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Old 08-07-2008, 10:25 PM   #10 (permalink)
Yomama101
Seasoned Member
 
Join Date: Dec 2006

Quote:
Originally Posted by HP_Lovecraft View Post
Anyway, avoid the 4oz tanks. They are not exempt from hydro because they are steel, and since they have not been on the market for almost 10 years, none would be legal to use. Also, you can not annodize them (if that interests you).

Bottles 2 inches in diameter or less, and less than 2 feet long DO NOT have to be tested.
"The 2 and 2 rule."

Requalification (HYDROTESTING) not required per the note under table 1 in 49CFR part 180.205. The note reads, "Any cylinder not exceeding two (2) inches in outside diameter and less than two (2) feet in length is exempt from volumetric expansion testing."
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