It is an off-line ventilated electromagnetic induction aluminum foil sealing machine. It is used for sealing compound film of plastic, aluminum foil and paper. This kind of machine has characteristics of small size, portable induction head, on-site operation and good mobility. Features: 1) Sealing diameter: Φ25 - Φ60 2) Production capacity: 30 - 40 bottles/min 3) Power supply: AC 220V±10% 4) Max. heating current: 8A 5) Output working frequency: 75KHz 6) Max. output power: 500VA