Box type vacuum sealing mahcine is siutable for small size packaging, including vacuumizing and sealing, and not good for 25kg bag, because of heavy mass and big volume, and not convenient to move the bag to the vacuum box.

    Conly company developed the ZKB-1 Big packing vacuum sealing device to simplify the operation, according to the requirement of the plastic manufacturers. The schematic map as you can see, which consists of vortex air pump, pneumatic structure, and plastic sealing machine.

    The work procedure: measuring, filling, packaging, shaping by pressure, and sealed by the machine.

   The advantages of the device is easy to operate, and the disadvantage is that every sealing can be finished by two steps: 1^st step is long sealing mouth except the vacuum space; 2^nd step is putting the vacuum tube out of the bag, and mend-sealing.