L-type semi-automatic sealing machine STA-1622A / STA-2028A / STA-3040A / STA-4048AP STA-1622AP / STA-2028AP / STA-3040AP Features: 1, using Teflon sealing knife aluminum high temperature anti-stick coating knife, when no mucosal sealing and cutting, sealing firm, not coke, not smoke, zero pollution ensure that the work environment. Compensation device to prevent overheating effectively extend the life of equipment; pinch protection function prevents false hand cut packaging and ensure operator safety. 2, double solenoid pull the sealing frame, increasing the sealing pressure to ensure a solid seal, no cracking. 3, sealing time and delivery time is adjustable, easy to operate. 4, fast loading design and smooth membrane punching device. 5, the electrical components are used well-known brand, to ensure the stability and accuracy of the device. 6, lockable casters equipment designed to facilitate movement and positioning. 7, P-type machine for start-type sealing machine. Sealing action by the entire cylinder control, and has manual and automatic operation mode, reducing the work intensity and improve work efficiency.