Can micro-pump and micro-pump be pumped?

Micro-pump or micro-pump in the use of a longer period of time, the degree of vacuum, the flow decreased, or even not a vacuum. It should be the accumulation of dust inside the pump chamber. So someone was pumping a milliliter of fresh water in an attempt to use water to flush the dust inside the pump cavity, the result not. The pump after repair processing, after disassembling all the components to dry, reassembled, everything returned to normal. This shows that micro-pump, micro-pump can not have water into the pump, or the degree of vacuum and flow will be significantly reduced, the appearance of the appearance of suction is very weak, it is often said that the vacuum is not. There are also miniature vacuum pump PCF series, miniature pump FAA series, intelligent vacuum pump ANB series, are not allowed to enter the pump of liquid water, this point in the use of the process, pay special attention.