CO2 Extinguisher

Question 1

CO2 - USE

Answer 1

Limited A and B
Class E

Question 2

CO2 - CONSTRUCTION

Answer 2

Drawn steel cylinder.
Contains CO2 in a liquid form.
Valve assembly at the top with squeeze handle connected to an internal pick up tube.
Delivery hose with a non conductive horn.
Locking pin.
Safety valve operates at 17.2 MPa

Question 3

CO2 - OPERATION

Answer 3

P - Remove locking pin
A - Aim at base of fire
S - Squeeze handle
S - Sweep

Discharge 15 seconds
Range 1-2 meters

Question 4

CO2 - MAINTENANCE

Answer 4

Virtual inspection at change of shift.
Check pin and pressure.
After use send to zone station for exchange.

Question 5

CO2 - SAFETY

Answer 5

Wear appropriate FFing uniform.
Dont discharge closer than 250mm due to electrocution risk.
Can displace oxygen.