Piston type vacuum pumps and compressors are being used where oil-free air is crucial. The oil free character of the pump is usually a guaranty of low maintenance costs. The pumps are available in capacities of optimum 6 m3/hr and they are able to 
reach vacuum pressure of 10 mbar(a). Used because a compressor they reach a pressure of approx. 7 bar(g) optimum.
These pumps are getting used for light commercial functions, medical industry, printing and instrument industry, Piston Vacuum Pump china plastic, food and packaging, electronic, chemical substance and textile industry.