Bubble Top Blowing Machine has hydraulic mould clamping system to enhance power efficiency and saves air consumption and has mechanical lock with mould compensation system. The Machine has auto-controlled air ventilation in heating chamber for good heat penetration and has two hand operations to prevent accidents. The Machine comes designed with ELCB in main supply for protection against electric shock and individual MCB for all heaters. The Bubble Top Blowing Machine has nominal output of 60 BPH, clamping force of 30 ton, maximum bottle capacity of 25 litres, maximum bottle height of 500 mm, neck diameter ranging from 46 mm to 100 mm.