Vacuum Packager has a simple working principle. Vacuum chamber close the cover, the vacuum pump is working. Vacuum chamber begins to to draw out vacuum, and the packing bags is vacuum at the same time. Meantime vacuum table indicators increased, reaching rated vacuum (control by the time relay ISJ), and then vacuum pump stops working, and the vacuum stops. The main components can be divided into "Single-room Vacuum Packager, Double-room Vacuum Packager, Out-vellicate Vacuum Packager, Continuous Vacuum Packager. ModelDZ-500Voltage220V/50HZPower:0.75kwPressure:<0.66KPaChamber size:520×520×130mmSealing size:500×15mmExhaustment of pump:20m³/hourGross weight:140kgDimensions(LxWxh):750×680×1100mm