10
2. AIR CYLINDER
A 45-minute (66 cubic foot
-
1800 liter) air cylinder will be the standard
issue for the Titan SCBA.
The air cylinder is of composite construction
with an aluminum liner overwrapped by a carbon fiber.
The composite construction offers a significant weight savings compared to older hoop- wrapped de-
signs. Attention to the appropriate handling of composite air
cylinders shall be maintained. Composite
air cylinders will not withstand
the abusive treatment that the aluminum hoop-wrapped air cylinders
could.
When placing an SCBA in service, FULLY OPEN the air cylinder valve.
Partial opening can cause
the loss of breathing air as cylinder pressure
decreases. The air cylinder valve does not incorporate a
locking sleeve. The valve knob is designed not to close under normal operations.
All air cylinders intended for use with the Titan SCBA's have a maximum fill capacity 4500 psi. Air
cylinders less than 4000 psi shall be exchanged for a full
air cylinder.
All 45-minute air cylinders for use in the field have a two inch luminescent band
at the upper end of
the cylinder. Printed three times within the band is the Los
Angeles County's three letter designator,
LAC. The color of the letters indicates the date of manufacture and original hydrostatic test. The
color rotation will repeat every five years as hydrostatic testing on carbon-fiber air cylinders is re-
quired every five years.
Year of Purchase Color First Hydro Second Hydro Third Hydro
2008 Black 2008 2013 2018
2009 Red 2009 2014 2019
2010 Blue 2010 2015 2020
2011 Yellow 2011 2016 2021
2012 Green 2012 2017 2022
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