... Filling Machine 1,Product: Nitrogen 2, Bottle:Fire extinguisher bottles 3,Capacity: 60 sets/h 4,CE, ... UL, SGS, ISO, fire extinguisher nitrogen filler,fire extinguishers filling machineModel MDG nitrogen filler ... nitrogen in the manufacturers of fire fighting equipment. For instance, after the cylinder is filled with dry ... pressure :1.7MPa Nitrogen gas filling machine for fire extinguisher MDG1.7