... Screwing, Nitrogen Filling for Pressurizing. Ⅰ,Brief Introduction:Fire Extinguisher Automatic Filling and Assembling Line invented by our company adopts ... :1 Production Capacity: 200 cylinder/hour (4KG fire extinguisher)2 Conveying linear Speed:6 m/min3 Filling speed: ... proximity switch, blocker, two lifting and falling equipment, fire extinguisher up clip, gas filling equipment. The pressure gauge and ...