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