Knapsack water mist of man-extinguishing installations carrying water mist man-extinguishing installations, high pressure water mist of man-extinguishing installations high pressure water mist man fire extinguishing device has a compact structure, simple operation, small size, light weight, fire-fighting capability strong and sustainable fire, a distinctive feature of environmental pollution and no harm to the human body, is a superior performance of high-tech fire-fighting equipment. Technical parameters: the weight of the total equipment weight: about 22.2KG gun: about 1.9kg spray fire extinguishers size (L * W * H): approximately 260 * 450 * 780 mm gun size (L * H); 545 * 215 mm theoretical volume: 9.0 liter high-pressure cylinders working pressure: 2 l / 30MPa design working pressure: 0.75MPa extinguishing agent injection range: 15 ~ 18m (direct-bit), 5 to 7m (60-degree spray) the consumption rate of fire extinguishing agent 0.4-0.45 liters / s using time :20-23 seconds