... seafood, meat, poultry, bun. iqf spiral freezer, freezing equipment, double spiral freezer features.1) Capacity: 500kg/h - ... can use single drum or double drum;5) Spiral freezer is wildly used in all ... speed, air temperature inside the quick freezer and the displaying evaporating temperature;18) Different ... ) Design with electrical heat fuse, the door can be opened easily when production begins ...