Carleton Technologies Inc
Cylinder Safety Bulletins and Updates:

This section contains important information for all users of composite pressure vessels. Please check this page often for updates. The information contained in this document was obtained from sources believed to be reliable and is subject to periodic review. This document should not be confused with federal, state, provincial, or municipal specifications or regulations, insurance requirements, or national safety codes.

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

Composite cylinders are safe, reliable, durable products. But, like any pressurized product, misuse or abuse can end in failure and possible personal injury. Click the link above to see more definition into pressure vessel visual damage.

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

The Department of Transportation has granted Carleton Technologies Inc, Pressure Technology Division (Carleton PTD) an extension to the 3-year hydrostatic retest procedure for all carbon fiber full composite cylinders manufactured to DOT CFFC Exemption DOT-E-11194.

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

The Department of Transportation requires E-11194 carbon fiber CFFC cylinders to be retested every 5 years to ensure safe operation. The law requires Hydrostatic Testing of E-11194 carbon fiber CFFC cylinders be performed by an authorized retester facility every 5 years. Locate the retester facility nearest you.

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

The Department of Transportation requires E-11005 fiberglass FRP cylinders to be retested every 3 years to ensure safe operation. The law requires Hydrostatic Testing of E-11005 fiberglass FRP cylinders be performed by an authorized retester facility every 3 years. Locate the retester facility nearest you.

PAINTBALL Cylinders - Excessive heat due to fast filling can damage a composite pressure vessel!

Rapidly filling a paintball cylinder with a compressor or intensifier results in heating of the gas (air/nitrogen) and the cylinder. If filled too fast, this heat can become excessive resulting in damage to the cylinder. Such damage can lead to failure of the cylinder, potential property damage and personal injury or death.

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!