MANUFACTURING Vacuum pumps, compressors, liquid pumps, measuring pumps, with membranes or pendular pistons for gas and corrosive or hot liquids, also all special versions. Over 15,000 versions from micro-flowrate to 18 m3/hr at P = 12 bars, vacuum = 0.5 mbar abs., for gases, and P = 6 bars and flowrate = 6 L/min. for liquids.