1. Do not pump gases containing dust or dust particles or gelatinous, watery, liquid, viscous liquids and corrosive substances.
2. Do not pump gases containing too much H2o, explosive gases and gases containing too much oxygen.
3. Do not pump for a long time in case of system leakage and excessive container matching with the vacuum pump unit.
4. Can not be used as a gas pump, compression pump, etc.
Proper and reasonable use will bring great benefits to the mechanical life, and will also bring good results.
