Water Fire Extinguisher

Dry Powder Extinguisher

Separation -

This is also an upright type of extinguisher. The body contains 9 Ltrs. of tepid water into which 45gms of anti-corrosive substance has been dissolved and a siphon tube through which the water is pushed up. Sodium Bicarbonate can also be added to make the PH alkaline and prevent corrosion, water is expelled by the pressure of a 40 gm Co2 gas cartridge inside the body. It has a wire braided plastic hose with an ABS plastic nozzle screwed onto the opening of the nozzle.

Similarly it is also available in the stored pressure type in which the water is pressurized by Dry Nitrogen gas. A pressure gauge indicate its readiness for use.

Pressure test:

The body and union are tested to 25 kg/cm2
The hose is tested to 25kg/cm2

Method of charging:

1. Remove the cap union
2. Unscrew used CO2 Cartridge
3. Check the body and cartridge for corrosion
4. Check the nozzle, hose and siphon tube for any obstruction by blowing.
5. Pour tepid water into the container body upto the liquid level mark and dissolve the anti-corrosive chemical in it.
6. Check piercer mechanism for free movement in the cap union. Re-engage safety clip onto its position.
7. Check the seal of new gas cartridge and full weight stamped on the hexagonal nut of the neck. Screw it onto the cartridge holder of the cap union.
8. lightly grease the threads of the neck ring and toghten the cap union onto the neck ring.
9. the extinguisher is now ready for use.

Minimax water fire extinguisher, cartridge type. ISI marked to IS:940