KLS series oil-free screw vacuum pump is an advanced dry vacuum pump. Because the screw vacuum pump does not need oil lubrication or water sealing, the pump chamber is completely oil, so compared with the traditional water ring vacuum pump, rotary vacuum pump, sliding valve vacuum pump, reciprocating vacuum pump and water injection vacuum pump has incomparable advantages, energy saving and emission reduction, and low carbon environmental protection, is a new trend in the development of vacuum industry. Suitable for packaging, paper making, CNC, plastic, glass, leather, foam, printing and dyeing, PVC pipeline, bottle making, wood processing and meat products packaging and other applications.