If the liquid ring vacuum pump is not used for a long time, the liquid in the pump cavity shall be discharged and the pump cavity shall be wiped dry with a dry cloth. If the inside of the pump chamber is not dry, it will rust for a long time. At this time, when we use it, we may not be able to start the vacuum pump. So we need to get rid of the rust.
1. Manual derusting
This kind of measure is the most cost-effective and also insurance. Manual rust removal, we can use the tools we have at hand to remove the rust, we do not need to use other chemical products to remove rust, so we save some costs. Why is it insurance. Because the vacuum pump cavity, if the use of chemical rust remover to remove rust, the pump cavity will be more or less damaged.
2. Derusting with derusting agent
This method is very clean but will damage the pump cavity.
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