... ,Product: Nitrogen 2, Bottle:Fire extinguisher bottles 3,Capacity: 60 sets/h 4,CE, UL, SGS, ISO, fire extinguisher nitrogen filler,fire ... , after the cylinder is filled with dry powder, inactive gas-nitrogen has to be filled for pressurization. When the dry powder ... :585*500*1000mmweught :30Kgvoltage :220Vpower :100Wfilling pressure :1.7MPa Nitrogen gas filling machine for fire extinguisher MDG1.7