Page 261 - Introduction to Marine Engineering
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Foam
fire extinguishers—chemical
foam
13.5(a)
Figure
foam
Figure
13.5(b) Foam
fire extinguishers—mechanical
outlet
Jet
vinylchloride) bag
PVC (poly-
in
concentrate
Wet water
Steel container
container
pressure
Carbon dioxide
Inner
container
Pressure charge
Seal ing cap
OP
en
Seal
Nozzle
Piercer
Strike knob
Safety guard
