... Full Automatic, Few Workers Needed, Dry Powder Filling, Valve Screwing, Nitrogen Filling for Pressurizing. Ⅰ,Brief Introduction:Fire ... fast filling station, precision filling station, vibration station, valve screwing station, overturn station, pressurizing station, water leak ... location of fire extinguisher valve and the air cylinder and motor screw the valve automatically.8Overturn Station This ...