... :6-12Kg/minFeature: 1. Automatic control whole procedure: Sucking powder from warehouse or other fire extinguisher, automatic filling, stop and ... electronic scale. When the set-up weight is filled, the machine will stop of itself 3. Quickness: More than 8kg ... the pollution by dust. Using the filler, powder can be smoothly filled into the fire extinguisher. fire extinguisher dry powder filling machine