The vacuum pump has a maximum vacuum of -720mmHg and has a high displacement and high vacuum.It is suitable for exhaust of gases including water vapor and suitable for flammable gas and corrosive gas exhaust.There is no pulsation in the continuous exhaust,high mechanical precision,and very good durability.It is low-noise,has less vibration,and has no friction,so there is no failure due to fine powder.Material selection (GC200,GCD450,SSC13,SSC14,SSC16,CD4M,ALLOY20,HASTELLOY-C) is free.