CO2 extinguisher
Definition of CO2 extinguisher
Pronunciation:
sē´ô`tŌ` ĕks`tĭņ´gwĭsh`ẽr
1.
a
device
for
suppressing
fire
,
consisting
of
a
steel
cylinder
containing
compressed
carbon
dioxide
,
which
may
be
released
by
pressing
on
a
handle
.
The
release
of
the
gas
is
usually
accomplished
through
a
hose
attached
to
a
funnel-shaped
vent
which
is
directed
at
the
base
of
the
fire
,
and
when
released
,
part
of
the
carbon
dioxide
is
chilled
sufficiently
to
solidify
into
a
powder
.
The
large
quantity
of
inert
carbon
dioxide
released
on
top
of
a
small
fire
is
usually
sufficient
to
exinguish
the
flame
by
excluding
oxygen
,
and
the
cooling
effect
also
helps
drive
the
temperature
of
the
combustible
material
below
that
required
to
support
compustion
.
It
is
used
in
situations
where
putting
water
on
the
fire
might
cause
undesirable
damage
.
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CO2
-CO2 extinguisher-
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