Body: Aisi 304 glazed stainless steel. Manual packing for GSV33 and Manual or automatic for
GSV 45 and 53. Automatic lid lifting. Vacuum level indicator: analogical vacuum meter with nonvibrating needle 0 / -1 bar. Decompression chamber with solenoid valve for emptying. Double decompression sealing gasket: above - below. Impurity filter internal suction. Electronic control card with microprocessor, interchangeable with manual removable pressure connector. Air intake for vacuum packing in containers. Guide stop for bag positioning.
Vacuum pump: dry self-lubricating with thermostatic protection. Noise muffler.