Piston type vacuum pumps and compressors are being used where oil-free air is crucial. The oil free personality of the pump can be a guaranty of zero-maintenance costs. The pumps can be found in capacities of optimum 6 m3/hr plus they are able to reach vacuum Piston Vacuum Pump 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, plastic, meals and packaging, electronic, chemical and textile industry.