Freeze Dryer Vacuum Pump

Reasons and solutions for oil leakage and oil injection of the vacuum pump of freeze dryer

cause:

(1) The sealing ring of the rotating shaft, oil window, oil drain hole, etc. is damaged or improperly assembled.

(2) The air inlet pressure is too high.

(3) The amount of oil is too much, resulting in fuel injection.

(4) The oil retaining net under the exhaust cover is installed reversely, causing fuel injection.

Method of exclusion:

(1) Replace the sealing ring or reassemble it.

(2) Try to reduce the oil intake.

(3) release part of the oil.

(4) Reassembly.