Soft vacuum ensures minimum level of oxygen, achieved by repeated vacuuming flushing, up to 9 iteration possible, virtually making the levels of oxygen nil (0.0000000000001%)
Anti Plummet Vacuuming for fine products.
Plummet in vacuum levels cause fine powder to fly. Sevana’s machines uses anti-plummet vacuuming by two vacuum pumps, the second vacuum pump is switched on second stage which can be preset.