Water CO2 fire extinguisher

Water CO2 fire extinguisher
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Water CO2 fire extinguisher contains only water and carbon dioxide cartridge . Cartridge seals inside the extinguisher . The plunger has a piercing type nail attached to it in such way that it will puncture the sealing disc of CO2 cartridge when pushed down .

There are two type of water CO2 fire extinguisher based on their position :

For operation –

  • Upright type : these provide with a dip pipe attached to outlet point with or without a discharge hose pipe.
  • Invertible type : there are no dip pipe in this type of extinguisher and no discharge pipe is provided.

The capacity of water CO2 extinguisher is 6 litr , 9 litr and 50 litr.

Operation of water CO2 fire extinguisher :

  • First the safety clip open .
  • Remove from the wall .
  • The top handle of extinguisher catch with the left hand .
  • It placed 6 feet away from the fire .
  • Hold the pipe in left hand and press the knob to puncture the CO2 cartridge seal disc .
  • Discharge the carbon dioxide cartridge allows the water inside the extinguisher to come out through the pressure and helps to extinguish the fire .
  • When the extinguisher finish , it will be laid horizontally on the ground .
  • Do not use on electrical equipment fire and oil type fire .

Recharging process :

  • Open the cap .
  • Extinguisher and it’s parts clean .
  • Extinguisher admitted with a certain amount of water .
  • Old or uses carbon dioxide cartridge was changed by using a new CO2 cartridge .
  • And it locked well .
  • The new label for when extinguisher check labeled .

Test :

  • Every three months the CO2 cartridge check it’s weight .
  • However , if the 10% lower than the original weight then it change.
  • Each cartridge weight written on his neck and his expiry date given .
  • Every month the other parts at extinguisher need to be checked .
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Fire Extinguisher type

What is Fire Extinguisher :

Extinguisher is an active fire protection device which is used to control small fire often immergency situatiation . It not intended for use on an out-of-control fire . Fire reaches the roof. It become endangers the user and requires the expertise of a fire brigade.

Fire extinguisher

Type of Extinguisher :

  1. Water CO2 extinguisher.
  2. Foam extinguisher.
  3. Dry chemical extinguisher .
  4. CO2 extinguisher.
  5. Wet chemical extinguisher.

The advantage of acknowledge and uses of Fire Extinguisher :

Water CO2 extinguisher :

Water CO2 extinguisher

Label colour : Bright Red

Fire type : Only class A

Use for –

  • Chemical free materials are paper , cardboard , fabric and textile , wood and coal .

Do not use for –

  • Fire involving electric equipment , kitchen fires , easy set on fire gas and liquid .

Foam extinguisher :

Foam extinguisher

Label colour : Cream

Fire type : class A & B

Use for –

  • Chemical free materials are paper , cardboard , fabric , textile , wood , coal .
  • Easy set on fire liquid.

Do not use for –

  • Kitchen fire , fire involving electrical equipment fire , easy set on fire metals .

Dry chemical powder :

Label colour : Blue

Use for

  • Chemical free materials are paper , cardboard , fabric , textile , wood , coal .
  • Easy set on fire liquid and gas like liquify petroleum gas ( LPG ) and acetylene .
  • Fire involving electrical equipment upto 1000 volt .

Do not use for 

  • Fire involving electrical equipment above 1000 volt.
  • Cooking oil
  • Public place with small area .

CO2 extinguisher :

Label colour : Black

Use for –

  • Electrical fire
  • Easy set on fire liquid.

Do not use for –

  • Combustible materials are documents , stiff paper , cloths , wood , coal
  • Easy set on fire materials .

Wet chemical extinguisher :

Label colour : yellow

Use for :

  • Cooking oil
  • Combustible materials ( meaning :  a substance that can be burned to provide heat or power ) like wood , paper , textile and fabric.

Do not use for –

  • Flammable ( meaning : easy set on fire ) liquid and gas .
  • Electrical equipment fire .
  • Flammable materials.

How to operate fire extinguisher :

Process of fire extinguisher

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