Several Tips of Vacuum Pump of Freeze Dry Machine
1.When the port sediment is removed, the force is not too strong to prevent damage to the cooling pipe wall; 2.Before opening the vacuum pump and the small butterfly valve, if the whole box is vacuumed, please pay attention to the box door and the valve are closed. If only the back box is vacuumed, pay attention to the front box door opening degree is greater than 90 degrees, and pay attention...
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