Services - Recharging Fire Extinguisher

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Recharging Fire Extinguisher


RECHARGING -WCO2-9Lit/MF-9Lit.
  • Unscrew the cap / valve for one or two threads and wait for residual gases if any to release out.
  • Pour out the water in a bucket and check for its quality. If it is contaminated then it has to be replaced with fresh water (ph.: 6.5 to 7.5) and additives. First dissolve the additives in 9 liters of water and pour in to the cylinder after filtering; otherwise we can use the same water. In the case of MF-9lit., the premixed foam solution shall be discarded and refilled afresh once in a year.
  • Check the gas cartridge weight. If the weight of the gas cartridge is less than 10% of its punched weight, then it has to be sent for recharging besides using a new cartridge. Otherwise we can use the same cartridge.
  • Check external and internal surfaces of the fire extinguisher for damage of label, paint peel off, corrosion and pitted mark
  • The corrosion and pitted mark shall be removed by emery and paint touching shall be done in those areas. Grease shall be applied on neck ring thread so that it is easy for screwing and unscrewing operation.
  • A drop of oil is to be put on spindle so that the squeeze grip operation will be smooth.
  • If the label is in torn condition, a new label is to be pasted.
  • Valve/cap shall be checked for free functioning.
  • The syphon tube shall be checked for blockages and external defects and it shall be properly cleaned before refilling.
  • Assemble the valve/cap with syphon tube and correct capacity of gas cartridges.
  • Water (ph.: 6.5 to 7.5) shall be mixed with additives thoroughly. The solution shall be filtered and poured inside the container.In the case of MF-9lit, 9liters ofwater is to be poured first and add 540ml. of AFFF foam solution.
  • The cap/valve shall be screwed on to the neck ring to tight besides ensuring the O-ring properly set on the groove of neck ring.
  • The extinguisher is ready for operation now.

FILLING AND INSTALLATION - WCO2-9Lit/MF-9Lit.
  • Inspect the extinguisher for its completeness of supply and check with packing and dispatch documents before installation.
  • Check the extinguisher for any damage in transit and also check the stamp of approval before installation.
  • Unscrew the cap / valve.
  • Take a bucket and fill with fresh water (ph.: 6.5 to 7.5) and additives. First dissolve theadditives in 9 liters of water and pour in to the cylinder after filtering. In the case of MF-9lit, 9liters of water is to be poured first and add 540ml. of AFFF foam solution
  • Check the gas cartridge weight. The CO2 mass of WCO2-9GC is 90gm and MF-9GC is 120gm. If the weight of the gas cartridge is less than 10% of its punched weight, then it has to be sent for recharging besides using another cartridge.
  • Screw syphon tube and gas cartridge in to the valve body.
  • The cap/valve shall be screwed on to the neck ring to tight besides ensuring the O-ring properly set on the groove of neck ring.
  • The extinguisher is ready for operation and install.
  • Fire extinguisher shall be installed in designated locations without obstructions.
  • Maintain a register for data like date of initial charging, next due date of refilling, serial number etc.