Thursday, February 26, 2009

DOT 4L Authorized Repairs?

“There is no fact which I fear or do not care to know”
- Thomas Jefferson

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If asked, “Is your service company authorized by the DOT to repair 4L cryogenic liquid cylinders?” would you say-

a) “Well of course they are. They wouldn’t be working on them if they weren’t.”
or
b) “We, at XYOGZ Welding Supply, personally verified them for high pressure cylinder repair so they are OK’d for DOT 4L vessel repairs, too.”
or
c) “Yes. They are and we know because they install their date stamped DOT ‘K’ tag on every vessel they service in accordance with the guidelines outlined in 49CFR. By the way, their ‘K’ number is ______.”

Anyone answering “C” has a commendable understanding of at least some of the requirements for compliance with 49CFR guidelines for 4L liquid cylinder repairs.

A beautiful thing about the internet is how easy it makes it to search and find information. Those with “A” or “B” answers might just want to dig a little deeper into the subject before........