DZ-2SB series double chamber vacuum packaging machine is featured by automatic processing of vacuuming, sealing, printing, cooling in one operation. It has double vacuum chambers. Operator can prepare bags for next vacuum packing in another chamber when one chamber is packing. Therefore it has higher efficiency than single chamber machine. It is widely used in vacuum packing for the food, pharmaceutical, aquatic, chemical and electronic industries. Vacuum packing can prevent the products from oxidization and mildew, as well as corrosion and moisture. So it prolongs the life and freshness of the products over a prolonged storage time.DZQ-2SB series machine fills the bag with some kind of gas, such as nitrogen, after vacuuming the bag. Nitrogen gas helps to have longer freshness time than vacuum state.Specification:modelDZ400-2SB DZQ400-2SBDZ500-2SB DZQ500-2SBDZ600-2SB DZQ600-2SBPower source380V/220V/50Hz380V/220V/50Hz380V/50Hzpower1.5KW2.3KW3.1KWworkroom size500x450X 120mm570x540X 118mm670x540X 118mmsealing length400X 10mm500X 10mm600X 10mmsealing speed1-3pec/min1-4pec/min1-4pec/minweight200kgs250kgs320kgsExternal size1020x750X 950mm1350x850X 980mm1550x850X 1020mm