Membrane controlled pump MD 1C, 3-stages, 22/25 l/min, final vacuum 2 mbarMembrane controlled pump MD 1C, 3 stages, 22 25 l min, final vacuum 2 mbar For evacuating and conveying gases down to an extremely low end vacuum. Three stage, for a high suction capacity even at low pressures Very quiet and low vibration Long service life Easy diaphragm and valve replacements Specially designed for aggressive gases through the use of chemical resistant fluoroplastics, as well as excellent condensate resistance due to built in gas