1. the use of three-phase centrifugal motor can run for a long time without stopping
2. the equipment filter cleaning method adopts manual backblow cleaning method, convenient and fast.
3. filter material can choose high efficiency filter core filter and star polyester fiber needle material
4. equipped with pressure relief device, in the case of high negative pressure can automatically relieve pressure
5. the collection bucket adopts large capacity pre-separation design, large suction lasting.
6. a variety of accessories to choose D40/D50/D60 caliber full set of accessories
7. equipped with vacuum pressure gauge and noise reduction device
8. overload, overcurrent, phase loss, leakage protection
9. equipped with phase switch, electricity is safer and faster