Chemically resistant, oil-free diaphragm pump with integrated speed control for adjusting the pump speed to your specific process requirements. It features a gas ballast, PPS heads, PTFE-coated diaphragms and FFPM valves.\n\nFlow Rate (max.): 21 l/min\nUltimate Vacuum (max.): 2 mbar (abs.)\nClean, 100% oil-free operation\nHigh suction speed, particularly in the low vacuum range\nAdjustable speed control\nExceptionally quiet \n\nDIAPHRAGM VACUUM PUMP\nN 920 G