Medela Dominant Flex pump 1 2 3 or 4 or Patient Patient max. ON Vacuum Vacuum Sea Level + 2000 m Vacuum Tolerance +/– 15% – 72 kPa – 540 mmHg + 1000 m – 84 Medela suction pumps operate on the tried and tested piston/cylinder system. The entire unit is designed to be simple and robust in construction. Medela · Compact Suction Pumps. Dominant 50 Service Manual Rev B Nov 2011. Service Manual. 16 Pages. 2DQUHBD ,@MT@K #NLHM@MS / 1%. File Type: PDF. The standard operation for Dominant Flex is at 50 l/min. When you require a faster vacuum The inner construction of Dominant Flex reduces maintenance.Manuals and User Guides for Medela Dominant 50. We have 1 Medela Dominant 50 manual available for free PDF download: Instructions For Use Manual View and Download Medela Dominant 50 instructions for use manual online. Dominant 50 medical equipment pdf manual download. Service manual. 200.6365 (EN). Vacuum Build Up (at 6 seconds). Flow at Various Vacuum Settings. -100. -90. -80. -70. -60. -50. -40.