middle sealing machine (also called back sealing machine) is one of the automatic bag-making equipments for soft packing laminated bag,which is used for automatic hto-press sealing of center joint of t-shaped bag and angle bag.this machine adopts stepless speed change and silicon controlled constant temperature with firm and reliable sealing.
Main techmical parameters of bag making machine:

Width of middle sealing	250mm
Speed of middle sealing	40m/min
Electrothermal temperatrure	80-180°C
Power	220V
Power of electrothermal	4.1kw
Overall dimensions	2900X950X1180mm
Weight	390kg