DM-350 is an automatic MAP TRAY SEALER. It uses vacuum pump to suck the air out completely form the vacuum chamber,then fill the protective gas mix,which is suitable for keeping food fresh. With the same pressure outside and inside of the vacuum chamber it starts sealing.Modified Atmosphere highly exchanged.Meanwhile, WITT mixer assures the atmosphere strictly mixed. Supply chain efficiencies: Put the filled tray into the mould and turn the start button on,the mould moves into the vacuum chamber, vacuum suction, gas flushed, sealing, film cutting, the mould moves out automatically. (Tray goes upward after the mould moves out, the speed of upward can be adjusted.)

Auto MAP tray sealer DL-500A adopts vacuum replacing way for fresh packaging with gas filling, It use vacuum pump to suck the air out from the tray, then fill mixed air which can extend the food fresh life.The sealing work is finished when inside and outside air pressure is the same. The oxygen level is very low in the tray under this kind packing way soas to solve the disadvantage of traditional washing compensation packing way is widely used for meat,fowl, fish,vegetable,fruit and other fresh food,cooked meat,bread and co on. The MAP packing can keep the taste, color,shape,nutrition of food well and extend the fresh life. Buyers can also select DL-500B(single air) and DL-500C(MAP) according to their actual requirements.