up.

[Draker]

Which hydro facility? XS scuba tanks are typically worthington and I believe there is a special process to correctly and properly these steel tanks.
Not every hydro facility will be aware and it?s entirely possible the tanks are fine.
It?s probably too late, but I?d want a second opinion. And would suggest anyone with Worthington steel cylinders discuss this with their Hydro facility ahead of time.

And if I?m wrong, someone will come along shortly to correct me.

And to settle any debate, I?d contact Hydro Dave at Advanced Hydrotest as the expert.


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[rddvet]

I would highly question the validity of the hydro facility's test. Is it a place that mainly does tanks or is it a fire extinguisher shop that also does dive tanks. If it's a fire extinguisher shop then I bet they didn't follow appropriate procedures like Draker said. There is a well known history of PST and worthington tanks being failed by fire extinguisher shops because they weren't aware of the special notices. For instance I believe some worthington tanks have to bre "pre-strecthed" at the time of hydro prior to the full hydro test. It's why I'll only let Hydro Dave do my tanks. I'm lucky enough that its only an hour drive.

[FW]

Which hydro facility? XS scuba tanks are typically worthington and I believe there is a special process to correctly and properly these steel tanks.
Not every hydro facility will be aware and it?s entirely possible the tanks are fine.
It?s probably too late, but I?d want a second opinion. And would suggest anyone with Worthington steel cylinders discuss this with their Hydro facility ahead of time.

And if I?m wrong, someone will come along shortly to correct me.

And to settle any debate, I?d contact Hydro Dave at Advanced Hydrotest as the expert.


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I totally agree. I had some Worthingtons fail hydro locally. I sent them to Hydro Dave, and he said they were fine.

[Randall]

Its the facility that does all of the tanks for my dive shop. They do primarily do fire extinguishers. I will check with them on their procedures. Unfortunately we are hosed in the middle of Nebraska. Thanks for the input guys.

[rddvet]

I totally agree. I had some Worthingtons fail hydro locally. I sent them to Hydro Dave, and he said they were fine.

You?re lucky they didnt xxx them out before you got to take them to Dave.


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[rddvet]

Its the facility that does all of the tanks for my dive shop. They do primarily do fire extinguishers. I will check with them on their procedures. Unfortunately we are hosed in the middle of Nebraska. Thanks for the input guys.

If they havent xxx?d them out I would take them somewhere else.


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[macado]

I can't speak for Worthington but PST DOT-E9791 hot dipped galvanized tanks have a special round-out procedure for hydro. I usually tape this to the cylinders in question when I drop them off at hydro.

http://www.hydro-test.com/files/RESi...1-Bulletin.pdf
http://www.ctcseminars.com/Files/Tec...tin%20D100.pdf

[FW]

You?re lucky they didnt xxx them out before you got to take them to Dave.


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Yes! However I didn't leave them, I stood there while they tested them