Bag sealers (plastic bag sealing machines) are widely used in the food industry and in trade enterprises (stores, supermarkets, etc.). The main purpose of such devices - sealing of polymer films bags of different types and thicknesses in order produce hermetically sealed packages. Sealing Machines divide into floor, table and manual bag sealers. By the method of heating of the film, they are divided into constant heat sealers and impulse. Width of seams formed during the process of sealing differs depending on the model of manual bad sealer and the time spent on making a seam is about a second. Hand sealing machines are more optimal for small amounts of work. Some of the sealing machines are additionally equipped with knives, designed to remove excess of the sealed bag to allows you to make the appearance more attractive.