Carleton Technologies Inc

Federal law requires that E-11005 fiberglass FRP cylinders must be retested every 3 years!

Locate the retester facility nearest you.

HYDROTESTING GENERAL: JULY 14, 1999
Anyone testing a PTD E-11005 fiberglass cylinder must have a copy of the exemption, and have a valid US-DOT retest identification number "RIN".

Technical Bulletin, 11/16/00


Bulletin requires Acrobat Reader 4.0 for viewing.

E-11005 Fiberglass "FRP" cylinders:

  • Are tested every 3 years.
  • Have a maximum service life of 15 years from the month of manufacture.
  • Are tested at 5/3 times the marked service pressure and held at test pressure for a minimum of 30 seconds.
  • Are rejected if the permanent expansion exceeds 5%.
  • May only be retested two times (EQUIPMENT FAILURE CAUSE ONLY) at a maximum of 200 psi over the original test pressure, to avoid damage.
  • Must have the test date marked by the label and epoxy covered.

FRP-1 CYLINDER LABEL INFORMATION



The Departent of Transporatation (DOT) requires all FRP-1 composite cylinders to be tested every 3 years. The test must be performed on or before the last day of the month preceding the month of manufacture.

The example above requires testing on or before the last day of June, 2005.
Cylinder Safety Bulletins and Updates:

What should you do if your composite pressure vessel gets a scratch, ding, dent or other form of impact damage?

Carleton Technologies Inc, has been granted an extension to the 3-year retest requirement for carbon fiber full composite cylinders!

Federal law requires that E-11194 carbon fiber CFFC cylinders manufactured or retested
after July 1, 2001 must be retested every 5 years!

Federal law requires that E-11005 fiberglass FRP cylinders must be retested every 3 years!

Paintball Cylinders - Excessive heat due to fast filling can damage a composite pressure vessel!
SCBA Cylinders - When trans-filling an SCBA cylinder, follow these rules...

When removing valves from composite pressure vessels use extreme care and be sure to protect the composite overwrap from harsh fixtures and tool handling!