Co2 Fire extinguisher || Why CO2 Fire Extinguisher don't have pressure gauge? Complete Details

Co2 Fire extinguisher मे Pressure Gauge कयो नहीं होता। Co2 Fire extinguisher मे Pressure Gauge कयो नहीं होता। why co2 fire extinguisher don't have pressure gauge The gauge is there to indicate that the original charge of propellant gas (usually compressed air) is still there at the correct pressure. ... CO2 extinguishers have no gauge because they are filled with liquefied CO2. C02 is a gas at room temp until it is compressed to around 730 psi. Why is there no pressure gauge on a CO2 fire extinguisher? #CO2 Fire Extinguisher #Co2 NO Pressure gauge #HSE TRAINER