can
be
vehicle-mounted.
The
TAU-2H
is
a
self-contained
unit
with
two
agent
tanks—one
containing 86 gallons of AFFF premixed solution and
the other containing 200 pounds of Halon 1211. The
system permits use of the fire-fighting agents either
separately or simultaneously.
The TAU-2H (fig. 12-12) employs a noncollapsible
dual hose line encased in a fire-resistant cotton jacket.
The hose line is normally mounted on a reel.
The
fire-extinguishing agents are propelled by nitrogen
supplied from two pressurized cylinders, which are
mounted on the framework. The twinned nozzles on
the handline expel the fire-fighting agents. The Halon
nozzle is equipped with a low-reaction discharge tip.
The AFFF nozzle is equipped with a aspirating tip.
Duel pistol grip handles and triggers operate the shutoff
valves. Extinguishment is obtained by applying agents
in a sweeping motion, using the chemical agent Halon
1211 to gain initial extinguishment, followed by
application of AFFF to blanket the combustible liquid
and preclude reignition.
12-12
UPPER
PROPORTIONING
SYSTEM ACCESS
TURRET
MAIN
CONTROL
PANEL
LIFTING/TIEDOWN
PORTABLE
HALON
BOTTLES (3)
HANDLINE HOSE REEL
AFFF TANK FILL
WATER TANK FILL (QUICK FILL)
NURSING CONNECTION
RIGHT SIDE
ENGINE ACCESS DOOR
BATTERIES
FILTER
ACCESS DOOR
TIEDOWNS
REAR ENGINE
ACCESS DOORS
KNEEL
PLATE
DIESEL ENGINE
COMPARTMENT
HYDRAULIC TANK
FILL (2)
EXHAUST
ANf1211
Figure 12-11.—A/S32P-25 shipboard fire-fighting and rescue vehicle—major assemblies and components (right side).
ANf1212
Figure 12-12.—TAU-2H twinned agent unit.
